S
M
T
W
T
F
S
30
71°
54°
31
72°
51°
1
70°
54°
2
71°
51°
3
68°
51°
4
67°
50°
5
67°
47°
6
69°
48°
7
70°
54°
8
68°
55°
9
67°
53°
10
67°
50°
11
68°
51°
12
69°
54°
13
72°
55°
14
73°
56°
15
74°
55°
16
74°
48°
17
71°
50°
18
68°
52°
19
68°
57°
20
74°
58°
21
76°
50°
22
74°
48°
23
68°
50°
24
69°
54°
25
72°
50°
26
69°
50°
27
69°
51°
28
70°
54°
29
69°
50°
30
69°
51°
1
70°
51°
2
70°
52°
3
72°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Harris Park
Harris Park's September 2026 forecast shows daily high temperatures ranging from 67° to 76°, with overnight lows between 47° and 58°. The average high for September is 70° with an average low of 52°. 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 Harris Park. See also: October | November | December.
