S
M
T
W
T
F
S
30
84°
61°
31
83°
59°
1
84°
58°
2
82°
58°
3
83°
56°
4
82°
58°
5
82°
58°
6
81°
56°
7
76°
52°
8
76°
48°
9
Hist. Avg.
78°
56°
10
Hist. Avg.
78°
55°
11
Hist. Avg.
78°
55°
12
Hist. Avg.
77°
54°
13
Hist. Avg.
77°
54°
14
Hist. Avg.
76°
54°
15
Hist. Avg.
76°
53°
16
Hist. Avg.
76°
53°
17
Hist. Avg.
75°
52°
18
Hist. Avg.
75°
52°
19
Hist. Avg.
75°
52°
20
Hist. Avg.
74°
51°
21
Hist. Avg.
74°
51°
22
Hist. Avg.
73°
50°
23
Hist. Avg.
73°
50°
24
Hist. Avg.
73°
49°
25
Hist. Avg.
72°
49°
26
Hist. Avg.
72°
49°
27
Hist. Avg.
71°
48°
28
Hist. Avg.
71°
48°
29
Hist. Avg.
71°
47°
30
Hist. Avg.
70°
47°
1
Hist. Avg.
70°
46°
2
Hist. Avg.
70°
46°
3
Hist. Avg.
69°
46°
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 76° to 84°, with overnight lows between 48° and 61°. The average high for September is 81° with an average low of 56°. 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.
