S
M
T
W
T
F
S
30
91°
72°
31
92°
71°
1
94°
70°
2
94°
72°
3
87°
72°
4
88°
72°
5
93°
72°
6
90°
67°
7
86°
68°
8
89°
67°
9
90°
68°
10
90°
68°
11
88°
65°
12
87°
64°
13
87°
62°
14
88°
64°
15
87°
67°
16
87°
68°
17
83°
67°
18
85°
67°
19
85°
66°
20
80°
65°
21
84°
66°
22
82°
65°
23
82°
65°
24
85°
64°
25
86°
65°
26
79°
65°
27
78°
64°
28
79°
64°
29
78°
63°
30
78°
64°
1
77°
63°
2
78°
63°
3
78°
62°
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 77° to 94°, with overnight lows between 62° and 72°. The average high for September is 85° with an average low of 66°. 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.
