S
M
T
W
T
F
S
30
61°
48°
31
64°
50°
1
68°
55°
2
64°
52°
3
62°
48°
4
60°
46°
5
N/A
6
64°
51°
7
59°
40°
8
62°
44°
9
57°
45°
10
60°
44°
11
64°
45°
12
73°
57°
13
76°
60°
14
74°
53°
15
70°
52°
16
67°
51°
17
66°
49°
18
66°
49°
19
62°
46°
20
64°
54°
21
65°
54°
22
63°
51°
23
62°
48°
24
63°
54°
25
70°
56°
26
71°
54°
27
65°
48°
28
64°
54°
29
64°
49°
30
71°
55°
1
68°
53°
2
73°
55°
3
68°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Lower Plenty
Lower Plenty's September 2026 forecast shows daily high temperatures ranging from 57° to 76°, with overnight lows between 40° and 60°. The average high for September is 66° 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 Lower Plenty. See also: October | November | December.
