Weather in Sapporo in September
September in Sapporo is mild with average temperatures around 16.2°C (61.2°F). Expect significant rainfall with 137mm across approximately 15 days.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
20.3°C
68.5°F
Low
12.2°C
54.0°F
Precipitation
137 mm
5.4 inches
~15 rainy days
Conditions
Humidity
85%
Comparison to Adjacent Months
September is 4.0°C cooler than August, 23mm drier than August.
September is 6.7°C warmer than October.