S
M
T
W
T
F
S
30
86°
54°
31
79°
60°
1
71°
60°
2
77°
56°
3
83°
60°
4
86°
58°
5
74°
54°
6
70°
51°
7
80°
53°
8
81°
57°
9
79°
69°
10
82°
61°
11
77°
51°
12
75°
60°
13
80°
61°
14
79°
60°
15
77°
61°
16
76°
59°
17
74°
56°
18
73°
55°
19
74°
56°
20
75°
54°
21
71°
58°
22
68°
57°
23
68°
58°
24
71°
56°
25
70°
56°
26
72°
55°
27
67°
53°
28
68°
55°
29
73°
56°
30
74°
56°
1
72°
54°
2
71°
56°
3
70°
54°
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 67° to 82°, with overnight lows between 51° and 69°. The average high for September is 74° with an average low of 57°. 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.
