S
M
T
W
T
F
S
30
88°
75°
31
89°
75°
1
89°
73°
2
88°
75°
3
87°
75°
4
89°
74°
5
88°
75°
6
89°
74°
7
88°
75°
8
88°
75°
9
87°
74°
10
88°
75°
11
87°
75°
12
88°
74°
13
87°
74°
14
87°
73°
15
86°
74°
16
87°
74°
17
86°
73°
18
87°
74°
19
86°
73°
20
87°
74°
21
86°
73°
22
86°
73°
23
87°
74°
24
88°
75°
25
Hist. Avg.
89°
76°
26
Hist. Avg.
89°
76°
27
Hist. Avg.
89°
76°
28
Hist. Avg.
89°
75°
29
Hist. Avg.
89°
75°
30
Hist. Avg.
89°
75°
1
Hist. Avg.
89°
75°
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
*Temporarily Unavailable
September Weather in Vega Baja
Vega Baja's September 2026 forecast shows daily high temperatures ranging from 86° to 89°, with overnight lows between 73° and 75°. The average high for September is 87° 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 Vega Baja. See also: October | November | December.
