S
M
T
W
T
F
S
30
71°
56°
31
72°
53°
1
72°
51°
2
71°
49°
3
71°
53°
4
70°
50°
5
71°
50°
6
69°
48°
7
67°
50°
8
69°
51°
9
70°
54°
10
69°
51°
11
69°
48°
12
67°
48°
13
71°
54°
14
68°
52°
15
69°
49°
16
Hist. Avg.
65°
49°
17
Hist. Avg.
65°
49°
18
Hist. Avg.
65°
49°
19
Hist. Avg.
64°
49°
20
Hist. Avg.
64°
48°
21
Hist. Avg.
64°
48°
22
Hist. Avg.
64°
48°
23
Hist. Avg.
63°
47°
24
Hist. Avg.
63°
47°
25
Hist. Avg.
63°
47°
26
Hist. Avg.
62°
47°
27
Hist. Avg.
62°
46°
28
Hist. Avg.
62°
46°
29
Hist. Avg.
61°
46°
30
Hist. Avg.
61°
46°
1
Hist. Avg.
61°
45°
2
Hist. Avg.
60°
45°
3
Hist. Avg.
60°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Upper Hammonds Plains
Upper Hammonds Plains's September 2026 forecast shows daily high temperatures ranging from 67° to 72°, with overnight lows between 48° and 56°. The average high for September is 70° with an average low of 51°. 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 Upper Hammonds Plains. See also: October | November | December.