S
M
T
W
T
F
S
30
88°
64°
31
89°
66°
1
88°
66°
2
91°
68°
3
92°
68°
4
94°
68°
5
86°
68°
6
87°
67°
7
83°
63°
8
87°
62°
9
89°
65°
10
86°
66°
11
81°
66°
12
83°
68°
13
84°
64°
14
84°
66°
15
83°
63°
16
78°
60°
17
78°
58°
18
72°
55°
19
75°
51°
20
71°
54°
21
73°
53°
22
78°
58°
23
78°
57°
24
77°
57°
25
78°
56°
26
79°
57°
27
79°
57°
28
78°
56°
29
78°
57°
30
77°
56°
1
77°
56°
2
76°
52°
3
71°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Welch
Welch's September 2026 forecast shows daily high temperatures ranging from 71° to 89°, with overnight lows between 47° and 68°. The average high for September is 79° with an average low of 58°. 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 Welch. See also: October | November | December.
