S
M
T
W
T
F
S
30
78°
59°
31
76°
62°
1
77°
63°
2
74°
62°
3
77°
60°
4
74°
58°
5
73°
58°
6
73°
57°
7
74°
57°
8
72°
58°
9
72°
60°
10
73°
59°
11
72°
57°
12
73°
55°
13
71°
55°
14
71°
54°
15
70°
53°
16
70°
52°
17
71°
57°
18
72°
59°
19
71°
53°
20
70°
52°
21
68°
54°
22
69°
55°
23
71°
52°
24
67°
56°
25
68°
52°
26
69°
54°
27
66°
48°
28
68°
48°
29
66°
47°
30
65°
47°
1
66°
50°
2
66°
47°
3
68°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sapporo-shi
Sapporo-shi's September 2026 forecast shows daily high temperatures ranging from 65° to 78°, with overnight lows between 47° and 63°. The average high for September is 71° with an average low of 55°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Sapporo-shi. See also: October | November | December.
