S
M
T
W
T
F
S
30
90°
71°
31
90°
71°
1
91°
69°
2
92°
70°
3
93°
73°
4
92°
72°
5
92°
69°
6
94°
72°
7
90°
73°
8
89°
70°
9
91°
69°
10
93°
72°
11
91°
65°
12
86°
64°
13
86°
64°
14
87°
64°
15
86°
68°
16
81°
68°
17
82°
67°
18
85°
68°
19
85°
67°
20
80°
67°
21
82°
66°
22
83°
66°
23
84°
65°
24
86°
65°
25
87°
66°
26
85°
66°
27
81°
65°
28
84°
65°
29
82°
64°
30
86°
64°
1
83°
63°
2
82°
63°
3
82°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sigsbee
Sigsbee's September 2026 forecast shows daily high temperatures ranging from 80° to 94°, with overnight lows between 62° and 73°. The average high for September is 86° with an average low of 67°. 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 Sigsbee. See also: October | November | December.
