September weather forecast
Vacamonte, Panama

September

Weather in September

The first month of the autumn, September, is still a warm month in Vacamonte, Panama, with an average temperature varying between 28.9°C (84°F) and 24.3°C (75.7°F).

Temperature

Vacamonte greets September with an average high-temperature of a still moderately hot 28.9°C (84°F), marking a slight deviation from the preceding month. Vacamonte maintains a near steady average temperature of 24.3°C (75.7°F) during the nights of September, demonstrating little drop from daytime highs.

Heat index

Throughout September, the heat index is evaluated at a sweltering 36°C (96.8°F). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an aggregate value of air's warmth and moisture to show the human-felt temperature. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.

Humidity

In Vacamonte, the average relative humidity in September is 85%.

Rainfall

In Vacamonte, during September, the rain falls for 28 days and regularly aggregates up to 182mm (7.17") of precipitation. In Vacamonte, during the entire year, the rain falls for 294.6 days and collects up to 1899mm (74.76") of precipitation.

Daylight

The average length of the day in September is 12h and 10min.
On the first day of the month, sunrise is at 06:10 and sunset at 18:27. On the last day of September, sunrise is at 06:07 and sunset at 18:10 EST.

Sunshine

The average sunshine in September is 8.1h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Vacamonte. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily high UV index of 7 in September leads to these guidelines:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

How hot does it get in September?
The average high-temperature and low-temperature during September are 28.9°C (84°F) and 24.3°C (75.7°F) respectively. In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 36°C (96.8°F).
What is the average humidity in September in Vacamonte?
In September, the average relative humidity is 85%.
How many days does it rain in September in Vacamonte?
In Vacamonte, during September, the rain falls for 28 days and regularly aggregates up to 182mm (7.17") of precipitation.
What is the average length of the day in September?
The average day length in September in Vacamonte is 12h and 10min.
When is the sunrise / sunset in September?
In September, on the first day of the month, sunrise is at 06:10 and sunset at 18:27. On the last day of the month, sunrise is at 06:07 and sunset at 18:10 EST.
How long on average sun shines in September?
In September, the average sunshine duration is 8.1h.
What is the month with the highest UV index?
The months with the highest UV index are January through December, with an average maximum UV index of 7.
What are the months with the lowest UV index?
January through December, with an average maximum UV index of 7, are months with the lowest UV index.
What is the UV index reading in September?
The average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health threat 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
Vacamonte, Panama
  • Average high temperature in September: 28.9°C

The warmest month (with the highest average high temperature) is April (30.5°C).
The month with the lowest average high temperature is November (28.6°C).

  • Average low temperature in September: 24.3°C

The month with the highest average low temperature is June (25.2°C).
The coldest month (with the lowest average low temperature) is February (23.8°C).

Average pressure in September
Vacamonte, Panama
  • Average pressure in September: 1010mbar

The month with the highest atmospheric pressure is March (1011mbar).
The month with the lowest atmospheric pressure is November (1009.6mbar).

Average wind speed in September
Vacamonte, Panama
  • Average wind speed in September: 6.4km/h

The windiest month (with the highest average wind speed) is February (12.7km/h).
The calmest month (with the lowest average wind speed) is September (6.4km/h).

Average humidity in September
Vacamonte, Panama
  • Average humidity in September: 85%

The month with the highest relative humidity is July (87%).
The month with the lowest relative humidity is March (77%).

Average rainfall in September
Vacamonte, Panama
  • Average rainfall in September: 182mm

The wettest month (with the highest rainfall) is July (269mm).
The driest month (with the least rainfall) is February (13mm).

Average rainfall days in September
Vacamonte, Panama
  • Average rainfall days in September: 28 days

The month with the highest number of rainy days is July (30.1 days).
The month with the least rainy days is February (11.3 days).

Average daylight in September /
Average sunshine in September
Vacamonte, 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 36min).

  • Average sunshine in September: 8h and 1min

The month with the most sunshine is May (Average sunshine: 9h and 0min).
The month with the least sunshine is November (Average sunshine: 5h and 54min).

Average sunshine days in September
Vacamonte, Panama
  • Average sunshine days in September: 1.8 days

The month with the most sunshine days is March (11.3 days).
The months with the least sunshine days are July and November (0.4 days).

Average UV index in September
Vacamonte, Panama
  • Average UV index in September: 7

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

Average cloud cover in September
Vacamonte, Panama
  • Average cloud cover in September: 43

The month with the most cloud cover is July (Cloud cover 49).
The month with the least cloud cover is February (Cloud cover 39).

Average visibility in September
Vacamonte, Panama
  • Average visibility in September: 9km

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

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