The temperatures in Sapporo in September are usually low and can range between 13°C and 20°C.
You can expect about 3 to 8 days of rain in Sapporo during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Sapporo in September 2025.
If you’re planning to visit Sapporo in the near future, we highly recommend that you review the 14 day weather forecast for Sapporo before you arrive.
Temperatures
20° / 13°
Rainy Days
7
Snowy Days
0
Dry Days
23
Rainfall
199
mm
Sun Hours
10.0
Hrs
