S
M
T
W
T
F
S
30
76°
50°
31
64°
53°
1
73°
52°
2
74°
56°
3
71°
58°
4
69°
49°
5
59°
45°
6
57°
44°
7
62°
49°
8
69°
51°
9
67°
46°
10
62°
40°
11
58°
38°
12
57°
38°
13
55°
39°
14
64°
46°
15
61°
47°
16
62°
47°
17
60°
46°
18
54°
46°
19
59°
45°
20
59°
45°
21
56°
44°
22
52°
43°
23
57°
44°
24
57°
43°
25
53°
43°
26
55°
42°
27
56°
41°
28
53°
41°
29
52°
40°
30
49°
41°
1
53°
41°
2
55°
40°
3
55°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in McArthur River Airport
McArthur River Airport's September 2026 forecast shows daily high temperatures ranging from 49° to 74°, with overnight lows between 38° and 58°. The average high for September is 59° 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 McArthur River Airport. See also: October | November | December.
