S
M
T
W
T
F
S
30
73°
59°
31
72°
57°
1
72°
55°
2
70°
57°
3
73°
63°
4
68°
59°
5
70°
52°
6
73°
48°
7
69°
56°
8
66°
50°
9
66°
46°
10
68°
54°
11
70°
49°
12
69°
57°
13
69°
54°
14
72°
57°
15
68°
51°
16
66°
49°
17
64°
51°
18
65°
51°
19
66°
52°
20
65°
54°
21
66°
54°
22
67°
53°
23
66°
53°
24
66°
52°
25
65°
48°
26
63°
47°
27
63°
48°
28
62°
51°
29
62°
51°
30
63°
49°
1
62°
46°
2
63°
50°
3
63°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Brigg
Brigg's September 2026 forecast shows daily high temperatures ranging from 62° to 72°, with overnight lows between 46° and 57°. The average high for September is 66° with an average low of 51°. 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 Brigg. See also: October | November | December.