S
M
T
W
T
F
S
30
65°
53°
31
65°
52°
1
64°
53°
2
65°
53°
3
63°
52°
4
64°
51°
5
64°
52°
6
63°
51°
7
65°
52°
8
64°
52°
9
64°
48°
10
63°
51°
11
63°
52°
12
62°
51°
13
63°
50°
14
61°
50°
15
59°
51°
16
61°
49°
17
62°
47°
18
60°
51°
19
61°
50°
20
62°
50°
21
61°
51°
22
63°
50°
23
62°
48°
24
Hist. Avg.
57°
45°
25
Hist. Avg.
57°
45°
26
Hist. Avg.
56°
45°
27
Hist. Avg.
56°
44°
28
Hist. Avg.
56°
44°
29
Hist. Avg.
56°
44°
30
Hist. Avg.
56°
44°
1
Hist. Avg.
55°
44°
2
Hist. Avg.
55°
44°
3
Hist. Avg.
55°
44°
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 59° to 65°, with overnight lows between 47° and 53°. The average high for September is 63° 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 Coldstream. See also: October | November | December.
