S
M
T
W
T
F
S
30
63°
53°
31
65°
54°
1
71°
53°
2
71°
53°
3
67°
52°
4
69°
52°
5
71°
51°
6
68°
51°
7
60°
50°
8
65°
50°
9
66°
52°
10
68°
50°
11
60°
48°
12
57°
43°
13
57°
39°
14
59°
47°
15
66°
44°
16
67°
49°
17
68°
48°
18
54°
38°
19
55°
37°
20
57°
42°
21
62°
38°
22
67°
37°
23
56°
36°
24
53°
36°
25
52°
35°
26
51°
35°
27
50°
31°
28
50°
35°
29
50°
35°
30
51°
36°
1
51°
35°
2
52°
35°
3
50°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Athabasca
Athabasca's September 2026 forecast shows daily high temperatures ranging from 50° to 71°, with overnight lows between 31° and 54°. The average high for September is 60° with an average low of 43°. 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 Athabasca. See also: October | November | December.
