S
M
T
W
T
F
S
30
94°
67°
31
89°
68°
1
88°
65°
2
88°
63°
3
89°
62°
4
87°
61°
5
87°
62°
6
88°
64°
7
92°
66°
8
92°
67°
9
91°
66°
10
89°
66°
11
92°
65°
12
92°
66°
13
91°
66°
14
91°
65°
15
90°
65°
16
92°
64°
17
91°
65°
18
90°
64°
19
84°
63°
20
88°
64°
21
89°
61°
22
85°
57°
23
87°
60°
24
87°
62°
25
Hist. Avg.
84°
60°
26
Hist. Avg.
84°
59°
27
Hist. Avg.
84°
59°
28
Hist. Avg.
83°
58°
29
Hist. Avg.
83°
58°
30
Hist. Avg.
82°
58°
1
Hist. Avg.
82°
57°
2
Hist. Avg.
82°
57°
3
Hist. Avg.
82°
56°
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 84° to 94°, with overnight lows between 57° and 68°. The average high for September is 89° with an average low of 64°. 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.
