Mongar Weather in September
What's the weather like in Mongar (Mongar) in September 2025?
The climate in Mongar during September can be summarized as warm and very wet.
September is in the fall / autumn in Mongar and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 16°C (60°F) is normal.
| Daytime temperature | 23.9°C 75°F |
|---|---|
| Nightly temperature | 15.5°C 59.9°F |
| Average temperature | 19.7°C 67.5°F |
| Daily sunshine | 5.7 hrs |
| Avg rainfall | 298 mm 11.7 ins |
| Rainy days | 11 days |
| Sea temperature | 25.7°C 78.2°F |
| Humidity | 81% |
| Windspeed | 4kph 2 mph |
On average September is the 5th wettest month of the year in Mongar with around 298mm 11.7 inches of rain making it a very wet time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.7 hours of sunshine per day.
September temperatures in Mongar
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 Mongar in September 2025.
Other monthly averages
Best places to visit in September
Mongar weather stats
| Hottest month: | July | 24.5°C 76.1°F |
|---|---|---|
| Driest month: | December | 8mm 0.3ins |
| Sunniest month: | December | 8.3hrs |
| Coldest month: | January | 14.3°C 57.7°F |
| Wettest month: | July | 596mm 23.5ins |
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