S
M
T
W
T
F
S
30
86°
58°
31
84°
55°
1
81°
54°
2
80°
56°
3
81°
56°
4
81°
57°
5
86°
60°
6
80°
62°
7
86°
60°
8
83°
54°
9
78°
53°
10
78°
53°
11
77°
54°
12
78°
54°
13
77°
53°
14
76°
52°
15
77°
54°
16
78°
56°
17
77°
51°
18
78°
56°
19
81°
58°
20
81°
57°
21
Hist. Avg.
80°
57°
22
Hist. Avg.
79°
56°
23
Hist. Avg.
79°
56°
24
Hist. Avg.
78°
55°
25
Hist. Avg.
78°
55°
26
Hist. Avg.
78°
55°
27
Hist. Avg.
77°
54°
28
Hist. Avg.
77°
54°
29
Hist. Avg.
76°
53°
30
Hist. Avg.
76°
53°
1
Hist. Avg.
76°
52°
2
Hist. Avg.
75°
52°
3
Hist. Avg.
75°
52°
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 76° to 86°, with overnight lows between 51° and 62°. The average high for September is 80° with an average low of 56°. 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.
