Measurements:
°C
°F
CURRENT WEATHER
17:33
Arecibo
86°F
W 22 mph
Feels like: 96°F
Precip: 29%
World Resorts Puerto Rico Arecibo Weather

7 Day Weather Forecast

09.08
tue
DAY
90°F
SW 18 mph
precip
19%
NIGHT
80°F
NW 11 mph
precip
11%
09.09
wed
DAY
92°F
W 19 mph
precip
11%
NIGHT
82°F
W 11 mph
precip
24%
09.10
thu
DAY
92°F
SW 20 mph
precip
12%
NIGHT
82°F
W 10 mph
precip
16%
09.11
fri
DAY
92°F
W 20 mph
precip
12%
NIGHT
80°F
NW 10 mph
precip
25%
09.12
sat
DAY
92°F
SW 21 mph
precip
15%
NIGHT
84°F
W 16 mph
precip
27%
09.13
sun
DAY
90°F
SW 22 mph
precip
22%
NIGHT
82°F
W 13 mph
precip
22%
09.14
mon
DAY
88°F
SW 18 mph
precip
48%
NIGHT
80°F
W 11 mph
precip
17%

Arecibo Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Arecibo was 29.9°F. The maximum and minimum values were 29.6°F and 30.1°F respectively.

Arecibo on the Weather Map

Best Time to Visit Arecibo
The most sunny months:
June 11 days
January 10 days
March 9 days
The most warm months:
September 91.2 °F
August 91.0 °F
July 90.6 °F
Warmest sea temperature:
October 88.7 °F
September 88.7 °F
August 87.8 °F
The most cold months:
February 84.3 °F
January 84.4 °F
March 84.7 °F
The most rainy months:
May 9 days
September 7 days
June 6 days
The most windy months:
July 12 mph
February 11 mph
August 11 mph
more details