S
M
T
W
T
F
S
30
92°
74°
31
92°
74°
1
90°
73°
2
91°
74°
3
91°
74°
4
89°
73°
5
88°
73°
6
87°
72°
7
87°
73°
8
88°
73°
9
90°
72°
10
89°
72°
11
87°
71°
12
88°
72°
13
91°
72°
14
89°
66°
15
88°
66°
16
84°
68°
17
85°
67°
18
87°
68°
19
89°
69°
20
89°
70°
21
88°
70°
22
85°
69°
23
87°
68°
24
85°
67°
25
84°
67°
26
87°
66°
27
84°
68°
28
87°
67°
29
87°
67°
30
86°
66°
1
87°
66°
2
87°
65°
3
85°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Watercolor
Watercolor's September 2026 forecast shows daily high temperatures ranging from 84° to 92°, with overnight lows between 65° and 74°. The average high for September is 88° with an average low of 70°. 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 Watercolor. See also: October | November | December.
