S
M
T
W
T
F
S
30
82°
72°
31
82°
71°
1
83°
70°
2
82°
71°
3
82°
72°
4
83°
72°
5
82°
71°
6
82°
71°
7
83°
70°
8
82°
72°
9
82°
72°
10
83°
70°
11
82°
72°
12
82°
71°
13
83°
72°
14
84°
69°
15
84°
70°
16
85°
70°
17
84°
69°
18
84°
70°
19
85°
70°
20
85°
71°
21
84°
70°
22
85°
70°
23
85°
69°
24
84°
70°
25
85°
70°
26
84°
68°
27
85°
69°
28
84°
70°
29
85°
69°
30
84°
70°
1
84°
70°
2
85°
69°
3
85°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in La Plena
La Plena's September 2026 forecast shows daily high temperatures ranging from 82° to 85°, with overnight lows between 68° and 72°. The average high for September is 84° with an average low of 70°. 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 La Plena. See also: October | November | December.
