S
M
T
W
T
F
S
30
96°
73°
31
95°
72°
1
95°
72°
2
94°
71°
3
94°
70°
4
93°
71°
5
94°
70°
6
92°
69°
7
93°
70°
8
90°
69°
9
92°
71°
10
93°
70°
11
92°
69°
12
88°
69°
13
86°
68°
14
86°
68°
15
87°
67°
16
87°
68°
17
86°
68°
18
86°
66°
19
87°
61°
20
84°
60°
21
84°
61°
22
85°
64°
23
86°
66°
24
87°
65°
25
88°
66°
26
87°
65°
27
88°
63°
28
83°
64°
29
88°
62°
30
82°
63°
1
Hist. Avg.
84°
60°
2
Hist. Avg.
84°
60°
3
Hist. Avg.
84°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sterlington
Sterlington's September 2026 forecast shows daily high temperatures ranging from 82° to 96°, with overnight lows between 60° and 73°. The average high for September is 89° with an average low of 67°. 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 Sterlington. See also: October | November | December.
