S
M
T
W
T
F
S
30
79°
64°
31
90°
66°
1
86°
59°
2
88°
68°
3
86°
68°
4
88°
72°
5
86°
70°
6
86°
70°
7
81°
63°
8
76°
58°
9
75°
48°
10
76°
57°
11
79°
53°
12
72°
50°
13
66°
49°
14
66°
47°
15
65°
46°
16
69°
51°
17
68°
52°
18
67°
48°
19
64°
47°
20
68°
46°
21
65°
51°
22
68°
52°
23
70°
52°
24
72°
51°
25
68°
51°
26
68°
50°
27
70°
52°
28
69°
52°
29
67°
50°
30
66°
49°
1
58°
43°
2
56°
40°
3
55°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Spooner
Spooner's September 2026 forecast shows daily high temperatures ranging from 55° to 81°, with overnight lows between 37° and 63°. The average high for September is 68° with an average low of 50°. 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 Spooner. See also: October | November | December.
