S
M
T
W
T
F
S
30
89°
63°
31
85°
60°
1
84°
61°
2
87°
62°
3
90°
63°
4
87°
65°
5
90°
65°
6
86°
60°
7
84°
60°
8
84°
57°
9
82°
56°
10
81°
57°
11
81°
51°
12
83°
56°
13
86°
56°
14
85°
56°
15
84°
55°
16
84°
55°
17
85°
54°
18
84°
55°
19
83°
54°
20
83°
53°
21
82°
53°
22
83°
52°
23
82°
53°
24
82°
53°
25
81°
52°
26
80°
52°
27
79°
51°
28
79°
51°
29
78°
50°
30
77°
50°
1
77°
49°
2
75°
48°
3
76°
48°
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 75° to 90°, with overnight lows between 48° and 65°. The average high for September is 83° with an average low of 55°. 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.