S
M
T
W
T
F
S
30
60°
51°
31
61°
51°
1
60°
52°
2
60°
52°
3
61°
51°
4
60°
51°
5
61°
53°
6
60°
52°
7
63°
54°
8
64°
55°
9
64°
53°
10
61°
55°
11
60°
55°
12
63°
56°
13
63°
56°
14
62°
54°
15
62°
52°
16
58°
51°
17
58°
49°
18
59°
49°
19
58°
48°
20
57°
48°
21
58°
50°
22
58°
50°
23
59°
49°
24
59°
50°
25
60°
50°
26
57°
52°
27
57°
49°
28
58°
49°
29
57°
48°
30
57°
48°
1
58°
49°
2
57°
48°
3
56°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Colintraive
Colintraive's September 2026 forecast shows daily high temperatures ranging from 56° to 64°, with overnight lows between 48° and 56°. The average high for September is 60° 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 Colintraive. See also: October | November | December.