S
M
T
W
T
F
S
30
80°
63°
31
87°
67°
1
90°
62°
2
85°
62°
3
76°
68°
4
87°
68°
5
77°
62°
6
79°
60°
7
78°
57°
8
76°
61°
9
81°
54°
10
74°
48°
11
80°
61°
12
75°
46°
13
62°
45°
14
62°
54°
15
65°
47°
16
67°
51°
17
68°
46°
18
63°
49°
19
64°
43°
20
63°
43°
21
64°
47°
22
63°
45°
23
66°
44°
24
70°
51°
25
67°
51°
26
70°
51°
27
69°
50°
28
69°
50°
29
65°
49°
30
66°
47°
1
60°
46°
2
59°
44°
3
64°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Unity
Unity's September 2026 forecast shows daily high temperatures ranging from 59° to 80°, with overnight lows between 43° and 61°. The average high for September is 66° with an average low of 48°. 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 Unity. See also: October | November | December.
