S
M
T
W
T
F
S
30
95°
70°
31
94°
71°
1
94°
70°
2
93°
69°
3
88°
65°
4
87°
65°
5
86°
69°
6
88°
68°
7
87°
68°
8
90°
69°
9
93°
69°
10
89°
68°
11
89°
67°
12
90°
68°
13
92°
65°
14
91°
61°
15
85°
61°
16
86°
62°
17
85°
61°
18
87°
64°
19
90°
66°
20
90°
65°
21
89°
66°
22
86°
65°
23
86°
65°
24
84°
64°
25
84°
63°
26
88°
61°
27
88°
63°
28
87°
63°
29
88°
62°
30
88°
62°
1
87°
61°
2
88°
62°
3
88°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Somerset
Somerset's September 2026 forecast shows daily high temperatures ranging from 84° to 95°, with overnight lows between 56° and 71°. The average high for September is 89° with an average low of 65°. 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.
