S
M
T
W
T
F
S
30
82°
51°
31
85°
46°
1
79°
44°
2
81°
43°
3
78°
50°
4
79°
51°
5
84°
50°
6
85°
50°
7
75°
44°
8
75°
42°
9
76°
45°
10
77°
46°
11
79°
47°
12
82°
50°
13
74°
49°
14
79°
49°
15
77°
48°
16
75°
49°
17
74°
45°
18
71°
50°
19
76°
49°
20
77°
45°
21
77°
42°
22
72°
46°
23
73°
47°
24
76°
44°
25
76°
47°
26
75°
44°
27
67°
44°
28
68°
44°
29
Hist. Avg.
71°
38°
30
Hist. Avg.
71°
38°
1
Hist. Avg.
70°
37°
2
Hist. Avg.
70°
37°
3
Hist. Avg.
69°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Mckenzie River
Mckenzie River's September 2026 forecast shows daily high temperatures ranging from 67° to 85°, with overnight lows between 42° and 51°. The average high for September is 77° 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 Mckenzie River. See also: October | November | December.