S
M
T
W
T
F
S
30
65°
49°
31
70°
46°
1
79°
53°
2
75°
57°
3
66°
49°
4
61°
44°
5
62°
44°
6
67°
43°
7
69°
48°
8
71°
47°
9
70°
43°
10
66°
44°
11
65°
43°
12
64°
41°
13
60°
39°
14
71°
47°
15
69°
46°
16
68°
47°
17
62°
46°
18
64°
45°
19
67°
45°
20
67°
44°
21
61°
43°
22
61°
44°
23
66°
43°
24
55°
38°
25
58°
42°
26
65°
42°
27
66°
43°
28
62°
44°
29
65°
42°
30
64°
42°
1
65°
41°
2
65°
42°
3
64°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Edmonton / Gartner Airport
Edmonton / Gartner Airport's September 2026 forecast shows daily high temperatures ranging from 55° to 79°, with overnight lows between 38° and 57°. The average high for September is 65° 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 Edmonton / Gartner Airport. See also: October | November | December.
