S
M
T
W
T
F
S
30
82°
64°
31
82°
64°
1
81°
59°
2
75°
56°
3
74°
58°
4
74°
56°
5
75°
55°
6
78°
62°
7
81°
62°
8
80°
61°
9
77°
62°
10
80°
62°
11
81°
61°
12
80°
62°
13
81°
63°
14
81°
52°
15
73°
52°
16
70°
53°
17
73°
52°
18
71°
50°
19
70°
51°
20
70°
51°
21
77°
53°
22
77°
57°
23
76°
49°
24
76°
48°
25
71°
48°
26
70°
49°
27
74°
55°
28
74°
54°
29
73°
46°
30
68°
46°
1
66°
50°
2
68°
50°
3
71°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Newburgh
Newburgh's September 2026 forecast shows daily high temperatures ranging from 66° to 82°, with overnight lows between 46° and 64°. The average high for September is 75° with an average low of 55°. 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 Newburgh. See also: October | November | December.
