S
M
T
W
T
F
S
30
79°
51°
31
82°
51°
1
78°
46°
2
71°
44°
3
72°
44°
4
76°
48°
5
78°
47°
6
70°
39°
7
69°
41°
8
72°
40°
9
77°
43°
10
80°
49°
11
80°
48°
12
79°
48°
13
78°
47°
14
74°
41°
15
75°
42°
16
75°
43°
17
76°
44°
18
80°
47°
19
79°
45°
20
78°
41°
21
75°
44°
22
76°
45°
23
78°
45°
24
77°
44°
25
75°
46°
26
76°
48°
27
76°
47°
28
77°
44°
29
66°
42°
30
65°
44°
1
65°
40°
2
60°
38°
3
57°
40°
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 57° to 82°, with overnight lows between 38° and 51°. The average high for September is 74° with an average low of 44°. 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.
