S
M
T
W
T
F
S
30
89°
68°
31
88°
65°
1
87°
63°
2
87°
61°
3
86°
61°
4
85°
62°
5
86°
63°
6
86°
65°
7
87°
67°
8
90°
65°
9
85°
66°
10
86°
67°
11
91°
67°
12
92°
66°
13
90°
67°
14
89°
66°
15
91°
66°
16
91°
65°
17
89°
64°
18
90°
62°
19
83°
65°
20
88°
63°
21
89°
56°
22
81°
55°
23
81°
61°
24
85°
62°
25
Hist. Avg.
84°
60°
26
Hist. Avg.
83°
59°
27
Hist. Avg.
83°
59°
28
Hist. Avg.
82°
58°
29
Hist. Avg.
82°
58°
30
Hist. Avg.
82°
57°
1
Hist. Avg.
82°
57°
2
Hist. Avg.
81°
57°
3
Hist. Avg.
81°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Fort Chaffee Ut
Fort Chaffee Ut's September 2026 forecast shows daily high temperatures ranging from 81° to 92°, with overnight lows between 55° and 68°. The average high for September is 87° with an average low of 64°. 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 Fort Chaffee Ut. See also: October | November | December.
