S
M
T
W
T
F
S
30
84°
60°
31
85°
63°
1
89°
60°
2
89°
54°
3
85°
53°
4
84°
57°
5
89°
61°
6
88°
59°
7
82°
55°
8
81°
53°
9
81°
53°
10
82°
56°
11
88°
58°
12
88°
55°
13
87°
57°
14
89°
60°
15
89°
59°
16
87°
54°
17
86°
55°
18
85°
54°
19
87°
52°
20
86°
57°
21
85°
57°
22
83°
56°
23
82°
56°
24
77°
55°
25
76°
55°
26
82°
54°
27
80°
55°
28
81°
56°
29
78°
55°
30
81°
53°
1
73°
52°
2
73°
47°
3
71°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sweetwater
Sweetwater's September 2026 forecast shows daily high temperatures ranging from 71° to 89°, with overnight lows between 45° and 63°. The average high for September is 83° with an average low of 55°. 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 Sweetwater. See also: October | November | December.
