Koshigaya Weather in September
What's the weather like in Koshigaya (Saitama) in September 2024?
The climate in Koshigaya during September can be summarized as warm, humid and wet.
September is in the fall / autumn in Koshigaya and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 26°C (80°F), whilst at night 19°C (67°F) is normal.
| Daytime temperature | 26.4°C 79.5°F |
|---|---|
| Nightly temperature | 19.2°C 66.6°F |
| Average temperature | 22.8°C 73°F |
| Daily sunshine | 4.1 hrs |
| Avg rainfall | 179 mm 7 ins |
| Rainy days | 19 days |
| Sea temperature | 25.3°C 77.6°F |
| Humidity | 78% |
| Windspeed | 8.6kph 5 mph |
On average September is the wettest month of the year in Koshigaya with around 179mm 7 inches of rain making it a 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 4.1 hours of sunshine per day.
September temperatures in Koshigaya
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 Koshigaya in September 2024.
Other monthly averages
Best places to visit in September
Koshigaya weather stats
| Hottest month: | August | 30.7°C 87.3°F |
|---|---|---|
| Driest month: | January | 37mm 1.5ins |
| Sunniest month: | January | 6.6hrs |
| Coldest month: | January | 9.2°C 48.6°F |
| Wettest month: | September | 179mm 7ins |
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