September
Weather in September
What marks September in Nandayure, Costa Rica, is the sea temperature dipping back to 28.8°C (83.8°F), confirming the final stretch of warm conditions before the eventual drop into cooler months. The arrival of cooler winds during this month sets off smaller but tangible shifts in the overall weather pattern. Signs of the impending weather shift can be observed in the subtle alterations to the colour palette of the local flora. Towards the tail of September, residents may start to witness more consistent signs of the subtle shift towards cooler sea temperatures. Essentially, this month is the twilight period of the typical tropical heat in Nandayure.
Note: For engaging in any water activities, temperatures from 25°C (77°F) to 29°C (84.2°F) are viewed as outstanding and exceptionally pleasing for prolonged durations.
On the first day of the month, sunrise is at 05:31 and sunset at 17:49. On the last day of September, sunrise is at 05:29 and sunset at 17:31 CST.
Sea temperature
In September, the average sea temperature is 28.8°C (83.8°F).Note: For engaging in any water activities, temperatures from 25°C (77°F) to 29°C (84.2°F) are viewed as outstanding and exceptionally pleasing for prolonged durations.
Daylight
The average length of the day in September is 12h and 11min.On the first day of the month, sunrise is at 05:31 and sunset at 17:49. On the last day of September, sunrise is at 05:29 and sunset at 17:31 CST.
Updated: Jul 29, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How warm is the water in September?
In Nandayure, the average seawater temperature in September is 28.8°C (83.8°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.
How many hours of daylight does Nandayure have in September?
In September, the average day length is 12h and 11min.
What time are sunrise and sunset in September?
On the first day of September, sunrise is at 05:31 and sunset at 17:49. On the last day of the month, sunrise is at 05:29 and sunset at 17:31 CST.
Average sea temperature in September
Nandayure, Costa Rica
- Average sea temperature in September: 28.8°C
The best month for swimming (with the highest average sea temperature) is May (29.1°C).
The coldest month (with the lowest average sea temperature) is January (27.3°C).
Average daylight in September
Nandayure, Costa Rica
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).
