S
M
T
W
T
F
S
30
87°
59°
31
82°
57°
1
79°
62°
2
81°
59°
3
79°
56°
4
79°
56°
5
80°
60°
6
81°
61°
7
84°
60°
8
82°
58°
9
78°
60°
10
84°
53°
11
77°
52°
12
76°
52°
13
76°
53°
14
79°
58°
15
83°
59°
16
82°
59°
17
82°
58°
18
81°
53°
19
77°
48°
20
73°
49°
21
72°
52°
22
74°
55°
23
78°
55°
24
79°
56°
25
80°
50°
26
79°
46°
27
73°
47°
28
70°
46°
29
69°
46°
30
69°
45°
1
Hist. Avg.
73°
48°
2
Hist. Avg.
73°
47°
3
Hist. Avg.
72°
47°
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 69° to 87°, with overnight lows between 45° and 62°. The average high for September is 78° with an average low of 54°. 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.
