S
M
T
W
T
F
S
30
78°
58°
31
79°
60°
1
81°
60°
2
79°
59°
3
80°
57°
4
78°
50°
5
77°
51°
6
77°
51°
7
79°
52°
8
84°
55°
9
83°
57°
10
83°
50°
11
76°
48°
12
76°
52°
13
77°
49°
14
76°
48°
15
73°
48°
16
72°
49°
17
73°
48°
18
74°
49°
19
78°
47°
20
73°
52°
21
78°
49°
22
76°
53°
23
79°
52°
24
79°
53°
25
78°
53°
26
77°
52°
27
77°
52°
28
79°
51°
29
79°
49°
30
76°
50°
1
77°
52°
2
78°
47°
3
78°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in West Union
West Union's September 2026 forecast shows daily high temperatures ranging from 72° to 84°, with overnight lows between 41° and 60°. The average high for September is 78° with an average low of 52°. 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 West Union. See also: October | November | December.
