S
M
T
W
T
F
S
30
76°
51°
31
74°
49°
1
71°
57°
2
71°
49°
3
73°
46°
4
70°
56°
5
71°
58°
6
77°
55°
7
78°
51°
8
76°
47°
9
69°
50°
10
70°
53°
11
70°
51°
12
67°
54°
13
74°
53°
14
67°
44°
15
66°
42°
16
Hist. Avg.
72°
50°
17
Hist. Avg.
72°
50°
18
Hist. Avg.
71°
50°
19
Hist. Avg.
71°
49°
20
Hist. Avg.
70°
49°
21
Hist. Avg.
70°
48°
22
Hist. Avg.
70°
48°
23
Hist. Avg.
69°
48°
24
Hist. Avg.
69°
47°
25
Hist. Avg.
68°
47°
26
Hist. Avg.
68°
46°
27
Hist. Avg.
68°
46°
28
Hist. Avg.
67°
45°
29
Hist. Avg.
67°
45°
30
Hist. Avg.
66°
44°
1
Hist. Avg.
66°
44°
2
Hist. Avg.
65°
44°
3
Hist. Avg.
65°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Spring Valley Township
Spring Valley Township's September 2026 forecast shows daily high temperatures ranging from 66° to 78°, with overnight lows between 42° and 58°. The average high for September is 72° with an average low of 51°. 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 Spring Valley Township. See also: October | November | December.
