S
M
T
W
T
F
S
30
92°
71°
31
93°
70°
1
97°
72°
2
97°
71°
3
97°
73°
4
94°
71°
5
94°
68°
6
88°
65°
7
85°
65°
8
84°
64°
9
86°
60°
10
82°
59°
11
78°
56°
12
83°
62°
13
83°
61°
14
79°
61°
15
81°
61°
16
81°
60°
17
80°
60°
18
81°
59°
19
81°
61°
20
82°
60°
21
81°
60°
22
81°
59°
23
80°
59°
24
80°
58°
25
79°
57°
26
79°
58°
27
80°
57°
28
79°
57°
29
78°
56°
30
78°
57°
1
77°
56°
2
77°
56°
3
76°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in La Harpe
La Harpe's September 2026 forecast shows daily high temperatures ranging from 76° to 97°, with overnight lows between 55° and 73°. The average high for September is 83° with an average low of 61°. 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 La Harpe. See also: October | November | December.
