September weather forecast
Cahuita, Costa Rica

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Weather in September

September in Cahuita offers relief from the rains with a significant drop in precipitation to 84mm (3.31"). The climate remains consistent with the tropical signature of warm temperatures and controlled humidity. Clear skies allow more sunshine hours, illuminating Cahuita in its best light. The wind, a constant friend, circulates fresh air and maintains comfort despite the heat. The reduced rainfall affords tourists an optimal opportunity to take in the sights and sounds of Cahuita’s culture and nature.

Temperature

In Cahuita, Costa Rica, September is identified by the highest average temperatures, reaching a peak of 30°C (86°F) and a low of 25°C (77°F).

Heat index

The average heat index in September is estimated at a sweltering 35°C (95°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'feels like' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

The least humid month in Cahuita is September, with an average relative humidity of 71%.

Rainfall

In Cahuita, during September, the rain falls for 19.2 days and regularly aggregates up to 84mm (3.31") of precipitation. Throughout the year, in Cahuita, there are 241.5 rainfall days, and 1580mm (62.2") of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 11min.
On the first day of the month, sunrise is at 05:22 and sunset at 17:40. On the last day of September, in Cahuita, sunrise is at 05:19 and sunset at 17:22 CST.

Sunshine

With an average of 9.2h of sunshine, September has the most sunshine of the year in Cahuita, Costa Rica.

UV index

March through November, with an average maximum UV index of 7, are months with the highest UV index in Cahuita. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 7 during September leads to these instructions:
Resist overexposure. Safeguarding from solar damage is indispensable. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

What is the warmest month in Cahuita?

Cahuita's temperatures peak on average in September, reaching 30°C (86°F) at their highest and 25°C (77°F) at their lowest.

How hot is September in Cahuita?

The average high-temperature and low-temperature in Cahuita during September are 30°C (86°F) and 25°C (77°F) respectively. In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 35°C (95°F).

What is the least humid month in Cahuita?

With an average relative humidity of 71%, September is the least humid month in Cahuita.

What is the average humidity in September in Cahuita?

In September, the average relative humidity in Cahuita is 71%.

How much does it rain in Cahuita in September?

In Cahuita, Costa Rica, in September, during 19.2 rainfall days, 84mm (3.31") of precipitation is typically accumulated.

What is the average length of the day in September in Cahuita?

The average day length in September in Cahuita is 12h and 11min.

When is the sunrise / sunset in September in Cahuita?

In September, on the first day of the month, sunrise is at 05:22 and sunset at 17:40. On the last day of the month, in Cahuita, Costa Rica, sunrise is at 05:19 and sunset at 17:22 CST.

What month has the most sunshine in Cahuita?

The month with the most sunshine in Cahuita, Costa Rica, is September, with an average of 9.2h of sunshine.

How many hours of sunshine does Cahuita have in September?

In Cahuita, Costa Rica, the average sunshine duration in September is 9.2h.

When is the highest UV index in Cahuita?

March through November, with an average maximum UV index of 7, are months with the highest UV index.

How high is the UV index in September in Cahuita?

In Cahuita, Costa Rica, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.

Average temperature in September
Cahuita, Costa Rica

Average temperature in September - Cahuita, Costa Rica
  • Average high temperature in September: 30°C

The warmest month (with the highest average high temperature) is September (30°C).
The month with the lowest average high temperature is January (27.6°C).

  • Average low temperature in September: 25°C

The months with the highest average low temperature are May and June (25.3°C).
The coldest month (with the lowest average low temperature) is February (22.8°C).

Average pressure in September
Cahuita, Costa Rica

Average pressure in September - Cahuita, Costa Rica
  • Average pressure in September: 1011.2mbar

The month with the highest atmospheric pressure is January (1013.1mbar).
The month with the lowest atmospheric pressure is October (1010.9mbar).

Average wind speed in September
Cahuita, Costa Rica

Average wind speed in September - Cahuita, Costa Rica
  • Average wind speed in September: 7.4km/h

The windiest month (with the highest average wind speed) is November (9.7km/h).
The calmest month (with the lowest average wind speed) is September (7.4km/h).

Average humidity in September
Cahuita, Costa Rica

Average humidity in September - Cahuita, Costa Rica
  • Average humidity in September: 71%

The months with the highest relative humidity are May and June (74%).
The month with the lowest relative humidity is September (71%).

Average rainfall in September
Cahuita, Costa Rica

Average rainfall in September - Cahuita, Costa Rica
  • Average rainfall in September: 84mm

The wettest month (with the highest rainfall) is July (203mm).
The driest month (with the least rainfall) is April (65mm).

Average rainfall days in September
Cahuita, Costa Rica

Average rainfall days in September - Cahuita, Costa Rica
  • Average rainfall days in September: 19.2 days

The month with the highest number of rainy days is July (25.8 days).
The month with the least rainy days is February (15.7 days).

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

Average daylight in September / Average sunshine in September - Cahuita, 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: 9h and 1min

The month with the most sunshine is September (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 18min).

Average sunshine days in September
Cahuita, Costa Rica

Average sunshine days in September - Cahuita, Costa Rica
  • Average sunshine days in September: 7.6 days

The month with the most sunshine days is January (10.6 days).
The month with the least sunshine days is July (3.2 days).

Average UV index in September
Cahuita, Costa Rica

Average UV index in September - Cahuita, Costa Rica
  • Average UV index in September: 7

The months with the highest UV index are March, April, May, June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February and December (UV index 6).

Average cloud cover in September
Cahuita, Costa Rica

Average cloud cover in September - Cahuita, Costa Rica
  • Average cloud cover in September: 30

The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is September (Cloud cover 30).

Average visibility in September
Cahuita, Costa Rica

Average visibility in September - Cahuita, Costa Rica
  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).

Cahuita, Costa Rica

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