Nirasaki Weather in September
What's the weather like in Nirasaki (Yamanashi) in September 2025?
The climate in Nirasaki during September can be summarized as warm and wet.
September is in the fall / autumn in Nirasaki and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 15°C (59°F) is normal.
| Daytime temperature | 24°C 75.2°F |
|---|---|
| Nightly temperature | 15°C 59°F |
| Average temperature | 19.5°C 67.1°F |
| Daily sunshine | 4.4 hrs |
| Avg rainfall | 182 mm 7.2 ins |
| Rainy days | 18 days |
| Sea temperature | 25.8°C 78.4°F |
| Humidity | 81% |
| Windspeed | 6.8kph 4 mph |
On average September is the 2nd wettest month of the year in Nirasaki with around 182mm 7.2 inches of rain making it a wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.4 hours of sunshine per day.
September temperatures in Nirasaki
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 Nirasaki in September 2025.
Other monthly averages
Best places to visit in September
Nirasaki weather stats
| Hottest month: | August | 28.5°C 83.3°F |
|---|---|---|
| Driest month: | December | 25mm 1ins |
| Sunniest month: | January | 6.6hrs |
| Coldest month: | January | 4.7°C 40.5°F |
| Wettest month: | June | 187mm 7.4ins |
© Google
Locations nearby
Top Japan locations
- Fukuoka
- Hakodate
- Hakone
- Hiroshima
- Kagoshima
- Kamakura
- Kanazawa
- Kōbe
- Kyoto
- Nagoya
- Naha
- Nara
- Nikkō
- Ōsaka
- Sapporo
- Sendai
- Takayama
- Tokyo
- Yokohama