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
96°
75°
16
97°
74°
17
96°
73°
18
94°
73°
19
96°
70°
20
84°
65°
21
78°
61°
22
78°
62°
23
79°
59°
24
76°
58°
25
79°
58°
26
82°
61°
27
85°
62°
28
84°
60°
29
76°
53°
30
73°
60°
1
78°
59°
2
72°
59°
3
75°
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 72° to 97°, with overnight lows between 53° and 74°. The average high for September is 82° with an average low of 63°. 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.
