S
M
T
W
T
F
S
30
91°
71°
31
93°
66°
1
94°
71°
2
97°
68°
3
99°
68°
4
99°
68°
5
93°
68°
6
93°
68°
7
84°
66°
8
86°
64°
9
84°
66°
10
84°
68°
11
79°
64°
12
82°
60°
13
85°
60°
14
84°
61°
15
81°
59°
16
80°
58°
17
82°
60°
18
79°
58°
19
77°
57°
20
78°
53°
21
83°
58°
22
80°
58°
23
81°
57°
24
81°
59°
25
80°
58°
26
81°
58°
27
81°
57°
28
80°
58°
29
81°
58°
30
80°
57°
1
80°
56°
2
76°
50°
3
69°
45°
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 86°, with overnight lows between 45° and 68°. The average high for September is 81° with an average low of 59°. 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.
