S
M
T
W
T
F
S
30
81°
60°
31
79°
60°
1
80°
55°
2
73°
53°
3
72°
54°
4
72°
52°
5
73°
51°
6
75°
58°
7
79°
58°
8
74°
57°
9
72°
57°
10
76°
58°
11
78°
57°
12
77°
58°
13
78°
58°
14
78°
47°
15
71°
48°
16
68°
48°
17
70°
47°
18
69°
46°
19
68°
47°
20
68°
49°
21
75°
52°
22
75°
53°
23
74°
45°
24
75°
43°
25
68°
43°
26
67°
46°
27
72°
50°
28
72°
50°
29
71°
42°
30
70°
42°
1
65°
43°
2
65°
44°
3
69°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Webster
Webster's September 2026 forecast shows daily high temperatures ranging from 65° to 81°, with overnight lows between 42° and 60°. The average high for September is 73° with an average low of 51°. 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 Webster. See also: October | November | December.
