S
M
T
W
T
F
S
30
81°
59°
31
82°
56°
1
81°
53°
2
78°
56°
3
80°
51°
4
74°
51°
5
80°
55°
6
80°
57°
7
79°
49°
8
72°
48°
9
72°
55°
10
71°
54°
11
75°
53°
12
78°
57°
13
78°
54°
14
77°
57°
15
77°
55°
16
80°
53°
17
Hist. Avg.
74°
52°
18
Hist. Avg.
74°
52°
19
Hist. Avg.
74°
51°
20
Hist. Avg.
73°
51°
21
Hist. Avg.
73°
50°
22
Hist. Avg.
72°
50°
23
Hist. Avg.
72°
49°
24
Hist. Avg.
71°
49°
25
Hist. Avg.
71°
48°
26
Hist. Avg.
70°
48°
27
Hist. Avg.
70°
48°
28
Hist. Avg.
69°
47°
29
Hist. Avg.
69°
47°
30
Hist. Avg.
68°
46°
1
Hist. Avg.
68°
46°
2
Hist. Avg.
67°
45°
3
Hist. Avg.
67°
45°
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 82°, with overnight lows between 48° and 59°. The average high for September is 78° with an average low of 54°. 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.
