Measurements:
°C
°F
CURRENT WEATHER
05:33
Sapporo
58°F
SE 5 mph
Feels like: 56°F
Precip: 50%
World Resorts Japan Sapporo Weather

7 Day Weather Forecast

09.09
wed
DAY
62°F
SE 9 mph
precip
19%
NIGHT
48°F
E 5 mph
precip
8%
09.10
thu
DAY
70°F
SW 4 mph
precip
1%
NIGHT
54°F
NE 4 mph
precip
21%
09.11
fri
DAY
70°F
N 2 mph
precip
11%
NIGHT
54°F
NE 4 mph
precip
19%
09.12
sat
DAY
76°F
SW 3 mph
precip
1%
NIGHT
58°F
NE 5 mph
precip
19%
09.13
sun
DAY
76°F
N 9 mph
precip
11%
NIGHT
64°F
N 5 mph
precip
42%
09.14
mon
DAY
76°F
S 2 mph
precip
36%
NIGHT
56°F
SE 4 mph
precip
21%
09.15
tue
DAY
64°F
S 4 mph
precip
13%
NIGHT
56°F
E 2 mph
precip
21%

Sapporo Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Sapporo was 22.9°F. The maximum and minimum values were 20.6°F and 24.3°F respectively.

Sapporo on the Weather Map

Best Time to Visit Sapporo
The most sunny months:
May 11 days
September 11 days
June 10 days
The most warm months:
August 80.4 °F
July 79.9 °F
September 72.4 °F
Warmest sea temperature:
August 76.4 °F
September 73.6 °F
July 70.2 °F
The most cold months:
January 22.8 °F
February 25.1 °F
December 27.2 °F
The most rainy months:
August 8 days
July 7 days
September 6 days
The most windy months:
December 8 mph
April 8 mph
February 7 mph
more details