Vilhena Weather in September
What's the weather like in Vilhena (Rondônia) in September 2025?
The climate in Vilhena during September can be summarized as hot, humid and a little damp.
September is in the spring in Vilhena and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (90°F), whilst at night 18°C (65°F) is normal.
| Daytime temperature | 32°C 89.6°F |
|---|---|
| Nightly temperature | 18.2°C 64.8°F |
| Average temperature | 25.1°C 77.2°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 83 mm 3.3 ins |
| Rainy days | 6 days |
| Sea temperature | 21.1°C 70°F |
| Humidity | 72% |
| Windspeed | 10.1kph 6 mph |
On average September is the 5th driest month of the year in Vilhena with around 83mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
September temperatures in Vilhena
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 Vilhena in September 2025.
Other monthly averages
Best places to visit in September
Vilhena weather stats
| Hottest month: | October | 32.4°C 90.3°F |
|---|---|---|
| Driest month: | July | 10mm 0.4ins |
| Sunniest month: | July | 8.4hrs |
| Coldest month: | June | 29°C 84.2°F |
| Wettest month: | December | 316mm 12.4ins |
© Google