S
M
T
W
T
F
S
30
74°
53°
31
74°
50°
1
64°
50°
2
73°
51°
3
73°
47°
4
72°
50°
5
73°
52°
6
72°
44°
7
71°
40°
8
61°
39°
9
60°
39°
10
59°
40°
11
60°
39°
12
63°
39°
13
59°
36°
14
57°
34°
15
56°
35°
16
57°
36°
17
58°
36°
18
56°
38°
19
57°
40°
20
63°
41°
21
65°
45°
22
66°
41°
23
64°
37°
24
54°
36°
25
54°
36°
26
52°
41°
27
58°
42°
28
52°
37°
29
53°
36°
30
50°
32°
1
51°
39°
2
51°
34°
3
52°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Watson
Watson's September 2026 forecast shows daily high temperatures ranging from 50° to 74°, with overnight lows between 30° and 53°. The average high for September is 61° with an average low of 40°. 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 Watson. See also: October | November | December.
