S
M
T
W
T
F
S
30
94°
65°
31
95°
71°
1
98°
70°
2
98°
71°
3
101°
72°
4
101°
71°
5
92°
70°
6
88°
62°
7
89°
64°
8
88°
65°
9
89°
64°
10
89°
67°
11
86°
59°
12
83°
60°
13
83°
59°
14
85°
58°
15
81°
63°
16
79°
63°
17
81°
62°
18
83°
62°
19
84°
61°
20
84°
62°
21
83°
61°
22
84°
61°
23
84°
60°
24
83°
61°
25
84°
61°
26
82°
59°
27
83°
60°
28
83°
59°
29
82°
60°
30
82°
58°
1
81°
58°
2
81°
57°
3
80°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Colesburg
Colesburg's September 2026 forecast shows daily high temperatures ranging from 79° to 101°, with overnight lows between 57° and 72°. The average high for September is 86° with an average low of 62°. 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 Colesburg. See also: October | November | December.
