The climate in Suzuka during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Suzuka and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (81°F), whilst at night 19°C (67°F) is normal.
Daytime temperature | 27.1°C 80.8°F |
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Nightly temperature | 19.3°C 66.7°F |
Average temperature | 23.2°C 73.8°F |
Daily sunshine | 5 hrs |
Avg rainfall | 235 mm 9.3 ins |
Rainy days | 17 days |
Sea temperature | 26.7°C 80°F |
Humidity | 77% |
Windspeed | 8.6kph 5 mph |
On average September is the 3rd wettest month of the year in Suzuka with around 235mm 9.3 inches of rain making it a very wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 5 hours of sunshine per day.
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 Suzuka in September 2025.
Best places to visit in September
Hottest month: | August | 30.7°C 87.3°F |
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Driest month: | December | 41mm 1.6ins |
Sunniest month: | December | 5.5hrs |
Coldest month: | January | 8.4°C 47.1°F |
Wettest month: | June | 256mm 10.1ins |