S
M
T
W
T
F
S
30
59°
37°
31
59°
38°
1
54°
31°
2
55°
30°
3
56°
38°
4
58°
42°
5
65°
40°
6
62°
41°
7
66°
45°
8
66°
44°
9
61°
38°
10
60°
39°
11
58°
37°
12
48°
35°
13
49°
28°
14
48°
30°
15
50°
38°
16
47°
37°
17
46°
37°
18
46°
36°
19
47°
36°
20
46°
35°
21
46°
36°
22
44°
34°
23
43°
32°
24
43°
29°
25
44°
30°
26
41°
29°
27
40°
25°
28
40°
33°
29
47°
31°
30
45°
33°
1
47°
32°
2
47°
32°
3
45°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Dawson
Dawson's September 2026 forecast shows daily high temperatures ranging from 40° to 66°, with overnight lows between 25° and 45°. The average high for September is 51° with an average low of 35°. 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 Dawson. See also: October | November | December.
