S
M
T
W
T
F
S
30
90°
70°
31
91°
70°
1
92°
69°
2
90°
70°
3
87°
70°
4
86°
68°
5
86°
66°
6
87°
65°
7
90°
68°
8
91°
69°
9
89°
69°
10
90°
68°
11
89°
67°
12
88°
66°
13
89°
67°
14
88°
65°
15
89°
67°
16
Hist. Avg.
87°
62°
17
Hist. Avg.
87°
62°
18
Hist. Avg.
86°
62°
19
Hist. Avg.
86°
61°
20
Hist. Avg.
86°
61°
21
Hist. Avg.
86°
60°
22
Hist. Avg.
85°
60°
23
Hist. Avg.
85°
60°
24
Hist. Avg.
84°
59°
25
Hist. Avg.
84°
59°
26
Hist. Avg.
84°
58°
27
Hist. Avg.
84°
58°
28
Hist. Avg.
83°
58°
29
Hist. Avg.
83°
57°
30
Hist. Avg.
82°
57°
1
Hist. Avg.
82°
56°
2
Hist. Avg.
82°
56°
3
Hist. Avg.
82°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Collinston
Collinston's September 2026 forecast shows daily high temperatures ranging from 86° to 92°, with overnight lows between 65° and 70°. The average high for September is 89° with an average low of 68°. 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 Collinston. See also: October | November | December.
