S
M
T
W
T
F
S
30
79°
62°
31
79°
60°
1
77°
58°
2
76°
53°
3
77°
55°
4
76°
57°
5
78°
58°
6
78°
56°
7
77°
52°
8
74°
50°
9
68°
50°
10
69°
59°
11
73°
51°
12
75°
57°
13
75°
56°
14
73°
56°
15
75°
57°
16
66°
52°
17
Hist. Avg.
70°
51°
18
Hist. Avg.
70°
50°
19
Hist. Avg.
69°
50°
20
Hist. Avg.
69°
50°
21
Hist. Avg.
68°
49°
22
Hist. Avg.
68°
49°
23
Hist. Avg.
68°
48°
24
Hist. Avg.
67°
48°
25
Hist. Avg.
67°
47°
26
Hist. Avg.
66°
47°
27
Hist. Avg.
66°
47°
28
Hist. Avg.
65°
46°
29
Hist. Avg.
65°
46°
30
Hist. Avg.
64°
45°
1
Hist. Avg.
64°
45°
2
Hist. Avg.
64°
44°
3
Hist. Avg.
63°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Porterfield
Porterfield's September 2026 forecast shows daily high temperatures ranging from 66° to 79°, with overnight lows between 50° and 62°. The average high for September is 75° 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 Porterfield. See also: October | November | December.
