S
M
T
W
T
F
S
30
77°
62°
31
79°
62°
1
83°
60°
2
80°
54°
3
77°
61°
4
83°
62°
5
83°
62°
6
82°
60°
7
82°
60°
8
81°
59°
9
82°
60°
10
79°
59°
11
76°
56°
12
78°
50°
13
74°
53°
14
81°
49°
15
79°
45°
16
70°
44°
17
69°
45°
18
68°
42°
19
69°
46°
20
68°
51°
21
67°
47°
22
69°
49°
23
75°
50°
24
77°
47°
25
76°
45°
26
76°
51°
27
75°
41°
28
65°
51°
29
72°
47°
30
70°
50°
1
75°
37°
2
72°
35°
3
58°
38°
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 58° to 83°, with overnight lows between 35° and 62°. The average high for September is 75° with an average low of 51°. 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.
