Weather in Brazil in September

Planning a trip to Brazil in September? In this guide, you will find all the information you need about the weather in Brazil in September. Find out about expected temperatures, rainfall, and humidity so you can prepare for your trip. We will help you navigate the early spring climate in Brazil and ensure a well-prepared and unforgettable experience.

Discover Brazil in September

September in Brazil presents a distinctive blend of advantages and considerations for travelers. The weather during this month marks the transition from the remnants of winter to the emergence of spring, providing pleasant temperatures ideal for exploring Brazil's dynamic landscapes and lively urban centers.

Benefits of visiting Brazil in September

Visiting Brazil in September has several advantages. As spring arrives, the country experiences milder temperatures, ideal for outdoor adventures and sightseeing. There are still few tourists this month compared to the peak season, creating a quieter and more secluded environment for exploring Brazil's iconic sights and hidden gems. 

Nature is in full bloom at this time, with bright spring flowers and lush greenery accentuating the natural beauty of the urban and rural landscapes. September is also a great time for wildlife enthusiasts, as many species become more active and visible in the milder climate. The unique combination of the pleasant weather in Brazil in September, fewer tourists, and natural beauty makes this month the perfect time to explore Brazil.

Downsides of visiting Brazil in September

Despite its many advantages, visiting Brazil in September also comes with its own challenges. The transition from winter to spring can bring unpredictable weather, occasional rain, and fluctuating temperatures. This will require that you adapt plans and clothing. 

Although overall tourist numbers are down, popular destinations may see a slight uptick as people are attracted to the pleasant early spring climate. Finally, during this quiet tourist period, some attractions and accommodation facilities may close for maintenance or repairs, which may affect travel itineraries.

Haven't picked the right time for your Brazil trip yet? Explore our detailed guide to the best time to visit Brazil and gain the insights that will help you decide.

Brazil, Rio de Janeiro, Escadaria Selaron, Lapa

Brazil, Rio de Janeiro, Escadaria Selaron, Lapa © Shutterstock

Weather in Brazil in September

September in Brazil sees a change in weather from the cooler winter months to the warmer spring season. For those planning a trip during this time, it is important to know the regional climatic differences. Northern regions are expected to experience wetter weather, while the southern parts of Brazil are beginning to warm up after the winter chill. Understanding the varied weather in Brazil in September is key to a well-prepared trip.

Temperatures and humidity in North, Central and Southern Brazil

The weather in Brazil in September is varied across its vast territory. In the northern regions, including the Amazon rainforest, the climate remains warm and humid. Daytime temperatures in these areas often fluctuate between 26 and 33°C (79-91°F). The high humidity, especially in the dense rainforests, can make the air seem even warmer.

Moving into central Brazil, areas such as Brasilia welcome the spring season with milder temperatures. Here, average temperatures range from 20 to 30°C (68 to 86°F). The moderate humidity in these regions provides comfortable conditions ideal for exploring the city as well as for outdoor excursions.

The southern part of Brazil shows a noticeable warming trend with the onset of September. Temperatures in these southern areas typically range from 15 to 25°C (59 to 77°F). In this part of Brazil, humidity levels are lower than in the tropical north, marking a pleasant transition to spring weather.

Temperatures around Rio de Janeiro

In Rio, September brings pleasant weather with temperatures usually between 20°C to 28°C (68°F to 82°F). Humidity is moderate, making it ideal for beach activities and city exploration.

When planning a trip to Rio de Janeiro, check out our list of Rio's essential sights and experiences to help you get the most out of this vibrant city.

Church of Santa Rita de Cassia in central Rio de Janeiro, Brazil © Leonid Andronov/Shutterstock

Church of Santa Rita de Cassia in central Rio de Janeiro, Brazil © Leonid Andronov/Shutterstock

Temperatures around São Paulo

The weather in São Paulo is similar to Rio, with temperatures ranging from 17°C to 27°C (63°F-81°F). The climate is generally pleasant, with humidity lower than in coastal areas.

If São Paulo is on your Brazil itinerary, explore our guide to the best places to stay in São Paulo and find accommodation options that work for you.

Temperatures in Amazon Rainforest

The Amazon maintains a warm and humid tropical climate. Daytime temperatures stay between 26-33°C (79-91°F), and high humidity intensifies the heat.

Temperatures at Iguaçu Falls

Expect spring-like conditions at Iguaçu Falls, with temperatures between 15°C and 25°C (59°F and 77°F). The weather is usually mild, enhancing the experience of visiting the falls.

