Measurements:
°C
°F
CURRENT WEATHER
03:49
Santa Teresa
80°F
NW 12 mph
Feels like: 86°F
Precip: 80%
World Resorts Costa Rica Santa Teresa Weather

7 Day Weather Forecast

09.07
mon
DAY
84°F
NW 6 mph
precip
21%
NIGHT
84°F
SE 4 mph
precip
18%
09.08
tue
DAY
86°F
NW 5 mph
precip
28%
NIGHT
86°F
NE 4 mph
precip
58%
09.09
wed
DAY
86°F
NE 8 mph
precip
13%
NIGHT
86°F
E 8 mph
precip
32%
09.10
thu
DAY
86°F
NW 7 mph
precip
8%
NIGHT
86°F
NW 1 mph
precip
21%
09.11
fri
DAY
86°F
NW 6 mph
precip
10%
NIGHT
86°F
NW 3 mph
precip
27%
09.12
sat
DAY
86°F
NW 7 mph
precip
8%
NIGHT
86°F
W 12 mph
precip
68%
09.13
sun
DAY
86°F
NW 9 mph
precip
21%
NIGHT
82°F
W 6 mph
precip
73%

Santa Teresa Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Santa Teresa was 28.8°F. The maximum and minimum values were 28.4°F and 29.2°F respectively.

Santa Teresa on the Weather Map

Best Time to Visit Santa Teresa
The most sunny months:
February 23 days
March 21 days
January 20 days
The most warm months:
March 91.4 °F
February 91.3 °F
April 90.8 °F
Warmest sea temperature:
May 89.4 °F
April 89.0 °F
July 88.5 °F
The most cold months:
November 84.5 °F
October 84.9 °F
September 85.6 °F
The most rainy months:
August 14 days
June 14 days
October 13 days
The most windy months:
February 7 mph
March 6 mph
January 6 mph
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