S
M
T
W
T
F
S
30
78°
59°
31
86°
51°
1
78°
57°
2
85°
58°
3
86°
56°
4
79°
54°
5
75°
54°
6
81°
56°
7
84°
56°
8
80°
46°
9
79°
45°
10
71°
44°
11
70°
44°
12
70°
49°
13
72°
45°
14
71°
42°
15
69°
41°
16
67°
43°
17
67°
41°
18
66°
41°
19
65°
42°
20
66°
42°
21
69°
46°
22
73°
49°
23
75°
50°
24
70°
50°
25
75°
47°
26
72°
48°
27
67°
42°
28
73°
40°
29
63°
38°
30
62°
47°
1
63°
40°
2
62°
48°
3
71°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Colony
Colony's September 2026 forecast shows daily high temperatures ranging from 62° to 86°, with overnight lows between 35° and 59°. The average high for September is 73° with an average low of 47°. 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 Colony. See also: October | November | December.