The climate in Acre during September can be summarized as hot and very dry.
September is in the fall / autumn in Acre and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a warm 30°C (86°F), whilst at night 22°C (71°F) is normal.
Daytime temperature | 30.1°C 86.1°F |
---|---|
Nightly temperature | 21.6°C 70.8°F |
Average temperature | 25.8°C 78.4°F |
Daily sunshine | 10.6 hrs |
Avg rainfall | 1 mm 0.1 ins |
Rainy days | 0 days |
Sea temperature | 27.7°C 81.9°F |
Humidity | 65% |
Windspeed | 8.3kph 5 mph |
On average September is the 4th driest month of the year in Acre with around 1mm 0.1 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 10.6 hours of sunshine per day.
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 Acre in September 2025.
Best places to visit in September
Hottest month: | August | 31.1°C 88°F |
---|---|---|
Driest month: | July | 0mm 0ins |
Sunniest month: | July | 12.7hrs |
Coldest month: | January | 16.2°C 61.2°F |
Wettest month: | January | 152mm 6ins |