September weather forecast
Guararé Arriba, Panama

September

Weather in September

September, the first month of the autumn in Guararé Arriba, is still a warm month, with an average temperature varying between 29.5°C (85.1°F) and 23.2°C (73.8°F).

Temperature

In September, Guararé Arriba experiences a minor shift in meteorological conditions with average high-temperatures marked at a still warm 29.5°C (85.1°F), closely mirroring the climate in August. Throughout September, Guararé Arriba encounters an average temperature drop to a still warm 23.2°C (73.8°F).

Heat index

September's mean heat index is calculated to be a sweltering 37°C (98.6°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', determines the feeling of heat when you account for the relative humidity. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

The average relative humidity in September is 85%.

Rainfall

In Guararé Arriba, in September, during 28.3 rainfall days, 160mm (6.3") of precipitation is typically accumulated. In Guararé Arriba, during the entire year, the rain falls for 261.2 days and collects up to 1359mm (53.5") of precipitation.

Daylight

In September, the average length of the day is 12h and 10min.
On the first day of September, sunrise is at 06:13 and sunset at 18:29. On the last day of the month, sunrise is at 06:09 and sunset at 18:12 EST.

Sunshine

The average sunshine in September in Guararé Arriba is 8.2h.

UV index

The months with the highest UV index are January through September, November and December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.
Note: The UV index of 7 during September translates into the following guidance:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.

Frequently asked questions

Is it hot during September?
In Guararé Arriba, in September, the average high-temperature is 29.5°C (85.1°F), and the average low-temperature is 23.2°C (73.8°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in September is calculated to be 37°C (98.6°F).
What is the average humidity in September?
In September, the average relative humidity is 85%.
How many days does it rain in September?
In Guararé Arriba, in September, it is raining for 28.3 days, with typically 160mm (6.3") of accumulated precipitation.
What is the average length of the day in September?
The average day length in September is 12h and 10min.
When is the sunrise / sunset in September?
In September, on the first day of the month, sunrise is at 06:13 and sunset at 18:29. On the last day of the month, sunrise is at 06:09 and sunset at 18:12 EST.
How many hours of sunshine does Guararé Arriba have in September?
In September, the average sunshine duration is 8.2h.
What are the months with the highest UV index?
January through September, November and December, with an average maximum UV index of 7, are months with the highest UV index.
What is the UV index reading in September?
The average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's 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
Guararé Arriba, Panama
  • Average high temperature in September: 29.5°C

The warmest month (with the highest average high temperature) is April (31.8°C).
The months with the lowest average high temperature are October and November (29°C).

  • Average low temperature in September: 23.2°C

The month with the highest average low temperature is May (24.5°C).
The coldest month (with the lowest average low temperature) is December (23°C).

Average pressure in September
Guararé Arriba, Panama
  • Average pressure in September: 1010.1mbar

The month with the highest atmospheric pressure is March (1010.8mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).

Average wind speed in September
Guararé Arriba, Panama
  • Average wind speed in September: 6km/h

The windiest month (with the highest average wind speed) is February (15.8km/h).
The calmest month (with the lowest average wind speed) is September (6km/h).

Average humidity in September
Guararé Arriba, Panama
  • Average humidity in September: 85%

The month with the highest relative humidity is October (86%).
The month with the lowest relative humidity is March (72%).

Average rainfall in September
Guararé Arriba, Panama
  • Average rainfall in September: 160mm

The wettest month (with the highest rainfall) is October (197mm).
The driest month (with the least rainfall) is February (6mm).

Average rainfall days in September
Guararé Arriba, Panama
  • Average rainfall days in September: 28.3 days

The month with the highest number of rainy days is October (30.3 days).
The month with the least rainy days is February (5.5 days).

Average daylight in September /
Average sunshine in September
Guararé Arriba, Panama
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 42min).

  • Average sunshine in September: 8h and 1min

The months with the most sunshine are January and February (Average sunshine: 9h and 30min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).

Average sunshine days in September
Guararé Arriba, Panama
  • Average sunshine days in September: 1.5 days

The month with the most sunshine days is March (19.5 days).
The months with the least sunshine days are October and November (0.5 days).

Average UV index in September
Guararé Arriba, Panama
  • Average UV index in September: 7

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

Average cloud cover in September
Guararé Arriba, Panama
  • Average cloud cover in September: 43

The month with the most cloud cover is October (Cloud cover 47).
The month with the least cloud cover is February (Cloud cover 23).

Average visibility in September
Guararé Arriba, Panama
  • Average visibility in September: 8km

The months with the highest visibility are January, February, March and April (10km).
The months with the lowest visibility are August, September, October and November (8km).

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