S
M
T
W
T
F
S
30
93°
66°
31
95°
72°
1
99°
73°
2
98°
73°
3
99°
73°
4
100°
73°
5
102°
75°
6
91°
69°
7
88°
61°
8
92°
62°
9
96°
74°
10
80°
72°
11
83°
69°
12
89°
68°
13
89°
68°
14
90°
66°
15
95°
71°
16
92°
72°
17
88°
66°
18
83°
60°
19
74°
56°
20
81°
61°
21
77°
58°
22
79°
60°
23
80°
57°
24
84°
64°
25
83°
62°
26
82°
61°
27
83°
62°
28
83°
62°
29
82°
61°
30
82°
61°
1
80°
59°
2
79°
59°
3
81°
60°
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 74° to 95°, with overnight lows between 56° and 72°. The average high for September is 83° 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 Newburgh. See also: October | November | December.
