S
M
T
W
T
F
S
30
84°
65°
31
85°
67°
1
89°
69°
2
89°
69°
3
88°
68°
4
88°
64°
5
84°
62°
6
83°
63°
7
84°
64°
8
84°
68°
9
85°
66°
10
84°
67°
11
87°
66°
12
88°
67°
13
88°
67°
14
87°
66°
15
88°
67°
16
87°
67°
17
87°
66°
18
86°
65°
19
86°
64°
20
85°
59°
21
80°
64°
22
80°
63°
23
79°
62°
24
84°
58°
25
81°
57°
26
78°
62°
27
80°
59°
28
78°
57°
29
82°
60°
30
82°
61°
1
81°
60°
2
81°
59°
3
77°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in West Smithfield
West Smithfield's September 2026 forecast shows daily high temperatures ranging from 77° to 89°, with overnight lows between 57° and 69°. The average high for September is 84° with an average low of 64°. 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 West Smithfield. See also: October | November | December.
