S
M
T
W
T
F
S
30
82°
64°
31
83°
57°
1
85°
56°
2
77°
55°
3
76°
62°
4
79°
63°
5
83°
55°
6
84°
54°
7
76°
54°
8
76°
62°
9
78°
60°
10
81°
60°
11
75°
57°
12
74°
55°
13
74°
51°
14
73°
51°
15
73°
55°
16
74°
57°
17
74°
58°
18
80°
58°
19
80°
56°
20
78°
57°
21
79°
55°
22
76°
53°
23
76°
49°
24
73°
48°
25
69°
48°
26
70°
48°
27
69°
45°
28
Hist. Avg.
72°
49°
29
Hist. Avg.
72°
49°
30
Hist. Avg.
72°
48°
1
Hist. Avg.
71°
48°
2
Hist. Avg.
71°
48°
3
Hist. Avg.
70°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Webster
Webster's September 2026 forecast shows daily high temperatures ranging from 69° to 85°, with overnight lows between 45° and 64°. The average high for September is 77° 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 Webster. See also: October | November | December.
