The climate in Nāhan during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Nāhan and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 21°C (69°F) is normal.
Daytime temperature | 30.1°C 86.2°F |
---|---|
Nightly temperature | 20.5°C 68.9°F |
Average temperature | 25.3°C 77.5°F |
Daily sunshine | 8.1 hrs |
Avg rainfall | 206 mm 8.1 ins |
Rainy days | 6 days |
Sea temperature | 23.9°C 75°F |
Humidity | 71% |
Windspeed | 6.8kph 4 mph |
On average September is the 3rd wettest month of the year in Nāhan with around 206mm 8.1 inches of rain making it a very wet 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 8.1 hours of sunshine per day.
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 Nāhan in September 2025.
Best places to visit in September
Hottest month: | June | 34.6°C 94.3°F |
---|---|---|
Driest month: | November | 14mm 0.6ins |
Sunniest month: | October | 9.2hrs |
Coldest month: | January | 17.3°C 63.1°F |
Wettest month: | July | 464mm 18.3ins |