S
M
T
W
T
F
S
30
80°
54°
31
77°
64°
1
87°
68°
2
70°
66°
3
84°
66°
4
83°
60°
5
79°
56°
6
75°
53°
7
79°
55°
8
75°
56°
9
77°
62°
10
78°
55°
11
71°
53°
12
73°
53°
13
74°
54°
14
77°
55°
15
80°
56°
16
78°
51°
17
70°
48°
18
67°
47°
19
74°
52°
20
74°
53°
21
73°
51°
22
73°
52°
23
67°
53°
24
72°
50°
25
70°
48°
26
72°
53°
27
72°
51°
28
68°
46°
29
62°
43°
30
64°
45°
1
62°
41°
2
61°
46°
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 84°, with overnight lows between 41° and 66°. The average high for September is 72° with an average low of 52°. 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.
