S
M
T
W
T
F
S
30
73°
44°
31
75°
46°
1
73°
43°
2
74°
46°
3
81°
48°
4
81°
51°
5
80°
43°
6
72°
42°
7
72°
45°
8
70°
44°
9
70°
47°
10
69°
49°
11
68°
48°
12
67°
46°
13
67°
45°
14
66°
41°
15
64°
36°
16
65°
38°
17
73°
38°
18
Hist. Avg.
69°
41°
19
Hist. Avg.
69°
41°
20
Hist. Avg.
68°
41°
21
Hist. Avg.
68°
41°
22
Hist. Avg.
67°
40°
23
Hist. Avg.
67°
40°
24
Hist. Avg.
66°
40°
25
Hist. Avg.
66°
39°
26
Hist. Avg.
66°
39°
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 64° to 81°, with overnight lows between 36° and 51°. The average high for September is 72° 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 Kelowna. See also: October | November | December.
