World Resorts Costa Rica Playas del Coco Weather

Playas del Coco weather in September

Weather in Playas del Coco: September

Average day temperature: 83.2°F
Average night temperature: 77.3°F
Sea water temperature: 84.3°F
Number of sunny days: 1 day
Day length: 12.0 - 12.3 hours
Number of rainy days: 8 days
Precipitation totals: 3.7 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 86°F. At the same time the lowest night temperature was 75°F. Daily and nightly averages during September were 82.4°F and 76.1°F.

Sea water temperature in Playas del Coco in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 83.8°F. The highest and lowest sea temperatures during the month were 84.7°F and 83.1°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Playas del Coco in September is 3.7 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 7.3 mph It makes September one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 4.6.

Best time for vacation in Playas del Coco

Sunniest months:
February 17 days
March 16 days
January 14 days
Warmest months:
April 89.3 °F
March 88.2 °F
May 87.7 °F
Warmest sea temp:
May 85.1 °F
June 84.6 °F
September 84.3 °F
Coldest months:
November 81.4 °F
October 82.3 °F
December 82.7 °F
Rainiest months:
June 13 days
October 11 days
September 8 days
Windiest months:
February 15.1 mph
January 14.5 mph
March 14.5 mph

Playas del Coco on a weather map

Playas del Coco
+75°F
W 6 mph
Feels like: +79°F
Precip.: 0%
Places in Costa Rica:
Name
°F
+57°F
+77°F
+73°F
+72°F
+73°F
+73°F
+75°F
+54°F
+79°F
+75°F
+73°F
+57°F
24 Hours Forecast
Playas del Coco
Local time: 23:21
December 05, friday
0000
75°F
W
6 mph
0300
73°F
W
6 mph
0600
73°F
W
4 mph
0900
79°F
W
7 mph
1200
84°F
SW
2 mph
1500
84°F
NE
2 mph
1800
79°F
NE
4 mph
2100
77°F
NW
4 mph
Units of measurement: °C / °F