World Resorts Japan Sapporo Weather

Sapporo weather in September

Weather in Sapporo: September

Average day temperature: 69.9°F
Average night temperature: 56.4°F
Sea water temperature: 71.2°F
Number of sunny days: 11 days
Day length: 11.8 - 13.2 hours
Number of rainy days: 6 days
Precipitation totals: 4.2 in.

Air temperature in September, °F

Show year:
2026
2025
2024

The highest day temperature during September of 2026 was 73°F. At the same time the lowest night temperature was 45°F. Daily and nightly averages during September were 65.4°F and 54.7°F.

Sea water temperature in Sapporo in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 71.1°F. The highest and lowest sea temperatures during the month were 74.8°F and 69.6°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in September is almost equal.

Precipitation total in September, in.

Precipitation total value in Sapporo in September is 3.3 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 6.0 mph It makes September one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 6.7.

Best time for vacation in Sapporo

Sunniest months:
May 11 days
September 11 days
June 10 days
Warmest months:
August 77.3 °F
July 76.9 °F
September 69.9 °F
Warmest sea temp:
August 73.7 °F
September 71.2 °F
July 68.2 °F
Coldest months:
January 25.5 °F
February 27.6 °F
December 29.5 °F
Rainiest months:
August 8 days
July 7 days
September 6 days
Windiest months:
December 8.4 mph
April 8.2 mph
February 8.0 mph

Sapporo on a weather map

Sapporo
+64°F
S 2 mph
Feels like: +64°F
Precip.: 6%
Places in Japan:
Name
°F
+70°F
+70°F
+72°F
+73°F
+73°F
+75°F
+73°F
+73°F
+81°F
+73°F
+64°F
+72°F
+75°F
+72°F
+73°F
24 Hours Forecast
Sapporo
Local time: 08:03
October 11, sunday
0900
64°F
S
2 mph
1200
70°F
S
4 mph
1500
66°F
S
5 mph
1800
57°F
SE
4 mph
2100
54°F
SE
4 mph
October 12, monday
0000
48°F
SE
4 mph
0300
54°F
S
4 mph
0600
46°F
SE
3 mph
Units of measurement: °C / °F