Measurements:
°C
°F
Quepos
82°F
N 2 mph
Feels like: 86°F
Precip: 23%
World Resorts Costa Rica Quepos Weather

7 Day Weather Forecast

09.28
mon
DAY
88°F
N 7 mph
precip
20%
NIGHT
80°F
SW 2 mph
precip
26%
09.29
tue
DAY
88°F
N 6 mph
precip
13%
NIGHT
80°F
SW 2 mph
precip
13%
09.30
wed
DAY
88°F
NE 6 mph
precip
22%
NIGHT
80°F
SW 2 mph
precip
24%
10.01
thu
DAY
88°F
N 8 mph
precip
17%
NIGHT
80°F
SW 2 mph
precip
28%
10.02
fri
DAY
86°F
N 7 mph
precip
34%
NIGHT
80°F
SW 2 mph
precip
30%
10.03
sat
DAY
90°F
N 8 mph
precip
17%
NIGHT
80°F
W 4 mph
precip
34%
10.04
sun
DAY
88°F
N 8 mph
precip
18%
NIGHT
78°F
SW 2 mph
precip
87%

Quepos Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Quepos was 30.2°F. The maximum and minimum values were 29.5°F and 30.6°F respectively.

Quepos on the Weather Map

Best Time to Visit Quepos
The most sunny months:
February 8 days
March 8 days
January 5 days
The most warm months:
March 89.0 °F
April 88.8 °F
February 88.2 °F
Warmest sea temperature:
April 90.2 °F
March 89.9 °F
May 89.6 °F
The most cold months:
November 82.5 °F
October 83.8 °F
August 84.0 °F
The most rainy months:
August 21 days
October 21 days
July 20 days
The most windy months:
March 4 mph
February 4 mph
April 4 mph