S
M
T
W
T
F
S
30
69°
44°
31
70°
45°
1
70°
42°
2
69°
43°
3
66°
46°
4
67°
41°
5
69°
42°
6
70°
45°
7
66°
40°
8
67°
45°
9
67°
45°
10
69°
38°
11
68°
42°
12
69°
44°
13
70°
44°
14
Hist. Avg.
73°
40°
15
Hist. Avg.
73°
40°
16
Hist. Avg.
73°
39°
17
Hist. Avg.
72°
39°
18
Hist. Avg.
72°
38°
19
Hist. Avg.
72°
38°
20
Hist. Avg.
71°
38°
21
Hist. Avg.
71°
37°
22
Hist. Avg.
70°
37°
23
Hist. Avg.
70°
36°
24
Hist. Avg.
70°
36°
25
Hist. Avg.
69°
36°
26
Hist. Avg.
69°
35°
27
Hist. Avg.
69°
35°
28
Hist. Avg.
68°
34°
29
Hist. Avg.
68°
34°
30
Hist. Avg.
67°
34°
1
Hist. Avg.
67°
33°
2
Hist. Avg.
67°
33°
3
Hist. Avg.
66°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Whitehorn
Whitehorn's September 2026 forecast shows daily high temperatures ranging from 66° to 70°, with overnight lows between 38° and 46°. The average high for September is 68° with an average low of 43°. 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 Whitehorn. See also: October | November | December.
