Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September's onset in Quepos sees an average high-temperature of a still moderately hot 25.7°C (78.3°F), exhibiting a slight fluctuation from the previous month. During the nights of September, Quepos records an average low-temperature of 21.3°C (70.3°F), reflecting a modest decrease from daytime highs.Humidity
September and October, with an average relative humidity of 86%, are the most humid months in Quepos.Rainfall
In Quepos, in September, it is raining for 29.6 days, with typically 267mm (10.51") of accumulated precipitation. In Quepos, during the entire year, the rain falls for 290 days and collects up to 2270mm (89.37") of precipitation.Sea temperature
In Quepos, the average seawater temperature in September is 28.8°C (83.8°F).Note: Engaging in swimming, diving, or other water activities is highly enjoyable in temperatures ranging from 25°C (77°F) to 29°C (84.2°F), without any unpleasant sensations for prolonged durations.
Daylight
In September, the average length of the day in Quepos is 12h and 10min.On the first day of September in Quepos, sunrise is at 05:27 and sunset at 17:45. On the last day of the month, sunrise is at 05:25 and sunset at 17:27 CST.
Sunshine
In September, the average sunshine is 8.2h.UV index
January through December, with an average maximum UV index of 6, are months with the highest UV index. January through December, with an average maximum UV index of 6, are months with the lowest UV index in Quepos. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 6 in September transforms into this advice:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended. Attention! UV strength is notably upped by the reflection of sand and water.
Frequently asked questions
What is the average September temperature in Quepos?
What is the most humid month in Quepos?
What is the average humidity in September in Quepos?
How many days does it rain in September in Quepos?
What is the sea water temperature in September in Quepos?
How many hours of daylight does Quepos have in September?
When are sunrise and sunset in September in Quepos?
How many hours of sunshine does Quepos have in September?
What is the month with the highest UV index in Quepos?
When is the lowest UV index in Quepos?
What is the UV index reading in September in Quepos?
Average temperature in September
Quepos, Costa Rica
- Average high temperature in September: 25.7°C
The warmest month (with the highest average high temperature) is March (29.3°C).
The month with the lowest average high temperature is October (25.3°C).
- Average low temperature in September: 21.3°C
The month with the highest average low temperature is April (21.9°C).
The coldest months (with the lowest average low temperature) are January, February and December (20.5°C).
Average pressure in September
Quepos, Costa Rica
- Average pressure in September: 1011.1mbar
The month with the highest atmospheric pressure is January (1011.8mbar).
The months with the lowest atmospheric pressure are October and November (1010.9mbar).
Average wind speed in September
Quepos, Costa Rica
- Average wind speed in September: 5.3km/h
The windiest months (with the highest average wind speed) are February and March (7.6km/h).
The calmest month (with the lowest average wind speed) is June (5.2km/h).
Average humidity in September
Quepos, Costa Rica
- Average humidity in September: 86%
The months with the highest relative humidity are September and October (86%).
The months with the lowest relative humidity are February and March (68%).
Average rainfall in September
Quepos, Costa Rica
- Average rainfall in September: 267mm
The wettest month (with the highest rainfall) is October (440mm).
The driest month (with the least rainfall) is February (18mm).
Average rainfall days in September
Quepos, Costa Rica
- Average rainfall days in September: 29.6 days
The month with the highest number of rainy days is October (30.5 days).
The month with the least rainy days is February (9.7 days).
Average sea temperature in September
Quepos, Costa Rica
- Average sea temperature in September: 28.8°C
The best month for swimming (with the highest average sea temperature) is March (29.7°C).
The coldest month (with the lowest average sea temperature) is November (27.7°C).
Average daylight in September /
Average sunshine in September
Quepos, 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).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is February (Average sunshine: 9h and 48min).
The month with the least sunshine is October (Average sunshine: 7h and 30min).
Average sunshine days in September
Quepos, Costa Rica
- Average sunshine days in September: 0.2 days
The month with the most sunshine days is February (13.7 days).
The month with the least sunshine days is September (0.2 days).
Average UV index in September
Quepos, Costa Rica
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in September
Quepos, Costa Rica
- Average cloud cover in September: 45
The month with the most cloud cover is October (Cloud cover 49).
The month with the least cloud cover is February (Cloud cover 15).
Average visibility in September
Quepos, Costa Rica
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are May, June, July, August, September, October and November (9km).
Quepos, Costa Rica
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