S
M
T
W
T
F
S
30
83°
60°
31
84°
61°
1
85°
61°
2
85°
58°
3
79°
58°
4
84°
60°
5
80°
59°
6
78°
58°
7
78°
59°
8
79°
56°
9
77°
51°
10
76°
52°
11
78°
59°
12
83°
58°
13
81°
59°
14
75°
57°
15
81°
57°
16
81°
58°
17
Hist. Avg.
76°
54°
18
Hist. Avg.
76°
54°
19
Hist. Avg.
76°
54°
20
Hist. Avg.
76°
53°
21
Hist. Avg.
75°
53°
22
Hist. Avg.
75°
53°
23
Hist. Avg.
74°
52°
24
Hist. Avg.
74°
52°
25
Hist. Avg.
74°
52°
26
Hist. Avg.
73°
51°
27
Hist. Avg.
73°
51°
28
Hist. Avg.
72°
50°
29
Hist. Avg.
72°
50°
30
Hist. Avg.
72°
50°
1
Hist. Avg.
71°
49°
2
Hist. Avg.
71°
49°
3
Hist. Avg.
70°
48°
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 75° to 85°, with overnight lows between 51° and 61°. The average high for September is 80° with an average low of 58°. 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.
