S
M
T
W
T
F
S
30
89°
70°
31
115°
72°
1
95°
71°
2
95°
75°
3
97°
75°
4
93°
75°
5
97°
73°
6
93°
72°
7
81°
70°
8
84°
68°
9
88°
68°
10
91°
70°
11
93°
72°
12
82°
70°
13
90°
71°
14
91°
73°
15
81°
72°
16
88°
70°
17
91°
70°
18
93°
70°
19
90°
72°
20
90°
70°
21
90°
70°
22
84°
70°
23
72°
61°
24
N/A
25
77°
57°
26
79°
54°
27
81°
54°
28
82°
57°
29
84°
58°
30
84°
62°
1
87°
65°
2
87°
69°
3
71°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Welcome
Welcome's September 2026 forecast shows daily high temperatures ranging from 71° to 87°, with overnight lows between 57° and 69°. The average high for September is 83° with an average low of 62°. 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 Welcome. See also: October | November | December.
