Belén Weather in September
What's the weather like in Belén (Rivas) in September 2025?
The climate in Belén during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Belén and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 22°C (72°F) is normal.
| Daytime temperature | 30.1°C 86.2°F |
|---|---|
| Nightly temperature | 22.1°C 71.8°F |
| Average temperature | 26.1°C 79°F |
| Daily sunshine | 6.4 hrs |
| Avg rainfall | 270 mm 10.6 ins |
| Rainy days | 24 days |
| Sea temperature | 28.9°C 83.9°F |
| Humidity | 81% |
| Windspeed | 6.8kph 4 mph |
On average September is the 2nd wettest month of the year in Belén with around 270mm 10.6 inches of rain making it a very wet time to visit. This rainfall is typically spread over 24 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.4 hours of sunshine per day.
September temperatures in Belén
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 Belén in September 2025.
Other monthly averages
Best places to visit in September
Belén weather stats
| Hottest month: | May | 31.9°C 89.4°F |
|---|---|---|
| Driest month: | March | 3mm 0.1ins |
| Sunniest month: | February | 9.3hrs |
| Coldest month: | December | 29.8°C 85.6°F |
| Wettest month: | October | 297mm 11.7ins |
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