S
M
T
W
T
F
S
30
73°
54°
31
73°
54°
1
69°
52°
2
68°
50°
3
68°
49°
4
69°
50°
5
68°
49°
6
70°
52°
7
70°
49°
8
71°
52°
9
71°
54°
10
70°
53°
11
67°
52°
12
65°
52°
13
67°
50°
14
66°
47°
15
65°
46°
16
64°
46°
17
64°
47°
18
65°
51°
19
64°
48°
20
63°
46°
21
63°
46°
22
64°
51°
23
67°
51°
24
67°
50°
25
66°
45°
26
64°
45°
27
62°
49°
28
61°
50°
29
62°
49°
30
61°
45°
1
61°
47°
2
60°
44°
3
60°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Newport
Newport's September 2026 forecast shows daily high temperatures ranging from 60° to 73°, with overnight lows between 44° and 54°. The average high for September is 66° 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 Newport. See also: October | November | December.
