The climate in Matsuzaka during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Matsuzaka and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (81°F), whilst at night 20°C (68°F) is normal.
| Daytime temperature | 27.2°C 81°F |
|---|---|
| Nightly temperature | 20°C 68°F |
| Average temperature | 23.6°C 74.5°F |
| Daily sunshine | 5 hrs |
| Avg rainfall | 293 mm 11.5 ins |
| Rainy days | 18 days |
| Sea temperature | 26.7°C 80°F |
| Humidity | 78% |
| Windspeed | 9kph 6 mph |
On average September is the wettest month of the year in Matsuzaka with around 293mm 11.5 inches of rain making it a very 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 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 Matsuzaka in September 2025.
Best places to visit in September
| Hottest month: | August | 30.7°C 87.3°F |
|---|---|---|
| Driest month: | December | 46mm 1.8ins |
| Sunniest month: | December | 5.8hrs |
| Coldest month: | January | 9°C 48.2°F |
| Wettest month: | September | 293mm 11.5ins |