S
M
T
W
T
F
S
30
78°
55°
31
82°
39°
1
78°
48°
2
82°
12°
3
84°
-2°
4
91°
-4°
5
93°
46°
6
86°
68°
7
83°
61°
8
80°
53°
9
75°
50°
10
86°
53°
11
76°
50°
12
64°
47°
13
63°
45°
14
69°
49°
15
69°
47°
16
70°
52°
17
73°
51°
18
70°
49°
19
69°
44°
20
62°
48°
21
68°
51°
22
73°
52°
23
73°
50°
24
62°
49°
25
68°
49°
26
70°
48°
27
69°
49°
28
70°
48°
29
63°
47°
30
57°
45°
1
57°
43°
2
55°
39°
3
55°
45°
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 55° to 86°, with overnight lows between 39° and 68°. The average high for September is 69° with an average low of 49°. 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.
