S
M
T
W
T
F
S
30
59°
42°
31
69°
44°
1
75°
49°
2
73°
47°
3
66°
46°
4
61°
39°
5
57°
40°
6
64°
43°
7
64°
40°
8
62°
38°
9
60°
41°
10
66°
40°
11
62°
42°
12
59°
39°
13
59°
40°
14
57°
37°
15
62°
43°
16
59°
43°
17
59°
42°
18
56°
39°
19
54°
37°
20
54°
34°
21
55°
32°
22
56°
34°
23
55°
34°
24
63°
36°
25
66°
40°
26
65°
43°
27
62°
41°
28
54°
38°
29
54°
35°
30
52°
35°
1
52°
36°
2
55°
36°
3
52°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sunalta
Sunalta's September 2026 forecast shows daily high temperatures ranging from 52° to 75°, with overnight lows between 32° and 49°. The average high for September is 60° with an average low of 39°. 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 Sunalta. See also: October | November | December.
