S
M
T
W
T
F
S
30
82°
61°
31
83°
61°
1
82°
60°
2
82°
61°
3
83°
62°
4
83°
61°
5
82°
60°
6
81°
61°
7
82°
59°
8
78°
56°
9
78°
57°
10
79°
58°
11
81°
58°
12
76°
54°
13
68°
47°
14
66°
47°
15
66°
54°
16
68°
52°
17
67°
48°
18
70°
49°
19
75°
53°
20
75°
54°
21
74°
54°
22
71°
45°
23
75°
42°
24
70°
51°
25
69°
52°
26
69°
44°
27
73°
38°
28
64°
40°
29
66°
49°
30
66°
47°
1
62°
47°
2
60°
51°
3
69°
51°
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 60° to 83°, with overnight lows between 38° and 62°. The average high for September is 74° with an average low of 53°. 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.
