S
M
T
W
T
F
S
30
96°
63°
31
98°
65°
1
100°
69°
2
101°
73°
3
99°
73°
4
100°
73°
5
101°
72°
6
91°
70°
7
88°
63°
8
94°
62°
9
93°
70°
10
79°
67°
11
84°
67°
12
93°
62°
13
87°
64°
14
88°
60°
15
98°
68°
16
95°
73°
17
99°
71°
18
98°
70°
19
97°
69°
20
91°
67°
21
72°
66°
22
N/A
23
73°
59°
24
74°
60°
25
76°
56°
26
70°
57°
27
78°
54°
28
81°
57°
29
81°
58°
30
77°
55°
1
80°
58°
2
81°
58°
3
76°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Deer Plain
Deer Plain's September 2026 forecast shows daily high temperatures ranging from 70° to 81°, with overnight lows between 54° and 60°. The average high for September is 77° 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 Deer Plain. See also: October | November | December.
