S
M
T
W
T
F
S
30
81°
49°
31
72°
48°
1
72°
50°
2
73°
54°
3
71°
48°
4
73°
56°
5
78°
54°
6
78°
48°
7
74°
47°
8
70°
47°
9
70°
45°
10
71°
53°
11
74°
45°
12
69°
46°
13
68°
45°
14
69°
52°
15
74°
51°
16
75°
43°
17
75°
42°
18
66°
42°
19
65°
44°
20
65°
45°
21
66°
45°
22
63°
42°
23
64°
48°
24
65°
48°
25
66°
47°
26
71°
49°
27
70°
42°
28
70°
39°
29
62°
40°
30
63°
47°
1
62°
48°
2
66°
45°
3
68°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Narrowsburg
Narrowsburg's September 2026 forecast shows daily high temperatures ranging from 62° to 81°, with overnight lows between 39° and 56°. The average high for September is 70° with an average low of 47°. 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 Narrowsburg. See also: October | November | December.
