Measurements:
°C
°F
Alajuela
62°F
SW 6 mph
Feels like: 62°F
Precip: 0%
World Resorts Costa Rica Alajuela Weather September Weather in Alajuela

Alajuela Weather: September

Average Day Temperature: 80.5°F
Average Night Temperature: 65.3°F
Sea Water Temperature: 87.4°F
Number of Sunny Days: 2 days
Sunshine Hours: 12.0 - 12.3 hours
Number of Rainy Days: 26 days
Precipitation Totals: 24.1 in

Air Temperature in September, °F

Select Year: 2023 2022 2021

The highest day temperature in September 2023 was 85°F. The lowest night temperature was 60°F. The average values for day and night temperatures during September were 80.5°F и 63.2°F respectivly.

Alajuela Water Sea Temperature in September, °F

Select Year: 2023 2022 2021

The average sea surface temperature in September 2023 for Alajuela was 89.6°F. The maximum and minimum values were 88.6°F and 90.6°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in September are cloudy but you can also expect sunny or gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Alajuela is 24.1 in. It makes september one of the most rainy months of the year.

Wind Speed in September, mph

The average wind speed in September is 2.3 mph. It makes September the most windless month of the year for Alajuela.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Alajuela in September is 5.4 hours.

Best Time to Visit Alajuela
The most sunny months:
February 18 days
January 17 days
March 16 days
The most warm months:
March 87.4 °F
April 86.7 °F
February 86.0 °F
Warmest sea temperature:
April 88.9 °F
May 88.7 °F
March 88.5 °F
The most cold months:
October 79.1 °F
November 79.3 °F
September 80.5 °F
The most rainy months:
September 26 days
October 26 days
June 26 days
The most windy months:
February 6 mph
January 6 mph
March 6 mph

Alajuela on the Weather Map

Costa Rica Resorts:
NAME
Alajuela +62
Cartago +56
El Roble +84
Heredia +60
Jaco +86
Limon +80
Playa Flamingo +86
Playas del Coco +86
Puerto Limon +80
Puerto Viejo de Talamanca +76
Quepos +76
Samara +82
San Jose +58
Santa Teresa +86
Tamarindo +86
24 Hours Weather Forecast
Alajuela
Local time: 01:26
29 mar, friday
0300 60°F
SW
6 mph
0600 64°F
SW
6 mph
0900 84°F
SW
7 mph
1200 90°F
SW
9 mph
1500 88°F
SW
6 mph
1800 68°F
SW
5 mph
2100 56°F
SW
5 mph
30 mar, saturday
0000 54°F
SW
6 mph