S
M
T
W
T
F
S
30
88°
80°
31
94°
79°
1
91°
75°
2
86°
77°
3
91°
75°
4
93°
77°
5
92°
77°
6
91°
77°
7
94°
78°
8
93°
77°
9
90°
79°
10
89°
77°
11
90°
78°
12
87°
75°
13
86°
75°
14
87°
76°
15
85°
75°
16
86°
75°
17
86°
74°
18
85°
75°
19
85°
75°
20
86°
74°
21
84°
75°
22
85°
75°
23
85°
74°
24
84°
75°
25
84°
75°
26
85°
74°
27
84°
75°
28
85°
75°
29
84°
74°
30
85°
74°
1
86°
75°
2
85°
75°
3
86°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Vega Baja
Vega Baja's September 2026 forecast shows daily high temperatures ranging from 84° to 94°, with overnight lows between 74° and 79°. The average high for September is 87° with an average low of 76°. 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.
