S
M
T
W
T
F
S
30
89°
65°
31
88°
65°
1
87°
64°
2
86°
65°
3
82°
61°
4
81°
59°
5
81°
64°
6
86°
65°
7
87°
64°
8
86°
63°
9
85°
64°
10
86°
63°
11
81°
57°
12
78°
56°
13
78°
62°
14
83°
62°
15
79°
61°
16
81°
61°
17
79°
60°
18
83°
60°
19
77°
52°
20
75°
52°
21
75°
53°
22
76°
56°
23
79°
58°
24
80°
59°
25
81°
57°
26
80°
51°
27
75°
52°
28
73°
50°
29
72°
48°
30
72°
50°
1
Hist. Avg.
78°
52°
2
Hist. Avg.
78°
52°
3
Hist. Avg.
77°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Edmonton
Edmonton's September 2026 forecast shows daily high temperatures ranging from 72° to 89°, with overnight lows between 48° and 65°. The average high for September is 81° with an average low of 59°. 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 Edmonton. See also: October | November | December.
