S
M
T
W
T
F
S
30
71°
54°
31
71°
55°
1
70°
54°
2
67°
51°
3
64°
49°
4
65°
49°
5
65°
50°
6
68°
53°
7
69°
52°
8
69°
52°
9
70°
54°
10
70°
53°
11
68°
52°
12
66°
52°
13
67°
50°
14
64°
47°
15
63°
47°
16
62°
46°
17
62°
47°
18
63°
50°
19
62°
47°
20
61°
45°
21
61°
46°
22
62°
51°
23
62°
50°
24
65°
47°
25
64°
46°
26
61°
47°
27
60°
49°
28
59°
50°
29
60°
49°
30
59°
45°
1
59°
44°
2
58°
43°
3
58°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Harlaxton
Harlaxton's September 2026 forecast shows daily high temperatures ranging from 58° to 71°, with overnight lows between 42° and 55°. The average high for September is 64° with an average low of 49°. 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 Harlaxton. See also: October | November | December.