Shimonoseki Weather in September
What's the weather like in Shimonoseki (Yamaguchi) in September 2024?
The climate in Shimonoseki during September can be summarized as hot, humid and wet.
September is in the fall / autumn in Shimonoseki and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (81°F), whilst at night 21°C (69°F) is normal.
| Daytime temperature | 27.2°C 80.9°F |
|---|---|
| Nightly temperature | 20.5°C 68.8°F |
| Average temperature | 23.8°C 74.8°F |
| Daily sunshine | 5.6 hrs |
| Avg rainfall | 182 mm 7.2 ins |
| Rainy days | 18 days |
| Sea temperature | 26.4°C 79.5°F |
| Humidity | 78% |
| Windspeed | 9kph 6 mph |
On average September is the 3rd wettest month of the year in Shimonoseki 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 5.6 hours of sunshine per day.
September temperatures in Shimonoseki
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 Shimonoseki in September 2024.
Other monthly averages
Best places to visit in September
Shimonoseki weather stats
| Hottest month: | August | 30.6°C 87.1°F |
|---|---|---|
| Driest month: | December | 58mm 2.3ins |
| Sunniest month: | August | 7hrs |
| Coldest month: | January | 8.7°C 47.7°F |
| Wettest month: | June | 282mm 11.1ins |
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