S
M
T
W
T
F
S
30
79°
63°
31
75°
59°
1
75°
57°
2
73°
54°
3
73°
55°
4
81°
63°
5
72°
55°
6
70°
53°
7
76°
61°
8
82°
58°
9
69°
52°
10
68°
49°
11
71°
53°
12
68°
52°
13
65°
48°
14
65°
50°
15
66°
53°
16
68°
53°
17
64°
52°
18
66°
51°
19
66°
52°
20
69°
51°
21
67°
52°
22
67°
52°
23
70°
51°
24
71°
52°
25
70°
49°
26
69°
46°
27
64°
44°
28
62°
43°
29
63°
43°
30
63°
50°
1
62°
49°
2
64°
45°
3
65°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Spergau
Spergau's September 2026 forecast shows daily high temperatures ranging from 62° to 82°, with overnight lows between 43° and 61°. The average high for September is 68° with an average low of 50°. 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 Spergau. See also: October | November | December.