Weather in Brazil for September 2025
In general, the average temperature in Brazil at the beginning of September is 30 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 32.6 °C by the end of September.
Brazil sees moderate rainfall in September, averaging 6 rainy days.
Is September a good time to visit Brazil? check out the best time to travel to Brazil page.
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Brazil in September average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  31° | 2  31° | 3  33° | 4 35° | 5 29° | 6  21° | 7  30° |
| 8 32° | 9 33° | 10 32° | 11 33° | 12 34° | 13 35° | 14 31° |
| 15 21° | 16 25° | 17 26° | 18 29° | 19 31° | 20 34° | 21 32° |
| 22 35° | 23 35° | 24 37° | 25 36° | 26 38° | 27 37° | 28 20° |
| 29 28° | 30 32° |
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Temperatures trend during September in Brazil
September weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Sunny | 31° /17° | 0 mm | 8 | |
| 2 Sept. | Partly cloudy | 31° /18° | 0 mm | 9 | |
| 3 Sept. | Patchy rain possible | 33° /18° | 1.5 mm | 8 | |
| 4 Sept. | Sunny | 35° /20° | 0.1 mm | 9 | |
| 5 Sept. | Light rain shower | 29° /16° | 0.8 mm | 8 | |
| 6 Sept. | Overcast | 21° /16° | 0.4 mm | 5 | |
| 7 Sept. | Cloudy | 30° /16° | 0.1 mm | 8 | |
| 8 Sept. | Sunny | 32° /19° | 0 mm | 9 | |
| 9 Sept. | Sunny | 33° /20° | 0 mm | 9 | |
| 10 Sept. | Cloudy | 32° /19° | 0 mm | 8 | |
| 11 Sept. | Sunny | 33° /19° | 0 mm | 9 | |
| 12 Sept. | Sunny | 34° /20° | 0 mm | 9 | |
| 13 Sept. | Sunny | 35° /21° | 0 mm | 9 | |
| 14 Sept. | Partly cloudy | 31° /18° | 0 mm | 9 | |
| 15 Sept. | Overcast | 21° /16° | 0.4 mm | 6 | |
| 16 Sept. | Partly cloudy | 25° /15° | 0.5 mm | 7 | |
| 17 Sept. | Sunny | 26° /18° | 0.6 mm | 7 | |
| 18 Sept. | Sunny | 29° /18° | 0.7 mm | 8 | |
| 19 Sept. | Partly cloudy | 31° /19° | 0.2 mm | 8 | |
| 20 Sept. | Sunny | 34° /19° | 0.1 mm | 9 | |
| 21 Sept. | Sunny | 32° /19° | 0.1 mm | 8 | |
| 22 Sept. | Sunny | 35° /20° | 0 mm | 9 | |
| 23 Sept. | Sunny | 35° /21° | 0 mm | 10 | |
| 24 Sept. | Sunny | 37° /22° | 0 mm | 10 | |
| 25 Sept. | Sunny | 36° /21° | 0 mm | 9 | |
| 26 Sept. | Partly cloudy | 38° /21° | 0 mm | 10 | |
| 27 Sept. | Patchy rain possible | 37° /17° | 0.9 mm | 9 | |
| 28 Sept. | Patchy rain possible | 20° /15° | 0.5 mm | 5 | |
| 29 Sept. | Patchy rain possible | 28° /16° | 0.1 mm | 7 | |
| 30 Sept. | Patchy rain possible | 32° /16° | 1.3 mm | 8 | |
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Guide for Brazil in September
In September, Brazil experiences a transition from winter to spring, resulting in varied weather conditions across the country. At the beginning of the month, the southern regions, including cities like Sao Paulo and Rio de Janeiro, typically have mild temperatures ranging from 15° to 25°.
These areas may also experience occasional rainfall, contributing to the lush greenery and vibrant flora that Brazil is known for.
Moving towards the end of September, the northern regions, such as Manaus and the Amazon rainforest, tend to have warmer and more humid weather, with temperatures averaging around 25° to 35°.
These areas may also experience brief, intense rain showers, which are essential for the diverse ecosystems and wildlife found in the Amazon region.
Overall, September in Brazil offers a diverse range of weather conditions, making it an exciting time to visit and explore the country's natural beauty. Whether you prefer the milder climate of the south or the tropical warmth of the north, Brazil has something to offer for every type of traveler.
Brazil in September - FAQ
What to pack to Brazil in September?
As you prepare for your trip to Brazil in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Brazil, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Sandals/Flip-flops: Comfortable for warm climates
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
Quick links
Where is Brazil?Get accurate weather forecasts for Brazil, located at latitude -23.548 and longitude -46.636. Stay updated with localized weather information tailored for Brazil.