S
M
T
W
T
F
S
30
87°
70°
31
93°
66°
1
95°
69°
2
97°
71°
3
98°
74°
4
97°
73°
5
98°
70°
6
89°
68°
7
86°
67°
8
87°
61°
9
90°
61°
10
94°
66°
11
96°
71°
12
86°
69°
13
89°
72°
14
92°
68°
15
85°
67°
16
88°
64°
17
91°
60°
18
96°
72°
19
91°
72°
20
91°
70°
21
94°
68°
22
86°
68°
23
68°
61°
24
62°
57°
25
75°
51°
26
80°
48°
27
80°
49°
28
80°
54°
29
85°
56°
30
85°
60°
1
85°
62°
2
87°
67°
3
83°
68°
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 80° to 87°, with overnight lows between 48° and 68°. The average high for September is 83° with an average low of 58°. 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.
