September weather forecast
Itiquís, Costa Rica

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Weather in September

September, the first month of the autumn in Itiquís, is still a warm month, with an average temperature fluctuating between 24.5°C (76.1°F) and 17.5°C (63.5°F).

Temperature

As Itiquís welcomes September, the average high-temperature records at a still moderately hot 24.5°C (76.1°F), marking an insignificant deviation from the prior month. September nights in Itiquís experience a consistent temperature drop to a refreshing 17.5°C (63.5°F).

Humidity

In September, the average relative humidity is 89%.

Rainfall

In Itiquís, in September, it is raining for 29.3 days, with typically 321mm (12.64") of accumulated precipitation. Throughout the year, there are 289.5 rainfall days, and 2506mm (98.66") of precipitation is accumulated.

Daylight

In September, the average length of the day in Itiquís, Costa Rica, is 12h and 11min.
On the first day of the month, sunrise is at 05:27 and sunset at 17:45. On the last day of September, in Itiquís, sunrise is at 05:25 and sunset at 17:27 CST.

Sunshine

In September, the average sunshine is 7h.

UV index

January, February, May through December, with an average maximum UV index of 5, are months with the lowest UV index in Itiquís. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: During September, 5 as the daily maximum UV index converts into the following advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

What is the usual temperature for Itiquís in September?

The high-temperature during September is 24.5°C (76.1°F) and the low-temperature is 17.5°C (63.5°F). In April, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is estimated at 31°C (87.8°F).

What is the average humidity in September in Itiquís?

In September, the average relative humidity in Itiquís, Costa Rica, is 89%.

How many days does it rain in September in Itiquís?

In Itiquís, in September, it is raining for 29.3 days, with typically 321mm (12.64") of accumulated precipitation.

How many hours of daylight does Itiquís have in September?

In Itiquís, Costa Rica, the average day length in September is 12h and 11min.

What time are sunrise and sunset in September in Itiquís?

In September, on the first day of the month, sunrise is at 05:27 and sunset at 17:45. On the last day of the month, in Itiquís, Costa Rica, sunrise is at 05:25 and sunset at 17:27 CST.

How many hours of sunshine does Itiquís have in September?

In Itiquís, the average sunshine duration in September is 7h.

What is the month with the lowest UV index in Itiquís?

The months with the lowest UV index in Itiquís, Costa Rica, are January, February, May through December, with an average maximum UV index of 5.

What is the UV index intensity in September in Itiquís?

In September, the average daily maximum UV index in Itiquís, Costa Rica, is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.

Average temperature in September
Itiquís, Costa Rica

Average temperature in September - Itiquís, Costa Rica
  • Average high temperature in September: 24.5°C

The warmest month (with the highest average high temperature) is April (28°C).
The month with the lowest average high temperature is October (23.8°C).

  • Average low temperature in September: 17.5°C

The month with the highest average low temperature is May (18.3°C).
The coldest month (with the lowest average low temperature) is January (15.2°C).

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Average pressure in September
Itiquís, Costa Rica

Average pressure in September - Itiquís, Costa Rica
  • Average pressure in September: 1011mbar

The month with the highest atmospheric pressure is January (1012.2mbar).
The month with the lowest atmospheric pressure is October (1010.8mbar).

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Average wind speed in September
Itiquís, Costa Rica

Average wind speed in September - Itiquís, Costa Rica
  • Average wind speed in September: 3.9km/h

The windiest month (with the highest average wind speed) is February (10.9km/h).
The calmest month (with the lowest average wind speed) is September (3.9km/h).

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Average humidity in September
Itiquís, Costa Rica

Average humidity in September - Itiquís, 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 March (71%).

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Average rainfall in September
Itiquís, Costa Rica

Average rainfall in September - Itiquís, Costa Rica
  • Average rainfall in September: 321mm

The wettest month (with the highest rainfall) is October (421mm).
The driest month (with the least rainfall) is February (25mm).

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Average rainfall days in September
Itiquís, Costa Rica

Average rainfall days in September - Itiquís, Costa Rica
  • Average rainfall days in September: 29.3 days

The month with the highest number of rainy days is October (30.5 days).
The month with the least rainy days is February (12.3 days).

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Average daylight in September /
Average sunshine in September
Itiquís, Costa Rica

Average daylight in September / Average sunshine in September - Itiquís, 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 0min

The month with the most sunshine is February (Average sunshine: 9h and 24min).
The month with the least sunshine is October (Average sunshine: 6h and 12min).

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Average sunshine days in September
Itiquís, Costa Rica

Average sunshine days in September - Itiquís, Costa Rica
  • Average sunshine days in September: 0.4 days

The month with the most sunshine days is February (11.9 days).
The month with the least sunshine days is September (0.4 days).

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Average UV index in September
Itiquís, Costa Rica

Average UV index in September - Itiquís, Costa Rica
  • Average UV index in September: 5

The months with the highest UV index are March and April (UV index 6).
The months with the lowest UV index are January, February, May, June, July, August, September, October, November and December (UV index 5).

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Average cloud cover in September
Itiquís, Costa Rica

Average cloud cover in September - Itiquís, Costa Rica
  • Average cloud cover in September: 59

The month with the most cloud cover is October (Cloud cover 62).
The month with the least cloud cover is February (Cloud cover 23).

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Average visibility in September
Itiquís, Costa Rica

Average visibility in September - Itiquís, Costa Rica
  • Average visibility in September: 6km

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

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Itiquís, Costa Rica

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