Wakkanai Weather in September

The climate in Wakkanai during September can be summarized as mild and wet.

September is in the fall / autumn in Wakkanai and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 20°C (67°F), whilst at night 13°C (56°F) is normal.

On average September is the wettest month of the year in Wakkanai with around 133mm 5.2 inches of rain making it a 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 6.4 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 Wakkanai in September 2024.