S
M
T
W
T
F
S
30
87°
69°
31
86°
68°
1
86°
69°
2
85°
68°
3
86°
69°
4
86°
66°
5
84°
67°
6
86°
68°
7
86°
68°
8
85°
67°
9
86°
69°
10
85°
68°
11
83°
68°
12
84°
69°
13
84°
68°
14
83°
68°
15
83°
69°
16
84°
68°
17
84°
67°
18
83°
68°
19
85°
66°
20
83°
67°
21
79°
66°
22
81°
62°
23
83°
61°
24
78°
62°
25
78°
64°
26
79°
64°
27
79°
63°
28
77°
62°
29
76°
61°
30
77°
62°
1
78°
64°
2
80°
57°
3
78°
56°
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 76° to 87°, with overnight lows between 56° and 69°. The average high for September is 82° with an average low of 66°. 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.
