S
M
T
W
T
F
S
30
92°
65°
31
95°
71°
1
99°
72°
2
97°
73°
3
99°
73°
4
99°
74°
5
95°
74°
6
84°
69°
7
83°
61°
8
90°
62°
9
91°
72°
10
79°
71°
11
82°
66°
12
85°
70°
13
84°
63°
14
80°
58°
15
N/A
16
92°
71°
17
92°
69°
18
86°
67°
19
90°
69°
20
85°
65°
21
82°
62°
22
80°
61°
23
79°
59°
24
77°
54°
25
76°
56°
26
77°
55°
27
77°
57°
28
79°
49°
29
78°
55°
30
79°
56°
1
77°
55°
2
78°
54°
3
77°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Spencer
Spencer's September 2026 forecast shows daily high temperatures ranging from 76° to 92°, with overnight lows between 49° and 71°. 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.
