S
M
T
W
T
F
S
30
83°
64°
31
84°
66°
1
87°
68°
2
87°
68°
3
86°
67°
4
87°
68°
5
87°
68°
6
86°
67°
7
82°
67°
8
86°
66°
9
85°
63°
10
86°
62°
11
82°
66°
12
84°
65°
13
85°
66°
14
83°
64°
15
85°
66°
16
85°
66°
17
Hist. Avg.
82°
62°
18
Hist. Avg.
82°
62°
19
Hist. Avg.
81°
62°
20
Hist. Avg.
81°
61°
21
Hist. Avg.
81°
61°
22
Hist. Avg.
80°
61°
23
Hist. Avg.
80°
60°
24
Hist. Avg.
80°
60°
25
Hist. Avg.
79°
60°
26
Hist. Avg.
79°
59°
27
Hist. Avg.
79°
59°
28
Hist. Avg.
78°
58°
29
Hist. Avg.
78°
58°
30
Hist. Avg.
78°
58°
1
Hist. Avg.
77°
57°
2
Hist. Avg.
77°
57°
3
Hist. Avg.
77°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Smithfield
Smithfield's September 2026 forecast shows daily high temperatures ranging from 82° to 87°, with overnight lows between 62° and 68°. The average high for September is 85° 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 Smithfield. See also: October | November | December.
