World Resorts Costa Rica Jaco Weather

Jaco weather in September

Weather in Jaco: September

Average day temperature: 81.9°F
Average night temperature: 77.9°F
Sea water temperature: 83.7°F
Number of sunny days: 0 days
Day length: 12.1 - 12.3 hours
Number of rainy days: 25 days
Precipitation totals: 13.8 in.

Air temperature in September, °F

Show year:
2023
2022
2021

The highest day temperature during September of 2023 was 84°F. At the same time the lowest night temperature was 78°F. Day and night temperature averages during September were 83.6°F and 79.6°F.

Sea water temperature in Jaco in September, °F

Show year:
2023
2022
2021

The average sea water temperature in September of 2023 was 85.7°F. The highest and lowest sea temperatures during the month were 86.5°F and 84.7°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 Jaco in September is 13.8 in. It makes september one of the most rainy months of the year.

Wind speed in September, mph

The average wind speed value in September is 4.5 mph

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: 3.6.

Best time for vacation in Jaco

Sunniest months:
February 10 days
March 9 days
January 6 days
Warmest months:
March 85.2 °F
April 85.2 °F
February 85.0 °F
Warmest sea temp:
April 85.4 °F
March 85.2 °F
May 85.2 °F
Coldest months:
November 80.7 °F
October 81.2 °F
August 81.4 °F
Rainiest months:
August 29 days
July 26 days
September 25 days
Windiest months:
February 5.2 mph
March 5.0 mph
October 4.7 mph

Jaco on a weather map

Jaco
+81°F
W 5 mph
Feels like: +88°F
Precip.: 0%
Places in Costa Rica:
Name
°F
+66°F
+81°F
+61°F
+77°F
+79°F
+79°F
+79°F
+59°F
+82°F
+81°F
+81°F
+64°F
24 Hours Forecast
Jaco
Local time: 02:04
May 05, sunday
0300
81°F
W
5 mph
0600
81°F
W
4 mph
0900
84°F
NW
4 mph
1200
86°F
N
8 mph
1500
86°F
N
8 mph
1800
84°F
N
7 mph
2100
82°F
N
4 mph
May 06, monday
0000
81°F
NW
2 mph
Units of measurement: °C / °F