S
M
T
W
T
F
S
30
89°
64°
31
69°
59°
1
84°
53°
2
88°
55°
3
87°
55°
4
89°
61°
5
88°
57°
6
91°
55°
7
85°
64°
8
92°
60°
9
93°
56°
10
90°
50°
11
92°
57°
12
93°
58°
13
90°
62°
14
85°
59°
15
81°
56°
16
82°
59°
17
90°
58°
18
84°
57°
19
86°
56°
20
84°
55°
21
85°
54°
22
82°
52°
23
82°
53°
24
81°
45°
25
74°
41°
26
75°
50°
27
78°
50°
28
74°
49°
29
73°
44°
30
74°
44°
1
76°
44°
2
78°
45°
3
79°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Spencerville
Spencerville's September 2026 forecast shows daily high temperatures ranging from 73° to 93°, with overnight lows between 41° and 62°. The average high for September is 82° with an average low of 52°. 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.
