Belém Weather in September

Belém in September averages 33°C (91°F) during the day and 24°C (75°F) at night. This is the driest month of the year.

Rainfall in Belém in September

The risk of rain is at its lowest this month, making it a reliable choice for outdoor plans. Historically, September sees about 22 days of rain, with a monthly average of 32 mm (1.3 in). This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.

Temperature in Belém in September

September in Belém brings typical temperatures with highs around 33°C (91°F) and lows of 24°C (75°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. With overnight lows of 24°C (75°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.

Sunshine in Belém in September

Expect a lot of sunshine this month, with about 239 hours of sun. These sunny conditions add to the overall experience.

Average water temperature in September

The water temperature is 28°C (82°F), which most people find very comfortable. A good month for swimming and water sports.

For Belém itself, July generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit Brazil, check out our Belém's climate page.

Belém Temperature in September

Min Temperature 24°C (75°F)  

Max Temperature 33°C (91°F)  

Water Temperature 28°C (82°F)  

Chance of Rain 73%  

Precipitation 32 mm (1.3 in)  

Rainy days 22 days  

Humidity 81%  

Sunshine 239 hours  

Percentage Sunshine  

What to Wear in Belém in September

Pack for serious heat in Belém in September. Prioritize clothing that breathes and doesn't cling or stick. Lightweight cotton, linen, and moisture-wicking fabrics are ideal. A wide hat provides welcome shade. Light rain is possible, so consider bringing a small umbrella or rain jacket. The water temperature sits at about 28°C (82°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Belém in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

10/10

Outdoor sports

8/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Brazil, check out our Belém's climate page.

More climate data for Belém

Temperature Rainfall Sunshine Humidity Water Temp

See the full Belém climate overview or explore weather in Brazil.