S
M
T
W
T
F
S
30
84°
59°
31
77°
64°
1
69°
59°
2
76°
60°
3
81°
65°
4
85°
67°
5
76°
63°
6
71°
52°
7
80°
56°
8
83°
60°
9
77°
69°
10
84°
60°
11
77°
55°
12
75°
60°
13
77°
61°
14
80°
60°
15
76°
58°
16
73°
55°
17
70°
56°
18
72°
57°
19
71°
55°
20
74°
58°
21
71°
59°
22
68°
58°
23
68°
59°
24
70°
57°
25
70°
57°
26
71°
56°
27
66°
53°
28
68°
56°
29
73°
57°
30
74°
56°
1
72°
56°
2
71°
55°
3
70°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cranston
Cranston's September 2026 forecast shows daily high temperatures ranging from 66° to 84°, with overnight lows between 52° and 69°. 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 Cranston. See also: October | November | December.
