S
M
T
W
T
F
S
30
81°
54°
31
79°
61°
1
67°
59°
2
77°
59°
3
80°
62°
4
83°
63°
5
73°
60°
6
69°
54°
7
78°
54°
8
78°
53°
9
79°
57°
10
84°
65°
11
75°
52°
12
76°
50°
13
70°
59°
14
73°
49°
15
72°
46°
16
77°
50°
17
78°
62°
18
78°
60°
19
67°
50°
20
62°
51°
21
68°
50°
22
64°
46°
23
66°
46°
24
64°
46°
25
N/A
26
58°
54°
27
61°
56°
28
N/A
29
64°
54°
30
69°
55°
1
76°
62°
2
82°
55°
3
70°
46°
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 70° to 82°, with overnight lows between 46° and 62°. The average high for September is 76° 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.
