S
M
T
W
T
F
S
30
64°
50°
31
65°
50°
1
64°
51°
2
64°
52°
3
65°
48°
4
66°
49°
5
63°
50°
6
66°
52°
7
67°
53°
8
66°
52°
9
65°
51°
10
65°
53°
11
64°
54°
12
67°
54°
13
67°
53°
14
66°
52°
15
66°
50°
16
62°
49°
17
61°
50°
18
62°
47°
19
61°
47°
20
60°
45°
21
61°
46°
22
60°
47°
23
61°
48°
24
60°
49°
25
59°
51°
26
60°
51°
27
63°
48°
28
63°
47°
29
59°
46°
30
58°
46°
1
58°
45°
2
59°
45°
3
58°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Newry
Newry's September 2026 forecast shows daily high temperatures ranging from 58° to 67°, with overnight lows between 45° and 54°. The average high for September is 63° with an average low of 49°. 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 Newry. See also: October | November | December.
