S
M
T
W
T
F
S
30
77°
50°
31
83°
51°
1
83°
54°
2
73°
48°
3
67°
48°
4
66°
47°
5
70°
51°
6
74°
45°
7
72°
47°
8
74°
46°
9
76°
49°
10
77°
46°
11
79°
49°
12
78°
48°
13
76°
47°
14
77°
43°
15
79°
47°
16
74°
43°
17
67°
41°
18
67°
37°
19
68°
44°
20
66°
41°
21
65°
37°
22
65°
36°
23
66°
39°
24
64°
36°
25
65°
37°
26
71°
42°
27
74°
45°
28
68°
44°
29
63°
41°
30
66°
40°
1
71°
44°
2
64°
43°
3
62°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Entiat
Entiat's September 2026 forecast shows daily high temperatures ranging from 62° to 83°, with overnight lows between 36° and 54°. The average high for September is 71° 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 Entiat. See also: October | November | December.
