World Resorts Costa Rica Cartago Weather

Cartago 7 Days Forecast

16.09
wed
Day
73°F
SW 5 mph
Precip.
57%
Night
61°F
W 4 mph
Precip.
26%
17.09
thu
Day
72°F
SE 2 mph
Precip.
57%
Night
61°F
SW 6 mph
Precip.
31%
18.09
fri
Day
72°F
SE 2 mph
Precip.
35%
Night
61°F
W 4 mph
Precip.
22%
19.09
sat
Day
70°F
E 3 mph
Precip.
56%
Night
63°F
W 3 mph
Precip.
39%
20.09
sun
Day
68°F
E 2 mph
Precip.
79%
Night
63°F
NW 2 mph
Precip.
87%
21.09
mon
Day
70°F
NE 4 mph
Precip.
59%
Night
61°F
W 4 mph
Precip.
38%
22.09
tue
Day
64°F
NE 2 mph
Precip.
52%
Night
61°F
N 2 mph
Precip.
48%

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 86.4°F. The highest and lowest sea temperatures during the month were 86.9°F and 85.3°F.

Air temperature in Cartago, °F

Precipitation total in Cartago, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Cartago

Sunniest months:
February 11 days
January 10 days
March 9 days
Warmest months:
March 75.1 °F
April 74.6 °F
February 73.6 °F
Warmest sea temp:
April 85.8 °F
March 85.5 °F
May 85.2 °F
Coldest months:
November 70.5 °F
October 70.6 °F
December 71.3 °F
Rainiest months:
September 26 days
October 25 days
June 25 days
Windiest months:
February 5.2 mph
January 5.0 mph
March 4.6 mph

Cartago on a weather map

Cartago
+72°F
SW 5 mph
Feels like: +72°F
Precip.: 7%
Places in Costa Rica:
Name
°F
+77°F
+82°F
+82°F
+79°F
+82°F
+82°F
+66°F
+81°F
+84°F
+79°F
+86°F
+66°F
24 Hours Forecast
Cartago
Local time: 09:52
September 16, wednesday
1200
73°F
SW
5 mph
1500
68°F
SW
4 mph
1800
61°F
W
7 mph
2100
61°F
W
6 mph
September 17, thursday
0000
61°F
W
4 mph
0300
59°F
W
4 mph
0600
59°F
W
6 mph
0900
72°F
SW
3 mph
Units of measurement: °C / °F