Belém
September
Weather in Belém for September 2026
Your guide to Belém weather in September - trends and predictions
In general, the average temperature in Belém at the beginning of September is 33.7 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 34 °C by the end of September.
With an average of 2 rainy days, Belém experiences minimal rainfall in September.
Temperatures
Rain 🌧️
28
Dry days
2
Rainy days
0
Snow days
35°/23°
Temperatures
21 km/h
Avg max wind
72 %
Avg humidity
Belém Weather September
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Temperatures trend during September in Belém
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September weather in Belém day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Mist | 34° /22° | 0.1 mm | 9 | |
| 2 Sept. |  Sunny | 33° /23° | 0.3 mm | 9 | |
| 3 Sept. | Sunny | 33° /22° | 0.7 mm | 9 | |
| 4 Sept. | Mist | 34° /23° | 0.1 mm | 8 | |
| 5 Sept. | Mist | 34° /22° | 0.1 mm | 9 | |
| 6 Sept. | Mist | 34° /22° | 0.1 mm | 9 | |
| 7 Sept. | Mist | 34° /22° | 0.2 mm | 9 | |
| 8 Sept. |  Patchy rain possible | 34° /22° | 0.2 mm | 9 | |
| 9 Sept. | Mist | 34° /22° | 0.2 mm | 9 | |
| 10 Sept. |  Cloudy | 34° /23° | 0 mm | 9 | |
| 11 Sept. |  Thundery outbreaks possible | 34° /22° | 0 mm | 9 | |
| 12 Sept. | Thundery outbreaks possible | 34° /22° | 0.1 mm | 9 | |
| 13 Sept. | Thundery outbreaks possible | 34° /22° | 0.6 mm | 9 | |
| 14 Sept. | Mist | 34° /22° | 0.1 mm | 9 | |
| 15 Sept. |  Partly cloudy | 34° /22° | 0.3 mm | 9 | |
| 16 Sept. | Partly cloudy | 34° /22° | 0.3 mm | 9 | |
| 17 Sept. | Thundery outbreaks possible | 34° /23° | 0.1 mm | 9 | |
| 18 Sept. |  Overcast | 35° /23° | 0 mm | 9 | |
| 19 Sept. | Cloudy | 34° /22° | 0.1 mm | 9 | |
| 20 Sept. | Mist | 34° /22° | 0.2 mm | 9 | |
| 21 Sept. | Cloudy | 34° /23° | 0 mm | 8 | |
| 22 Sept. | Cloudy | 34° /23° | 0 mm | 9 | |
| 23 Sept. | Patchy rain possible | 34° /22° | 0 mm | 8 | |
| 24 Sept. | Thundery outbreaks possible | 34° /22° | 0.1 mm | 8 | |
| 25 Sept. | Partly cloudy | 33° /22° | 0 mm | 9 | |
| 26 Sept. | Patchy rain possible | 34° /23° | 0.4 mm | 8 | |
| 27 Sept. | Patchy rain possible | 34° /23° | 0.7 mm | 8 | |
| 28 Sept. | Mist | 34° /22° | 0 mm | 8 | |
| 29 Sept. | Patchy rain possible | 35° /22° | 0.2 mm | 9 | |
| 30 Sept. |  Patchy light drizzle | 34° /22° | 0.9 mm | 8 | |
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Important Notice
Our weather forecast for Belém in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Belém forecast closer to your planned date for the most up-to-date weather information.
Change Month
Belém in September - FAQ
What are the expected maximum and minimum temperatures in Belém during September?
With daytime temperatures soaring above 35° and not dropping much below 23° at night, September in Belém is quite hot. Staying hydrated and avoiding peak sun hours is advisable.
How much rainfall should be expected in Belém during September?
Rainfall in Belém during September is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 2 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Belém during September?
The average wind speed in Belém during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
UV exposure in Belém during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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