Measurements:
°C
°F
CURRENT WEATHER
04:23
Cartago
60°F
W 3 mph
Feels like: 60°F
Precip: 31%
World Resorts Costa Rica Cartago Weather

7 Day Weather Forecast

09.07
mon
DAY
74°F
E 2 mph
precip
69%
NIGHT
62°F
SW 6 mph
precip
49%
09.08
tue
DAY
78°F
SW 4 mph
precip
38%
NIGHT
62°F
SW 6 mph
precip
28%
09.09
wed
DAY
78°F
S 3 mph
precip
36%
NIGHT
62°F
SW 6 mph
precip
30%
09.10
thu
DAY
78°F
SW 4 mph
precip
17%
NIGHT
62°F
W 5 mph
precip
30%
09.11
fri
DAY
72°F
S 2 mph
precip
69%
NIGHT
62°F
W 4 mph
precip
31%
09.12
sat
DAY
74°F
SE 2 mph
precip
63%
NIGHT
62°F
W 2 mph
precip
33%
09.13
sun
DAY
72°F
E 2 mph
precip
66%
NIGHT
62°F
W 1 mph
precip
51%

Cartago Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Cartago was 28.8°F. The maximum and minimum values were 28.5°F and 29.2°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:
September 26 days
October 25 days
June 25 days
The most windy months:
February 5 mph
January 5 mph
March 4 mph
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