S
M
T
W
T
F
S
31
81°
49°
1
80°
47°
2
70°
49°
3
80°
48°
4
64°
42°
5
71°
35°
6
78°
40°
7
80°
44°
8
78°
48°
9
81°
45°
10
76°
49°
11
80°
44°
12
80°
48°
13
79°
49°
14
78°
46°
15
71°
49°
16
77°
40°
17
79°
45°
18
71°
46°
19
74°
42°
20
83°
42°
21
77°
44°
22
69°
38°
23
80°
44°
24
62°
41°
25
70°
37°
26
64°
41°
27
68°
37°
28
61°
43°
29
77°
46°
30
63°
47°
1
65°
42°
2
64°
36°
3
65°
35°
4
51°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Stettler
Stettler's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Stettler. See also: October | November | December.