S
M
T
W
T
F
S
30
65°
55°
31
66°
51°
1
65°
52°
2
65°
55°
3
66°
50°
4
68°
50°
5
64°
52°
6
66°
51°
7
68°
52°
8
67°
55°
9
68°
53°
10
64°
55°
11
66°
55°
12
64°
54°
13
68°
54°
14
67°
53°
15
67°
53°
16
65°
52°
17
62°
53°
18
61°
51°
19
65°
48°
20
61°
48°
21
62°
47°
22
61°
48°
23
60°
50°
24
63°
52°
25
60°
54°
26
63°
53°
27
64°
52°
28
64°
49°
29
59°
48°
30
59°
47°
1
60°
46°
2
59°
46°
3
58°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Crosby
Crosby's September 2026 forecast shows daily high temperatures ranging from 58° to 68°, with overnight lows between 46° and 55°. The average high for September is 64° 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 Crosby. See also: October | November | December.
