S
M
T
W
T
F
S
30
76°
49°
31
80°
51°
1
81°
46°
2
72°
44°
3
70°
43°
4
72°
44°
5
79°
48°
6
78°
48°
7
78°
44°
8
69°
40°
9
67°
39°
10
69°
41°
11
71°
40°
12
71°
44°
13
72°
47°
14
66°
49°
15
65°
45°
16
66°
45°
17
66°
43°
18
64°
46°
19
63°
39°
20
65°
37°
21
64°
35°
22
63°
36°
23
63°
34°
24
65°
36°
25
70°
39°
26
64°
38°
27
Hist. Avg.
65°
39°
28
Hist. Avg.
65°
39°
29
Hist. Avg.
64°
38°
30
Hist. Avg.
64°
38°
1
Hist. Avg.
63°
38°
2
Hist. Avg.
63°
38°
3
Hist. Avg.
62°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Kelowna
Kelowna's September 2026 forecast shows daily high temperatures ranging from 63° to 81°, with overnight lows between 34° and 51°. The average high for September is 70° 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 Kelowna. See also: October | November | December.
