Diang Weather in September
What's the weather like in Diang (Littoral Province) in September 2025?
The climate in Diang during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Diang and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a steamy 29°C (84°F), whilst at night 22°C (72°F) is normal.
| Daytime temperature | 28.9°C 84°F |
|---|---|
| Nightly temperature | 22.3°C 72.1°F |
| Average temperature | 25.6°C 78.1°F |
| Daily sunshine | 3.5 hrs |
| Avg rainfall | 485 mm 19.1 ins |
| Rainy days | 26 days |
| Sea temperature | 26.6°C 79.9°F |
| Humidity | 84% |
| Windspeed | 4.7kph 3 mph |
On average September is the wettest month of the year in Diang with around 485mm 19.1 inches of rain making it a very wet time to visit. This rainfall is typically spread over 26 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.5 hours of sunshine per day.
September temperatures in Diang
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 Diang in September 2025.
Other monthly averages
Best places to visit in September
Diang weather stats
| Hottest month: | February | 32.7°C 90.9°F |
|---|---|---|
| Driest month: | December | 23mm 0.9ins |
| Sunniest month: | February | 6.9hrs |
| Coldest month: | August | 27.4°C 81.3°F |
| Wettest month: | September | 485mm 19.1ins |
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