União dos Palmares Weather in September
What's the weather like in União dos Palmares (Alagoas) in September 2025?
The climate in União dos Palmares during September can be summarized as warm, humid and a little damp.
September is in the spring in União dos Palmares and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a muggy 26°C (80°F), whilst at night 18°C (64°F) is normal.
| Daytime temperature | 26.4°C 79.5°F |
|---|---|
| Nightly temperature | 18°C 64.4°F |
| Average temperature | 22.2°C 72°F |
| Daily sunshine | 7 hrs |
| Avg rainfall | 87 mm 3.4 ins |
| Rainy days | 21 days |
| Sea temperature | 26.1°C 79°F |
| Humidity | 78% |
| Windspeed | 12.2kph 8 mph |
On average September is the 6th driest month of the year in União dos Palmares with around 87mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 21 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
September temperatures in União dos Palmares
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in União dos Palmares in September 2025.
Other monthly averages
Best places to visit in September
União dos Palmares weather stats
| Hottest month: | December | 29.8°C 85.6°F |
|---|---|---|
| Driest month: | November | 26mm 1ins |
| Sunniest month: | November | 8.8hrs |
| Coldest month: | July | 24.5°C 76.1°F |
| Wettest month: | July | 236mm 9.3ins |
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