Measurements:
°C
°F
CURRENT WEATHER
16:41
Cartago
64°F
W 2 mph
Feels like: 64°F
Precip: 83%
World Resorts Costa Rica Cartago Weather

7 Day Weather Forecast

09.28
mon
DAY
70°F
E 4 mph
precip
73%
NIGHT
60°F
W 4 mph
precip
31%
09.29
tue
DAY
72°F
E 4 mph
precip
67%
NIGHT
64°F
NW 1 mph
precip
29%
09.30
wed
DAY
70°F
NE 4 mph
precip
72%
NIGHT
62°F
W 2 mph
precip
15%
10.01
thu
DAY
74°F
NE 6 mph
precip
40%
NIGHT
64°F
W 2 mph
precip
73%
10.02
fri
DAY
72°F
NE 3 mph
precip
74%
NIGHT
62°F
NW 2 mph
precip
85%
10.03
sat
DAY
72°F
E 2 mph
precip
76%
NIGHT
62°F
N 1 mph
precip
48%
10.04
sun
DAY
72°F
SE 2 mph
precip
67%
NIGHT
62°F
N 2 mph
precip
76%

Cartago Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Cartago was 30.2°F. The maximum and minimum values were 29.6°F and 30.5°F respectively.

Cartago on the Weather Map

Best Time to Visit Cartago
The most sunny months:
February 11 days
January 10 days
March 9 days
The most warm months:
March 77.8 °F
April 77.4 °F
February 76.2 °F
Warmest sea temperature:
April 89.7 °F
March 89.4 °F
May 89.1 °F
The most cold months:
November 72.7 °F
October 72.9 °F
December 73.6 °F
The most rainy months:
October 25 days
September 25 days
June 25 days
The most windy months:
February 5 mph
January 5 mph
March 4 mph
more details