Temperatures in Pantanal

September marks the end of the dry season in Pantanal. Temperatures are warm, usually 25°C to 35°C (77°F to 95°F), with humidity increasing as the rainy season approaches.

For a better understanding of Pantanal's particular characteristics, read our guide to visiting Brazil's Pantanal.

capybara-pantanal-brazil-shutterstock_1062368618

Capybaras in Pantanal, Brazil © Shutterstock

What about crowds and costs in September

September in Brazil is a laid-back time with fewer tourists, maintaining the calmer atmosphere of previous months. Tourist destinations are still less crowded, ensuring a more relaxed vacation. Reduced demand often results in economical travel: accommodations and activities are offered on a budget. 

Although some attractions may be undergoing maintenance, the overall travel experience benefits from the relaxed atmosphere and potential savings, making September an attractive time for those looking for a more intimate and budget-friendly Brazilian adventure.

Looking for a budget travel destination? Check out our list of the 20 cheapest places to travel around the world.

Is it hot in Brazil in September?

Yes, Brazil is generally warm in September, especially in the northern and central regions, with temperatures ranging from 26°C to 33°C (79°F to 91°F) in the north and 20°C to 30°C (68°F to 86°F) in central areas. Southern Brazil experiences milder temperatures ranging from 15°C to 25°C (59°F to 77°F). While not extremely hot, the weather is generally comfortable, making it an inviting time to explore the country.

amazon-brazil-shutterstock_107522567

Amazon, Brazil © Shutterstock

Best places to see in September

The weather in Brazil in September allows you to explore many exciting destinations:

  • Lençóis Maranhenses National Park, Maranhão: Witness otherworldly landscapes of vast sand dunes and crystal-clear lagoons in this natural wonder.
  • Chapada dos Veadeiros, Goiás: Experience the lush beauty of the cerrado biome, featuring waterfalls, canyons, and unique rock formations.
  • Bonito, Mato Grosso do Sul: Dive into crystal-clear rivers and explore vibrant underwater ecosystems in this ecotourism hotspot.
  • Paraty, Rio de Janeiro: Wander through cobblestone streets surrounded by colonial architecture and enjoy boat trips to nearby islands.
  • Gramado, Rio Grande do Sul: Embrace the charm of this European-inspired town, known for its gardens, chocolate shops, and cultural events.
Paraty, Brazil © LucVi/Shutterstock

Paraty, Brazil © LucVi/Shutterstock

Best things to do in September

There are many exciting things to do in Brazil, but we suggest you check out the most interesting ones to do in September.

  • Wildlife watching in the Pantanal: Go on safari through the world's largest tropical swamp, ideal for spotting jaguars, capybaras and a multitude of bird species.
  • Whale watching in Santa Catarina: Witness the majestic migration of humpback and southern right whales along the coast.
  • Hiking in Chapada Diamantina, Bahia: Trek through this stunning national park, with its breathtaking waterfalls, caves, and plateaus.
  • Coffee plantation tours in Minas Gerais: Explore the scenic coffee-growing regions and learn about Brazil's rich coffee-making traditions.
  • Snorkeling in Fernando de Noronha: Dive into crystal-clear waters to explore vibrant coral reefs and marine life in this archipelago.
  • Kite surfing in Cumbuco, Ceará: Take advantage of the windy season by kite surfing on the stunning beaches of Cumbuco.
Fernando de Noronha Island - Baia do Sancho © dronepicr/Flickr under CC BY 2.0 license

Fernando de Noronha Island - Baia do Sancho © dronepicr/Flickr under CC BY 2.0 license

Events and festivals in September

September in Brazil is a vibrant time with various events and festivals that reflect the country's rich cultural world. Here are some notable events and festivals of September:

  • Independence Day (Dia da Independência), September 7: Parades, concerts, and patriotic events across the country mark Brazil's Independence Day. Celebrations are especially colorful in major cities such as Brasilia, Rio de Janeiro, and São Paulo.
  • Rock in Rio, Rio de Janeiro: Although this world-famous music festival is not an annual event and is schedule-dependent, it is often held in September and brings together international and Brazilian artists for an unforgettable experience.
  • Fenachamp in Garibaldi, Rio Grande do Sul: This festival dedicated to Brazilian sparkling wine offers wine tastings, gourmet food, and live music in the heart of wine country.

Thinking of visiting Brazil? You'll find inspiration in our customizable Brazil itineraries, or contact our local experts to kick-start your perfect trip.

Olga Sitnitsa

written by
Olga Sitnitsa

updated 13.02.2024

Online editor at Rough Guides, specialising in travel content. Passionate about creating compelling stories and inspiring others to explore the world.

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