S
M
T
W
T
F
S
30
59°
48°
31
62°
50°
1
61°
50°
2
58°
49°
3
56°
46°
4
56°
45°
5
55°
43°
6
55°
45°
7
56°
45°
8
56°
46°
9
57°
44°
10
55°
44°
11
55°
45°
12
56°
43°
13
55°
44°
14
54°
43°
15
53°
42°
16
53°
47°
17
54°
46°
18
54°
46°
19
54°
46°
20
51°
46°
21
51°
47°
22
Hist. Avg.
55°
39°
23
Hist. Avg.
54°
39°
24
Hist. Avg.
54°
39°
25
Hist. Avg.
54°
38°
26
Hist. Avg.
54°
38°
27
Hist. Avg.
54°
38°
28
Hist. Avg.
53°
38°
29
Hist. Avg.
53°
38°
30
Hist. Avg.
53°
38°
1
Hist. Avg.
52°
37°
2
Hist. Avg.
52°
37°
3
Hist. Avg.
52°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Crystal Falls
Crystal Falls's September 2026 forecast shows daily high temperatures ranging from 51° to 62°, with overnight lows between 42° and 50°. The average high for September is 55° with an average low of 46°. 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 Crystal Falls. See also: October | November | December.
