S
M
T
W
T
F
S
30
90°
66°
31
94°
69°
1
95°
68°
2
96°
70°
3
97°
71°
4
97°
72°
5
93°
68°
6
83°
61°
7
85°
60°
8
88°
64°
9
92°
71°
10
82°
68°
11
83°
66°
12
84°
69°
13
91°
68°
14
77°
57°
15
93°
57°
16
93°
69°
17
94°
71°
18
85°
70°
19
91°
71°
20
91°
70°
21
72°
60°
22
66°
59°
23
65°
62°
24
68°
53°
25
74°
47°
26
75°
45°
27
75°
44°
28
77°
47°
29
79°
49°
30
84°
52°
1
88°
56°
2
74°
60°
3
70°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Coldstream
Coldstream's September 2026 forecast shows daily high temperatures ranging from 70° to 70°, with overnight lows between 47° and 47°. The average high for September is 70° with an average low of 47°. 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.
