S
M
T
W
T
F
S
30
76°
62°
31
73°
60°
1
73°
55°
2
75°
51°
3
75°
54°
4
85°
63°
5
73°
57°
6
74°
48°
7
80°
60°
8
86°
59°
9
65°
46°
10
66°
44°
11
69°
51°
12
67°
49°
13
61°
47°
14
64°
48°
15
65°
50°
16
65°
51°
17
64°
49°
18
63°
50°
19
60°
51°
20
64°
49°
21
65°
51°
22
65°
49°
23
67°
50°
24
68°
48°
25
68°
50°
26
67°
45°
27
61°
42°
28
61°
41°
29
62°
41°
30
64°
49°
1
60°
44°
2
57°
42°
3
64°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Spalt
Spalt's September 2026 forecast shows daily high temperatures ranging from 57° to 86°, with overnight lows between 41° and 60°. The average high for September is 66° with an average low of 48°. 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 Spalt. See also: October | November | December.