S
M
T
W
T
F
S
30
80°
63°
31
82°
63°
1
83°
62°
2
77°
58°
3
76°
59°
4
77°
60°
5
81°
61°
6
82°
62°
7
83°
62°
8
84°
61°
9
84°
61°
10
82°
60°
11
81°
61°
12
83°
62°
13
83°
62°
14
77°
50°
15
71°
51°
16
73°
55°
17
74°
56°
18
70°
50°
19
71°
48°
20
73°
50°
21
76°
55°
22
78°
55°
23
78°
47°
24
70°
48°
25
71°
52°
26
75°
55°
27
75°
54°
28
76°
46°
29
67°
45°
30
67°
45°
1
66°
51°
2
74°
52°
3
74°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lima Allen County Airport
Lima Allen County Airport's September 2026 forecast shows daily high temperatures ranging from 66° to 84°, with overnight lows between 45° and 63°. The average high for September is 76° with an average low of 55°. 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 Lima Allen County Airport. See also: October | November | December.
