S
M
T
W
T
F
S
30
82°
62°
31
83°
61°
1
85°
61°
2
84°
57°
3
81°
61°
4
82°
61°
5
83°
60°
6
78°
60°
7
78°
59°
8
78°
53°
9
78°
51°
10
76°
59°
11
78°
59°
12
82°
58°
13
82°
59°
14
80°
57°
15
81°
58°
16
73°
50°
17
74°
55°
18
Hist. Avg.
75°
50°
19
Hist. Avg.
74°
50°
20
Hist. Avg.
74°
50°
21
Hist. Avg.
74°
49°
22
Hist. Avg.
73°
49°
23
Hist. Avg.
73°
49°
24
Hist. Avg.
73°
48°
25
Hist. Avg.
72°
48°
26
Hist. Avg.
72°
47°
27
Hist. Avg.
71°
47°
28
Hist. Avg.
71°
46°
29
Hist. Avg.
71°
46°
30
Hist. Avg.
70°
46°
1
Hist. Avg.
70°
45°
2
Hist. Avg.
69°
45°
3
Hist. Avg.
69°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in New Harrison
New Harrison's September 2026 forecast shows daily high temperatures ranging from 73° to 85°, with overnight lows between 50° and 62°. The average high for September is 80° with an average low of 58°. 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 New Harrison. See also: October | November | December.
