S
M
T
W
T
F
S
30
61°
48°
31
70°
52°
1
77°
50°
2
69°
51°
3
63°
56°
4
57°
47°
5
67°
41°
6
69°
48°
7
65°
49°
8
76°
44°
9
66°
53°
10
61°
53°
11
54°
42°
12
64°
37°
13
58°
51°
14
54°
41°
15
51°
32°
16
55°
44°
17
59°
41°
18
64°
47°
19
64°
46°
20
70°
51°
21
67°
47°
22
61°
44°
23
57°
41°
24
56°
43°
25
56°
39°
26
55°
43°
27
59°
44°
28
54°
43°
29
56°
42°
30
48°
40°
1
44°
38°
2
42°
35°
3
42°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Hay River
Hay River's September 2026 forecast shows daily high temperatures ranging from 42° to 70°, with overnight lows between 32° and 51°. The average high for September is 56° with an average low of 42°. 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 Hay River. See also: October | November | December.
