September weather forecastCedro, Costa Rica
September weather for Cedro, Costa Rica: The first month of the autumn, September, is also a moderately hot month in Cedro, Costa Rica, with temperature in the range of an average low of 19.2°C (66.6°F) and an average high of 26.3°C (79.3°F). January through April, June, July, September, October and December, with an average maximum UV index of 6, are months with the highest UV index in Cedro, Costa Rica.
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Cedro, Costa Rica, with temperature in the range of an average low of 19.2°C (66.6°F) and an average high of 26.3°C (79.3°F).Temperature
The transition from August to September sees an average high-temperature of a still warm 26.3°C (79.3°F), indicating a minor variance from the prior month. In Cedro, the average low-temperature during the month of September is a refreshing 19.2°C (66.6°F).Humidity
In September, the average relative humidity is 87%.Rainfall
In Cedro, during September, the rain falls for 29.4 days and regularly aggregates up to 288mm (11.34") of precipitation. In Cedro, Costa Rica, during the entire year, the rain falls for 272 days and collects up to 2217mm (87.28") of precipitation.Daylight
The average length of the day in September in Cedro is 12h and 11min.On the first day of the month, sunrise is at 05:27 and sunset at 17:46. On the last day of September, in Cedro, Costa Rica, sunrise is at 05:25 and sunset at 17:28 CST.
Sunshine
The average sunshine in September is 7.6h.UV index
January through April, June, July, September, October and December, with an average maximum UV index of 6, are months with the highest UV index in Cedro. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 6 in September translates into this advice:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cedro, Costa Rica
- Average high temperature in September: 26.3°C
The warmest months (with the highest average high temperature) are March and April (29.7°C).
The month with the lowest average high temperature is October (25.4°C).
- Average low temperature in September: 19.2°C
The month with the highest average low temperature is May (19.8°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).
Average pressure in September
Cedro, Costa Rica
- Average pressure in September: 1011mbar
The month with the highest atmospheric pressure is January (1012.1mbar).
The month with the lowest atmospheric pressure is October (1010.7mbar).
Average wind speed in September
Cedro, Costa Rica
- Average wind speed in September: 3.8km/h
The windiest month (with the highest average wind speed) is February (10.6km/h).
The calmest month (with the lowest average wind speed) is September (3.8km/h).
Average humidity in September
Cedro, Costa Rica
- Average humidity in September: 87%
The month with the highest relative humidity is October (89%).
The month with the lowest relative humidity is March (70%).
Average rainfall in September
Cedro, Costa Rica
- Average rainfall in September: 288mm
The wettest month (with the highest rainfall) is October (396mm).
The driest month (with the least rainfall) is February (17mm).
Average rainfall days in September
Cedro, Costa Rica
- Average rainfall days in September: 29.4 days
The month with the highest number of rainy days is October (30.2 days).
The month with the least rainy days is February (10.3 days).
Average daylight in September /
Average sunshine in September
Cedro, Costa Rica
- Average daylight in September: 12h and 12min
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 30min).
- Average sunshine in September: 7h and 36min
The month with the most sunshine is March (Average sunshine: 9h and 24min).
The month with the least sunshine is October (Average sunshine: 7h and 0min).
Average sunshine days in September
Cedro, Costa Rica
- Average sunshine days in September: 0.5 days
The month with the most sunshine days is January (16.7 days).
The month with the least sunshine days is September (0.5 days).
Average UV index in September
Cedro, Costa Rica
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, June, July, September, October and December (UV index 6).
The months with the lowest UV index are May, August and November (UV index 5).
Average cloud cover in September
Cedro, Costa Rica
- Average cloud cover in September: 50
The month with the most cloud cover is October (Cloud cover 54).
The month with the least cloud cover is February (Cloud cover 19).
Average visibility in September
Cedro, Costa Rica
- Average visibility in September: 7km
The months with the highest visibility are February and March (10km).
The months with the lowest visibility are August, September, October and November (7km).
