S
M
T
W
T
F
S
30
80°
63°
31
87°
67°
1
90°
62°
2
85°
62°
3
76°
68°
4
87°
68°
5
77°
62°
6
79°
60°
7
78°
61°
8
71°
64°
9
79°
50°
10
74°
51°
11
77°
57°
12
72°
50°
13
67°
49°
14
64°
47°
15
65°
46°
16
67°
49°
17
68°
49°
18
66°
45°
19
63°
46°
20
67°
45°
21
64°
49°
22
67°
50°
23
70°
51°
24
70°
51°
25
71°
50°
26
68°
50°
27
69°
51°
28
70°
51°
29
67°
50°
30
68°
50°
1
66°
44°
2
56°
41°
3
56°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Spencer
Spencer's September 2026 forecast shows daily high temperatures ranging from 56° to 79°, with overnight lows between 36° and 64°. The average high for September is 68° with an average low of 49°. 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 Spencer. See also: October | November | December.
