S
M
T
W
T
F
S
30
102°
76°
31
101°
75°
1
101°
74°
2
101°
74°
3
99°
77°
4
99°
75°
5
101°
72°
6
102°
71°
7
101°
74°
8
102°
76°
9
103°
75°
10
84°
67°
11
89°
64°
12
86°
66°
13
83°
66°
14
95°
71°
15
97°
72°
16
97°
75°
17
94°
72°
18
94°
75°
19
93°
70°
20
83°
65°
21
78°
59°
22
74°
58°
23
76°
56°
24
81°
58°
25
79°
58°
26
82°
59°
27
83°
58°
28
76°
53°
29
76°
60°
30
73°
60°
1
78°
59°
2
79°
60°
3
79°
58°
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 73° to 97°, with overnight lows between 53° and 75°. The average high for September is 83° with an average low of 62°. 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.
