S
M
T
W
T
F
S
30
67°
38°
31
68°
36°
1
70°
45°
2
72°
48°
3
62°
46°
4
64°
38°
5
61°
49°
6
62°
43°
7
62°
43°
8
N/A
9
58°
37°
10
65°
40°
11
69°
44°
12
73°
50°
13
75°
53°
14
73°
41°
15
59°
43°
16
61°
45°
17
62°
44°
18
70°
47°
19
70°
51°
20
65°
40°
21
67°
49°
22
59°
48°
23
58°
44°
24
61°
49°
25
68°
51°
26
67°
49°
27
63°
43°
28
62°
50°
29
64°
48°
30
70°
50°
1
68°
51°
2
71°
51°
3
68°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Donald
Donald's September 2026 forecast shows daily high temperatures ranging from 58° to 75°, with overnight lows between 37° and 53°. The average high for September is 66° 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 Donald. See also: October | November | December.