Imaichi Weather in September
What's the weather like in Imaichi (Tochigi) in September 2025?
The climate in Imaichi during September can be summarized as warm, humid and very wet.
September is in the fall / autumn in Imaichi and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 24°C (76°F), whilst at night 16°C (61°F) is normal.
| Daytime temperature | 24.2°C 75.5°F |
|---|---|
| Nightly temperature | 16.1°C 60.9°F |
| Average temperature | 20.1°C 68.2°F |
| Daily sunshine | 4 hrs |
| Avg rainfall | 211 mm 8.3 ins |
| Rainy days | 21 days |
| Sea temperature | 25°C 77°F |
| Humidity | 81% |
| Windspeed | 6.8kph 4 mph |
On average September is the 2nd wettest month of the year in Imaichi with around 211mm 8.3 inches of rain making it a very wet time to visit. This rainfall is typically spread over 21 days, although this may vary considerably.
On the flip side this corresponds to an average of 4 hours of sunshine per day.
September temperatures in Imaichi
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 Imaichi in September 2025.
Other monthly averages
Best places to visit in September
Imaichi weather stats
| Hottest month: | August | 28.7°C 83.7°F |
|---|---|---|
| Driest month: | January | 38mm 1.5ins |
| Sunniest month: | January | 6.2hrs |
| Coldest month: | January | 5.1°C 41.2°F |
| Wettest month: | August | 214mm 8.4ins |
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