Nanao Weather in September
What's the weather like in Nanao (Ishikawa) in September 2025?
The climate in Nanao during September can be summarized as warm, humid and very wet.
September is in the fall / autumn in Nanao and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 26°C (78°F), whilst at night 18°C (64°F) is normal.
| Daytime temperature | 25.6°C 78.1°F |
|---|---|
| Nightly temperature | 17.8°C 64°F |
| Average temperature | 21.7°C 71.1°F |
| Daily sunshine | 5 hrs |
| Avg rainfall | 247 mm 9.7 ins |
| Rainy days | 19 days |
| Sea temperature | 24.3°C 75.8°F |
| Humidity | 79% |
| Windspeed | 9.7kph 6 mph |
On average September is the 3rd wettest month of the year in Nanao with around 247mm 9.7 inches of rain making it a very wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 5 hours of sunshine per day.
September temperatures in Nanao
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 Nanao in September 2025.
Other monthly averages
Best places to visit in September
Nanao weather stats
| Hottest month: | August | 29.8°C 85.6°F |
|---|---|---|
| Driest month: | May | 127mm 5ins |
| Sunniest month: | August | 7hrs |
| Coldest month: | February | 5.4°C 41.7°F |
| Wettest month: | December | 281mm 11.1ins |
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