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 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
Bribri's warmest weather arrives in September, when temperatures average a high of 30°C (86°F) and a low of 24.9°C (76.8°F).Heat index
September's mean heat index is appraised at a fiery hot 35°C (95°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. 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 remain especially vital for babies and toddlers. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Rising body temperatures due to excess heat retention could signify impending heat disorders.
Humidity
With an average relative humidity of 69%, September is the least humid month in Bribri.Rainfall
In Bribri, during September, the rain falls for 18.1 days and regularly aggregates up to 54mm (2.13") of precipitation. In Bribri, during the entire year, the rain falls for 197.8 days and collects up to 826mm (32.52") of precipitation.Daylight
In Bribri, the average length of the day in September is 12h and 10min.On the first day of September, sunrise is at 05:22 and sunset at 17:40. On the last day of the month, sunrise is at 05:19 and sunset at 17:22 CST.
Sunshine
September has the most sunshine of the year in Bribri, with an average of 9.3h of sunshine.UV index
The months with the highest UV index in Bribri are March through November, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 7 translates into these guidelines:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What time of the year is the hottest in Bribri?
How hot is September in Bribri?
What is the least humid month in Bribri?
What is the average humidity in September in Bribri?
How many days does it rain in September in Bribri?
What is the average length of the day in September in Bribri?
What time are sunrise and sunset in September in Bribri?
What month has the most sunshine in Bribri?
How many hours of sunshine does Bribri have in September?
What are the months with the highest UV index in Bribri?
What is the UV index intensity in September in Bribri?
Average temperature in September
Bribri, 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 (27.2°C).
- Average low temperature in September: 24.9°C
The month with the highest average low temperature is September (24.9°C).
The coldest month (with the lowest average low temperature) is February (22°C).
Average pressure in September
Bribri, Costa Rica
- Average pressure in September: 1011.1mbar
The month with the highest atmospheric pressure is January (1012.7mbar).
The month with the lowest atmospheric pressure is October (1010.8mbar).
Average wind speed in September
Bribri, Costa Rica
- Average wind speed in September: 6.2km/h
The windiest month (with the highest average wind speed) is December (9.8km/h).
The calmest months (with the lowest average wind speed) are September and October (6.2km/h).
Average humidity in September
Bribri, Costa Rica
- Average humidity in September: 69%
The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is September (69%).
Average rainfall in September
Bribri, Costa Rica
- Average rainfall in September: 54mm
The wettest month (with the highest rainfall) is July (120mm).
The driest month (with the least rainfall) is March (28mm).
Average rainfall days in September
Bribri, Costa Rica
- Average rainfall days in September: 18.1 days
The month with the highest number of rainy days is July (22.3 days).
The month with the least rainy days is January (10.6 days).
Average daylight in September /
Average sunshine in September
Bribri, 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 2min
The month with the most sunshine is September (Average sunshine: 9h and 18min).
The months with the least sunshine are July and December (Average sunshine: 8h and 18min).
Average sunshine days in September
Bribri, Costa Rica
- Average sunshine days in September: 8.4 days
The month with the most sunshine days is January (17.7 days).
The month with the least sunshine days is July (5.5 days).
Average UV index in September
Bribri, 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
Bribri, Costa Rica
- Average cloud cover in September: 27
The month with the most cloud cover is July (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 27).
Average visibility in September
Bribri, Costa Rica
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Bribri, Costa Rica
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