S
M
T
W
T
F
S
30
82°
63°
31
83°
63°
1
85°
62°
2
80°
58°
3
78°
58°
4
80°
59°
5
83°
59°
6
84°
62°
7
85°
63°
8
85°
63°
9
86°
62°
10
85°
61°
11
84°
61°
12
85°
63°
13
85°
63°
14
81°
52°
15
72°
54°
16
74°
55°
17
77°
56°
18
72°
52°
19
73°
47°
20
72°
49°
21
78°
52°
22
80°
56°
23
80°
47°
24
71°
47°
25
71°
51°
26
76°
55°
27
77°
55°
28
78°
47°
29
69°
45°
30
68°
45°
1
68°
47°
2
76°
48°
3
76°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Alum Creek
Alum Creek's September 2026 forecast shows daily high temperatures ranging from 68° to 86°, with overnight lows between 45° and 63°. The average high for September is 78° with an average low of 55°. 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 Alum Creek. See also: October | November | December.