S
M
T
W
T
F
S
30
94°
74°
31
93°
72°
1
93°
72°
2
92°
73°
3
93°
72°
4
91°
71°
5
90°
72°
6
89°
73°
7
90°
73°
8
91°
69°
9
91°
69°
10
90°
71°
11
91°
71°
12
91°
70°
13
91°
72°
14
91°
71°
15
Hist. Avg.
89°
69°
16
Hist. Avg.
89°
69°
17
Hist. Avg.
89°
69°
18
Hist. Avg.
88°
69°
19
Hist. Avg.
88°
68°
20
Hist. Avg.
88°
68°
21
Hist. Avg.
88°
68°
22
Hist. Avg.
88°
67°
23
Hist. Avg.
87°
67°
24
Hist. Avg.
87°
67°
25
Hist. Avg.
87°
66°
26
Hist. Avg.
87°
66°
27
Hist. Avg.
86°
66°
28
Hist. Avg.
86°
65°
29
Hist. Avg.
86°
65°
30
Hist. Avg.
86°
65°
1
Hist. Avg.
86°
64°
2
Hist. Avg.
85°
64°
3
Hist. Avg.
85°
64°
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 89° to 94°, with overnight lows between 69° and 74°. The average high for September is 91° with an average low of 72°. 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.
