S
M
T
W
T
F
S
30
78°
40°
31
80°
40°
1
80°
39°
2
83°
43°
3
84°
41°
4
84°
46°
5
86°
46°
6
86°
41°
7
80°
46°
8
81°
43°
9
73°
37°
10
72°
40°
11
73°
43°
12
74°
41°
13
74°
46°
14
73°
42°
15
72°
41°
16
78°
37°
17
72°
35°
18
73°
38°
19
Hist. Avg.
73°
34°
20
Hist. Avg.
72°
34°
21
Hist. Avg.
72°
34°
22
Hist. Avg.
72°
34°
23
Hist. Avg.
71°
33°
24
Hist. Avg.
70°
33°
25
Hist. Avg.
70°
32°
26
Hist. Avg.
70°
32°
27
Hist. Avg.
69°
32°
28
Hist. Avg.
68°
32°
29
Hist. Avg.
68°
31°
30
Hist. Avg.
68°
31°
1
Hist. Avg.
67°
31°
2
Hist. Avg.
67°
30°
3
Hist. Avg.
66°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Thatcher
Thatcher's September 2026 forecast shows daily high temperatures ranging from 72° to 86°, with overnight lows between 35° and 46°. The average high for September is 78° with an average low of 41°. 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 Thatcher. See also: October | November | December.
