S
M
T
W
T
F
S
30
65°
57°
31
69°
57°
1
69°
56°
2
70°
55°
3
66°
54°
4
68°
56°
5
67°
51°
6
68°
53°
7
66°
53°
8
68°
52°
9
64°
53°
10
63°
51°
11
63°
50°
12
64°
49°
13
62°
49°
14
62°
53°
15
63°
54°
16
65°
52°
17
66°
53°
18
65°
51°
19
66°
48°
20
61°
52°
21
61°
49°
22
62°
48°
23
60°
48°
24
60°
50°
25
61°
53°
26
61°
51°
27
64°
47°
28
62°
46°
29
59°
47°
30
59°
46°
1
60°
45°
2
60°
47°
3
61°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Well
Well's September 2026 forecast shows daily high temperatures ranging from 59° to 70°, with overnight lows between 45° and 57°. The average high for September is 64° with an average low of 51°. 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 Well. See also: October | November | December.