S
M
T
W
T
F
S
30
76°
42°
31
82°
49°
1
83°
50°
2
77°
54°
3
72°
56°
4
72°
53°
5
73°
51°
6
78°
55°
7
75°
52°
8
80°
51°
9
86°
55°
10
82°
53°
11
79°
54°
12
78°
51°
13
75°
50°
14
74°
48°
15
76°
52°
16
77°
53°
17
75°
51°
18
83°
49°
19
71°
46°
20
71°
52°
21
78°
52°
22
74°
47°
23
73°
48°
24
76°
50°
25
78°
51°
26
70°
48°
27
67°
46°
28
66°
42°
29
64°
39°
30
65°
42°
1
74°
48°
2
74°
47°
3
73°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Omak
Omak's September 2026 forecast shows daily high temperatures ranging from 64° to 86°, with overnight lows between 39° and 55°. The average high for September is 75° with an average low of 49°. 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 Omak. See also: October | November | December.
