S
M
T
W
T
F
S
30
79°
61°
31
80°
61°
1
78°
64°
2
79°
64°
3
80°
57°
4
81°
56°
5
78°
55°
6
75°
57°
7
77°
61°
8
79°
55°
9
79°
57°
10
82°
54°
11
78°
53°
12
77°
54°
13
76°
53°
14
76°
54°
15
79°
56°
16
81°
57°
17
80°
58°
18
80°
59°
19
81°
59°
20
Hist. Avg.
76°
52°
21
Hist. Avg.
76°
51°
22
Hist. Avg.
75°
51°
23
Hist. Avg.
75°
50°
24
Hist. Avg.
74°
50°
25
Hist. Avg.
74°
50°
26
Hist. Avg.
73°
49°
27
Hist. Avg.
73°
49°
28
Hist. Avg.
73°
48°
29
Hist. Avg.
72°
48°
30
Hist. Avg.
72°
47°
1
Hist. Avg.
71°
47°
2
Hist. Avg.
71°
47°
3
Hist. Avg.
70°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Underwood
Underwood's September 2026 forecast shows daily high temperatures ranging from 75° to 82°, with overnight lows between 53° and 64°. The average high for September is 79° with an average low of 57°. 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 Underwood. See also: October | November | December.
