S
M
T
W
T
F
S
30
77°
57°
31
79°
56°
1
80°
50°
2
77°
48°
3
78°
52°
4
78°
54°
5
77°
54°
6
75°
51°
7
72°
52°
8
75°
46°
9
71°
43°
10
69°
53°
11
72°
51°
12
75°
52°
13
77°
52°
14
75°
52°
15
75°
53°
16
77°
51°
17
Hist. Avg.
72°
51°
18
Hist. Avg.
72°
51°
19
Hist. Avg.
71°
50°
20
Hist. Avg.
71°
50°
21
Hist. Avg.
70°
50°
22
Hist. Avg.
70°
49°
23
Hist. Avg.
69°
49°
24
Hist. Avg.
69°
48°
25
Hist. Avg.
69°
48°
26
Hist. Avg.
68°
48°
27
Hist. Avg.
68°
47°
28
Hist. Avg.
67°
47°
29
Hist. Avg.
67°
46°
30
Hist. Avg.
66°
46°
1
Hist. Avg.
66°
46°
2
Hist. Avg.
66°
45°
3
Hist. Avg.
65°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Sterling
Sterling's September 2026 forecast shows daily high temperatures ranging from 69° to 80°, with overnight lows between 43° and 57°. The average high for September is 76° with an average low of 52°. 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 Sterling. See also: October | November | December.
