S
M
T
W
T
F
S
30
77°
53°
31
77°
53°
1
76°
54°
2
76°
55°
3
77°
55°
4
74°
56°
5
76°
55°
6
75°
54°
7
73°
53°
8
74°
51°
9
72°
52°
10
74°
58°
11
72°
51°
12
72°
50°
13
76°
49°
14
75°
56°
15
76°
57°
16
72°
55°
17
71°
49°
18
75°
48°
19
76°
51°
20
76°
54°
21
75°
49°
22
70°
51°
23
73°
52°
24
70°
50°
25
70°
51°
26
67°
45°
27
71°
46°
28
65°
45°
29
64°
45°
30
63°
43°
1
Hist. Avg.
68°
46°
2
Hist. Avg.
68°
46°
3
Hist. Avg.
67°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Colonie
Colonie's September 2026 forecast shows daily high temperatures ranging from 63° to 77°, with overnight lows between 43° and 58°. The average high for September is 73° 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 Colonie. See also: October | November | December.
