S
M
T
W
T
F
S
30
89°
70°
31
90°
70°
1
89°
69°
2
90°
70°
3
87°
67°
4
83°
66°
5
83°
64°
6
85°
65°
7
88°
68°
8
89°
69°
9
89°
69°
10
88°
68°
11
89°
69°
12
89°
69°
13
87°
68°
14
88°
66°
15
89°
66°
16
88°
63°
17
85°
65°
18
79°
58°
19
81°
56°
20
79°
56°
21
78°
58°
22
80°
60°
23
80°
62°
24
84°
55°
25
81°
55°
26
77°
54°
27
77°
56°
28
81°
57°
29
79°
61°
30
82°
55°
1
78°
59°
2
80°
59°
3
81°
58°
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 77° to 90°, with overnight lows between 54° and 70°. The average high for September is 84° with an average low of 63°. 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.
