S
M
T
W
T
F
S
30
93°
64°
31
91°
66°
1
92°
68°
2
91°
67°
3
91°
67°
4
86°
66°
5
87°
66°
6
87°
65°
7
88°
66°
8
89°
66°
9
89°
65°
10
90°
66°
11
90°
66°
12
89°
65°
13
89°
65°
14
88°
64°
15
89°
65°
16
89°
65°
17
87°
64°
18
87°
64°
19
84°
63°
20
82°
62°
21
83°
61°
22
87°
62°
23
87°
62°
24
88°
59°
25
86°
61°
26
83°
62°
27
85°
61°
28
85°
61°
29
84°
60°
30
80°
59°
1
79°
53°
2
78°
52°
3
77°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sweet Water
Sweet Water's September 2026 forecast shows daily high temperatures ranging from 77° to 93°, with overnight lows between 51° and 68°. The average high for September is 87° with an average low of 63°. 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 Sweet Water. See also: October | November | December.
