S
M
T
W
T
F
S
30
88°
68°
31
87°
62°
1
83°
61°
2
81°
62°
3
82°
62°
4
82°
63°
5
83°
62°
6
79°
61°
7
79°
60°
8
80°
64°
9
80°
60°
10
78°
60°
11
79°
61°
12
80°
59°
13
79°
60°
14
78°
60°
15
77°
61°
16
77°
59°
17
78°
58°
18
76°
58°
19
79°
57°
20
Hist. Avg.
79°
58°
21
Hist. Avg.
78°
58°
22
Hist. Avg.
78°
58°
23
Hist. Avg.
78°
57°
24
Hist. Avg.
77°
57°
25
Hist. Avg.
77°
56°
26
Hist. Avg.
76°
56°
27
Hist. Avg.
76°
55°
28
Hist. Avg.
76°
55°
29
Hist. Avg.
75°
54°
30
Hist. Avg.
75°
54°
1
Hist. Avg.
74°
54°
2
Hist. Avg.
74°
53°
3
Hist. Avg.
74°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Spencerville
Spencerville's September 2026 forecast shows daily high temperatures ranging from 76° to 88°, with overnight lows between 57° and 68°. The average high for September is 80° with an average low of 61°. 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 Spencerville. See also: October | November | December.
