Ariquemes Weather in September
What's the weather like in Ariquemes (Rondônia) in September 2025?
The climate in Ariquemes during September can be summarized as hot, humid and a little damp.
September is in the spring in Ariquemes and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 33°C (92°F), whilst at night 21°C (70°F) is normal.
| Daytime temperature | 33.3°C 91.9°F |
|---|---|
| Nightly temperature | 21°C 69.7°F |
| Average temperature | 27.1°C 80.8°F |
| Daily sunshine | 5.6 hrs |
| Avg rainfall | 95 mm 3.7 ins |
| Rainy days | 8 days |
| Sea temperature | 21.8°C 71.2°F |
| Humidity | 81% |
| Windspeed | 8.3kph 5 mph |
On average September is the 4th driest month of the year in Ariquemes with around 95mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.6 hours of sunshine per day.
September temperatures in Ariquemes
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 Ariquemes in September 2025.
Other monthly averages
Best places to visit in September
Ariquemes weather stats
| Hottest month: | October | 32.7°C 90.9°F |
|---|---|---|
| Driest month: | July | 17mm 0.7ins |
| Sunniest month: | July | 7.7hrs |
| Coldest month: | June | 30.2°C 86.4°F |
| Wettest month: | December | 306mm 12ins |
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