S
M
T
W
T
F
S
30
77°
55°
31
78°
58°
1
82°
56°
2
83°
60°
3
82°
60°
4
82°
54°
5
77°
55°
6
77°
54°
7
78°
57°
8
80°
59°
9
77°
57°
10
76°
58°
11
80°
57°
12
81°
58°
13
81°
58°
14
80°
57°
15
81°
57°
16
80°
58°
17
79°
56°
18
79°
50°
19
76°
51°
20
75°
47°
21
72°
48°
22
72°
52°
23
76°
52°
24
77°
47°
25
74°
47°
26
76°
53°
27
74°
51°
28
71°
51°
29
74°
50°
30
75°
50°
1
73°
48°
2
74°
49°
3
75°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Smithfield
Smithfield's September 2026 forecast shows daily high temperatures ranging from 71° to 83°, with overnight lows between 47° and 60°. The average high for September is 77° with an average low of 54°. 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.
