Hiroshima Weather in September
What's the weather like in Hiroshima (Hiroshima) in September 2024?
The climate in Hiroshima during September can be summarized as warm, humid and wet.
September is in the fall / autumn in Hiroshima and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 19°C (66°F) is normal.
| Daytime temperature | 26.8°C 80.2°F |
|---|---|
| Nightly temperature | 19°C 66.2°F |
| Average temperature | 22.9°C 73.2°F |
| Daily sunshine | 5.6 hrs |
| Avg rainfall | 186 mm 7.3 ins |
| Rainy days | 16 days |
| Sea temperature | 25.9°C 78.6°F |
| Humidity | 76% |
| Windspeed | 8.3kph 5 mph |
On average September is the 3rd wettest month of the year in Hiroshima with around 186mm 7.3 inches of rain making it a wet time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.6 hours of sunshine per day.
September temperatures in Hiroshima
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 Hiroshima in September 2024.
Other monthly averages
Best places to visit in September
Hiroshima weather stats
| Hottest month: | August | 30.6°C 87.1°F |
|---|---|---|
| Driest month: | December | 47mm 1.9ins |
| Sunniest month: | August | 7.2hrs |
| Coldest month: | January | 7.8°C 46°F |
| Wettest month: | June | 267mm 10.5ins |
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