S
M
T
W
T
F
S
30
76°
46°
31
77°
45°
1
76°
50°
2
75°
54°
3
73°
49°
4
74°
48°
5
74°
46°
6
73°
42°
7
72°
43°
8
73°
44°
9
74°
45°
10
76°
44°
11
75°
47°
12
69°
39°
13
71°
44°
14
81°
44°
15
69°
41°
16
Hist. Avg.
73°
50°
17
Hist. Avg.
73°
50°
18
Hist. Avg.
72°
50°
19
Hist. Avg.
72°
49°
20
Hist. Avg.
72°
49°
21
Hist. Avg.
71°
49°
22
Hist. Avg.
71°
49°
23
Hist. Avg.
70°
48°
24
Hist. Avg.
70°
48°
25
Hist. Avg.
70°
48°
26
Hist. Avg.
69°
47°
27
Hist. Avg.
69°
47°
28
Hist. Avg.
68°
47°
29
Hist. Avg.
68°
46°
30
Hist. Avg.
67°
46°
1
Hist. Avg.
67°
46°
2
Hist. Avg.
67°
45°
3
Hist. Avg.
66°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Osoyoos 1
Osoyoos 1's September 2026 forecast shows daily high temperatures ranging from 69° to 81°, with overnight lows between 39° and 54°. The average high for September is 74° with an average low of 45°. 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 Osoyoos 1. See also: October | November | December.
