Shizukuishi Weather in September
What's the weather like in Shizukuishi (Iwate) in September 2025?
The climate in Shizukuishi during September can be summarized as mild and wet.
September is in the fall / autumn in Shizukuishi and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 21°C (69°F), whilst at night 12°C (53°F) is normal.
| Daytime temperature | 20.7°C 69.3°F |
|---|---|
| Nightly temperature | 11.9°C 53.4°F |
| Average temperature | 16.3°C 61.3°F |
| Daily sunshine | 5 hrs |
| Avg rainfall | 173 mm 6.8 ins |
| Rainy days | 20 days |
| Sea temperature | 22.9°C 73.2°F |
| Humidity | 79% |
| Windspeed | 9.4kph 6 mph |
On average September is the 3rd wettest month of the year in Shizukuishi with around 173mm 6.8 inches of rain making it a wet time to visit. This rainfall is typically spread over 20 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 Shizukuishi
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 Shizukuishi in September 2025.
Other monthly averages
Best places to visit in September
Shizukuishi weather stats
| Hottest month: | August | 25.4°C 77.7°F |
|---|---|---|
| Driest month: | February | 67mm 2.6ins |
| Sunniest month: | April | 6.6hrs |
| Coldest month: | January | -1.4°C 29.5°F |
| Wettest month: | August | 195mm 7.7ins |
© Google
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