S
M
T
W
T
F
S
30
83°
64°
31
84°
64°
1
84°
63°
2
82°
59°
3
75°
55°
4
75°
58°
5
77°
57°
6
77°
53°
7
76°
55°
8
79°
57°
9
82°
60°
10
82°
57°
11
81°
54°
12
78°
59°
13
82°
61°
14
82°
59°
15
81°
60°
16
81°
60°
17
82°
59°
18
82°
60°
19
81°
58°
20
80°
50°
21
79°
48°
22
71°
54°
23
74°
56°
24
77°
57°
25
79°
54°
26
80°
47°
27
70°
46°
28
67°
47°
29
68°
48°
30
67°
46°
1
66°
52°
2
69°
55°
3
74°
50°
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 46° and 64°. The average high for September is 77° 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.
