S
M
T
W
T
F
S
30
92°
69°
31
91°
68°
1
92°
69°
2
92°
68°
3
91°
68°
4
90°
67°
5
90°
67°
6
91°
68°
7
92°
65°
8
91°
64°
9
88°
64°
10
89°
65°
11
91°
64°
12
91°
68°
13
91°
67°
14
87°
63°
15
87°
63°
16
Hist. Avg.
88°
66°
17
Hist. Avg.
87°
66°
18
Hist. Avg.
87°
66°
19
Hist. Avg.
87°
66°
20
Hist. Avg.
87°
65°
21
Hist. Avg.
86°
65°
22
Hist. Avg.
86°
65°
23
Hist. Avg.
86°
64°
24
Hist. Avg.
86°
64°
25
Hist. Avg.
86°
64°
26
Hist. Avg.
85°
63°
27
Hist. Avg.
85°
63°
28
Hist. Avg.
85°
62°
29
Hist. Avg.
84°
62°
30
Hist. Avg.
84°
62°
1
Hist. Avg.
84°
62°
2
Hist. Avg.
84°
61°
3
Hist. Avg.
83°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Somerset
Somerset's September 2026 forecast shows daily high temperatures ranging from 87° to 92°, with overnight lows between 63° and 69°. The average high for September is 90° with an average low of 66°. 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 Somerset. See also: October | November | December.
