S
M
T
W
T
F
S
30
71°
52°
31
71°
51°
1
72°
49°
2
71°
54°
3
74°
49°
4
74°
53°
5
71°
54°
6
70°
50°
7
73°
48°
8
75°
54°
9
73°
47°
10
73°
48°
11
74°
54°
12
72°
51°
13
69°
45°
14
69°
56°
15
71°
57°
16
77°
50°
17
74°
45°
18
66°
43°
19
63°
43°
20
62°
45°
21
64°
43°
22
69°
47°
23
66°
44°
24
63°
43°
25
64°
42°
26
63°
43°
27
63°
43°
28
62°
42°
29
60°
41°
30
61°
48°
1
61°
40°
2
62°
38°
3
Hist. Avg.
63°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Watkins
Watkins's September 2026 forecast shows daily high temperatures ranging from 60° to 77°, with overnight lows between 38° and 57°. The average high for September is 68° 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 Watkins. See also: October | November | December.