S
M
T
W
T
F
S
30
69°
31°
31
71°
35°
1
71°
34°
2
69°
51°
3
71°
50°
4
64°
41°
5
65°
50°
6
63°
44°
7
64°
40°
8
N/A
9
58°
34°
10
64°
34°
11
66°
37°
12
68°
35°
13
69°
41°
14
74°
45°
15
71°
47°
16
64°
38°
17
59°
37°
18
67°
40°
19
70°
43°
20
73°
45°
21
63°
42°
22
58°
40°
23
57°
36°
24
58°
35°
25
63°
43°
26
66°
44°
27
65°
40°
28
63°
42°
29
65°
42°
30
66°
45°
1
68°
43°
2
68°
45°
3
69°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Watson
Watson's September 2026 forecast shows daily high temperatures ranging from 57° to 74°, with overnight lows between 34° and 47°. The average high for September is 65° with an average low of 41°. 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.
