S
M
T
W
T
F
S
30
87°
75°
31
85°
74°
1
86°
73°
2
86°
74°
3
87°
75°
4
87°
75°
5
88°
74°
6
87°
74°
7
87°
73°
8
88°
75°
9
87°
75°
10
87°
74°
11
88°
75°
12
87°
75°
13
88°
74°
14
90°
72°
15
90°
73°
16
91°
73°
17
90°
74°
18
90°
74°
19
91°
73°
20
90°
75°
21
90°
74°
22
89°
74°
23
90°
73°
24
90°
74°
25
89°
74°
26
89°
72°
27
90°
73°
28
89°
74°
29
90°
73°
30
89°
74°
1
89°
74°
2
90°
73°
3
90°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Trujillo Alto
Trujillo Alto's September 2026 forecast shows daily high temperatures ranging from 85° to 91°, with overnight lows between 72° and 75°. The average high for September is 89° with an average low of 74°. 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 Trujillo Alto. See also: October | November | December.
