September weather forecast
Linda Vista, Costa Rica

September

Weather in September

The first month of the autumn, September, is still a pleasant month in Linda Vista, Costa Rica, with an average temperature fluctuating between 22.9°C (73.2°F) and 16.5°C (61.7°F).

Temperature

The advent of September brings an average high-temperature of a pleasant 22.9°C (73.2°F), exhibiting minor difference from the previous month. In the month of September, the average temperature in Linda Vista dips to a refreshing 16.5°C (61.7°F) during the night.

Humidity

In September, the average relative humidity is 89%.

Rainfall

In Linda Vista, in September, it is raining for 29.7 days, with typically 320mm (12.6") of accumulated precipitation. In Linda Vista, during the entire year, the rain falls for 305 days and collects up to 2534mm (99.76") of precipitation.

Daylight

The average length of the day in September is 12h and 11min.
On the first day of September, sunrise is at 05:24 and sunset at 17:43. On the last day of the month, sunrise is at 05:22 and sunset at 17:25 CST.

Sunshine

In September, the average sunshine is 7.3h.

UV index

January through December, with an average maximum UV index of 5, are months with the highest UV index. January through December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 5 in September leads to these recommendations:
Guard yourself - Avoiding sunburn is suggested. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

What are the temperatures in September?
The high-temperature, in September, in Linda Vista, records 22.9°C (73.2°F), while the low-temperature is 16.5°C (61.7°F).
What is the average humidity in September?
The average relative humidity in September is 89%.
How many days does it rain in September?
In Linda Vista, in September, it is raining for 29.7 days, with typically 320mm (12.6") of accumulated precipitation.
How many hours of daylight does Linda Vista have in September?
The average day length in September is 12h and 11min.
What time are sunrise and sunset in September?
On the first day of September, sunrise is at 05:24 and sunset at 17:43. On the last day of the month, sunrise is at 05:22 and sunset at 17:25 CST.
How many hours of sunshine does Linda Vista have in September?
The average sunshine duration in September is 7.3h.
What is the month with the highest UV index?
January through December, with an average maximum UV index of 5, are months with the highest UV index.
When is the lowest UV index?
January through December, with an average maximum UV index of 5, are months with the lowest UV index.
How high is the UV index in September?
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Linda Vista, Costa Rica
  • Average high temperature in September: 22.9°C

The warmest month (with the highest average high temperature) is April (25.3°C).
The month with the lowest average high temperature is October (22.2°C).

  • Average low temperature in September: 16.5°C

The month with the highest average low temperature is May (16.9°C).
The coldest month (with the lowest average low temperature) is January (13.7°C).

Average pressure in September
Linda Vista, Costa Rica
  • Average pressure in September: 1011.2mbar

The month with the highest atmospheric pressure is January (1012.4mbar).
The month with the lowest atmospheric pressure is October (1010.9mbar).

Average wind speed in September
Linda Vista, Costa Rica
  • Average wind speed in September: 3.7km/h

The windiest month (with the highest average wind speed) is February (8.6km/h).
The calmest month (with the lowest average wind speed) is September (3.7km/h).

Average humidity in September
Linda Vista, Costa Rica
  • Average humidity in September: 89%

The month with the highest relative humidity is October (90%).
The month with the lowest relative humidity is February (76%).

Average rainfall in September
Linda Vista, Costa Rica
  • Average rainfall in September: 320mm

The wettest month (with the highest rainfall) is October (444mm).
The driest month (with the least rainfall) is February (33mm).

Average rainfall days in September
Linda Vista, Costa Rica
  • Average rainfall days in September: 29.7 days

The month with the highest number of rainy days is October (30.5 days).
The month with the least rainy days is February (14.9 days).

Average daylight in September /
Average sunshine in September
Linda Vista, 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: 7h and 2min

The month with the most sunshine is February (Average sunshine: 9h and 6min).
The month with the least sunshine is October (Average sunshine: 6h and 30min).

Average sunshine days in September
Linda Vista, Costa Rica
  • Average sunshine days in September: 0.3 days

The month with the most sunshine days is February (10.4 days).
The month with the least sunshine days is October (0.1 days).

Average UV index in September
Linda Vista, Costa Rica
  • Average UV index in September: 5

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).

Average cloud cover in September
Linda Vista, Costa Rica
  • Average cloud cover in September: 56

The month with the most cloud cover is October (Cloud cover 61).
The month with the least cloud cover is February (Cloud cover 31).

Average visibility in September
Linda Vista, Costa Rica
  • Average visibility in September: 6km

The months with the highest visibility are January, February and March (9km).
The months with the lowest visibility are September and October (6km).

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