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Tortuguero weather in September

Weather in Tortuguero: September

Average day temperature: 83.9°F
Average night temperature: 74.9°F
Sea water temperature: 84.8°F
Number of sunny days: 1 day
Day length: 12.0 - 12.3 hours
Number of rainy days: 8 days
Precipitation totals: 3.4 in.

Air temperature in September, °F

Show year:
2026
2025
2024

The highest day temperature during September of 2026 was 87°F. At the same time the lowest night temperature was 73°F. Daily and nightly averages during September were 83.0°F and 75.3°F.

Sea water temperature in Tortuguero in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 83.8°F. The highest and lowest sea temperatures during the month were 85.1°F and 82.6°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 Tortuguero in September is 3.4 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 3.7 mph It makes September lest windy month 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: 4.3.

Best time for vacation in Tortuguero

Sunniest months:
April 4 days
March 2 days
January 1 day
Warmest months:
May 84.1 °F
September 83.9 °F
April 83.6 °F
Warmest sea temp:
September 84.8 °F
October 84.8 °F
May 84.5 °F
Coldest months:
February 80.8 °F
November 80.9 °F
December 81.0 °F
Rainiest months:
July 15 days
June 13 days
August 13 days
Windiest months:
February 5.0 mph
March 4.8 mph
April 4.4 mph

Tortuguero on a weather map

Tortuguero
+77°F
E 4 mph
Feels like: +82°F
Precip.: 63%
Places in Costa Rica:
Name
°F
+66°F
+82°F
+61°F
+79°F
+81°F
+73°F
+61°F
+81°F
+77°F
+77°F
+77°F
+61°F
24 Hours Forecast
Tortuguero
Local time: 17:19
September 27, sunday
1800
77°F
E
4 mph
2100
75°F
NE
3 mph
September 28, monday
0000
75°F
E
2 mph
0300
73°F
E
4 mph
0600
75°F
E
3 mph
0900
84°F
SE
2 mph
1200
82°F
SW
6 mph
1500
82°F
SW
6 mph
Units of measurement: °C / °F