S
M
T
W
T
F
S
30
80°
55°
31
74°
64°
1
70°
60°
2
74°
59°
3
79°
65°
4
83°
66°
5
77°
61°
6
70°
51°
7
80°
53°
8
83°
60°
9
77°
70°
10
83°
59°
11
75°
54°
12
73°
59°
13
75°
64°
14
77°
61°
15
73°
55°
16
72°
54°
17
69°
55°
18
70°
56°
19
71°
55°
20
74°
58°
21
74°
59°
22
68°
58°
23
68°
58°
24
69°
57°
25
70°
56°
26
71°
56°
27
67°
53°
28
67°
56°
29
72°
57°
30
73°
57°
1
72°
56°
2
71°
57°
3
71°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Ashaway
Ashaway's September 2026 forecast shows daily high temperatures ranging from 67° to 83°, with overnight lows between 51° and 70°. The average high for September is 73° with an average low of 57°. 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 Ashaway. See also: October | November | December.
