S
M
T
W
T
F
S
30
59°
51°
31
56°
50°
1
63°
47°
2
61°
47°
3
63°
41°
4
65°
44°
5
62°
51°
6
61°
51°
7
61°
53°
8
58°
49°
9
60°
50°
10
61°
48°
11
60°
47°
12
62°
48°
13
60°
49°
14
54°
44°
15
57°
47°
16
54°
47°
17
51°
45°
18
51°
44°
19
52°
43°
20
50°
42°
21
51°
41°
22
51°
40°
23
52°
42°
24
51°
42°
25
52°
41°
26
51°
40°
27
50°
41°
28
51°
45°
29
50°
44°
30
53°
43°
1
51°
46°
2
50°
46°
3
49°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Haines
Haines's September 2026 forecast shows daily high temperatures ranging from 49° to 65°, with overnight lows between 40° and 53°. The average high for September is 55° with an average low of 45°. 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 Haines. See also: October | November | December.
