S
M
T
W
T
F
S
30
70°
54°
31
69°
54°
1
69°
53°
2
71°
53°
3
68°
52°
4
70°
52°
5
70°
51°
6
71°
52°
7
66°
51°
8
65°
52°
9
68°
51°
10
65°
50°
11
64°
49°
12
60°
47°
13
56°
44°
14
56°
41°
15
57°
41°
16
59°
42°
17
62°
48°
18
59°
48°
19
56°
47°
20
66°
48°
21
58°
42°
22
64°
46°
23
65°
35°
24
55°
42°
25
61°
38°
26
57°
32°
27
52°
31°
28
49°
29°
29
48°
32°
30
48°
34°
1
49°
33°
2
53°
33°
3
53°
43°
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 48° to 71°, with overnight lows between 29° and 54°. The average high for September is 61° with an average low of 44°. 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.
