S
M
T
W
T
F
S
30
75°
56°
31
80°
58°
1
81°
58°
2
81°
57°
3
80°
51°
4
79°
49°
5
73°
50°
6
73°
56°
7
75°
56°
8
79°
55°
9
78°
56°
10
74°
55°
11
78°
54°
12
78°
55°
13
77°
55°
14
76°
54°
15
78°
55°
16
78°
49°
17
76°
54°
18
75°
49°
19
75°
47°
20
70°
45°
21
67°
43°
22
67°
51°
23
68°
48°
24
71°
44°
25
66°
43°
26
66°
42°
27
68°
46°
28
72°
49°
29
71°
47°
30
71°
45°
1
65°
48°
2
65°
40°
3
66°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Union Vale
Union Vale's September 2026 forecast shows daily high temperatures ranging from 65° to 81°, with overnight lows between 40° and 58°. The average high for September is 73° 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 Union Vale. See also: October | November | December.
