S
M
T
W
T
F
S
30
64°
54°
31
63°
48°
1
59°
48°
2
61°
55°
3
63°
54°
4
59°
52°
5
59°
46°
6
N/A
7
64°
48°
8
62°
46°
9
62°
46°
10
62°
52°
11
64°
48°
12
61°
51°
13
63°
51°
14
64°
50°
15
62°
47°
16
61°
49°
17
61°
50°
18
62°
51°
19
59°
51°
20
61°
52°
21
62°
53°
22
62°
52°
23
61°
52°
24
62°
50°
25
60°
47°
26
58°
45°
27
59°
47°
28
60°
49°
29
60°
50°
30
59°
47°
1
58°
50°
2
60°
50°
3
60°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Coldstream
Coldstream's September 2026 forecast shows daily high temperatures ranging from 58° to 64°, with overnight lows between 45° and 53°. The average high for September is 61° with an average low of 49°. 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 Coldstream. See also: October | November | December.
