S
M
T
W
T
F
S
30
77°
55°
31
78°
48°
1
82°
48°
2
74°
47°
3
72°
47°
4
73°
48°
5
73°
52°
6
77°
59°
7
82°
50°
8
84°
47°
9
74°
49°
10
73°
48°
11
74°
58°
12
76°
47°
13
75°
43°
14
71°
51°
15
72°
57°
16
80°
49°
17
80°
43°
18
70°
45°
19
70°
46°
20
76°
48°
21
69°
54°
22
73°
54°
23
78°
51°
24
78°
50°
25
73°
52°
26
75°
52°
27
76°
51°
28
77°
52°
29
76°
52°
30
76°
49°
1
75°
39°
2
74°
38°
3
61°
37°
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 61° to 84°, with overnight lows between 37° and 59°. The average high for September is 75° 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.
