S
M
T
W
T
F
S
30
89°
79°
31
89°
79°
1
88°
78°
2
89°
79°
3
89°
78°
4
88°
78°
5
88°
78°
6
89°
77°
7
89°
78°
8
88°
78°
9
89°
77°
10
89°
77°
11
88°
78°
12
89°
76°
13
88°
78°
14
88°
78°
15
89°
77°
16
88°
77°
17
88°
76°
18
89°
78°
19
89°
78°
20
88°
79°
21
89°
78°
22
88°
78°
23
89°
77°
24
88°
78°
25
89°
78°
26
88°
77°
27
90°
78°
28
89°
77°
29
89°
77°
30
88°
78°
1
88°
78°
2
Hist. Avg.
89°
75°
3
Hist. Avg.
89°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Loíza
Loíza's September 2026 forecast shows daily high temperatures ranging from 88° to 90°, with overnight lows between 76° and 79°. The average high for September is 89° with an average low of 78°. 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 Loíza. See also: October | November | December.
