September weather forecastBella Vista, Panama

September

Weather in September

September, the first month of the autumn in Bella Vista, is still a warm month, with temperature in the range of an average high of 29.1°C (84.4°F) and an average low of 24.1°C (75.4°F).

Temperature

Bella Vista marks the arrival of September with an average high-temperature of a still moderately hot 29.1°C (84.4°F), hardly different from August's 29.2°C (84.6°F). Throughout September, Bella Vista's nights experience a slight temperature dip to a still moderately hot 24.1°C (75.4°F).

Heat index

The average heat index in September is computed to be a very hot 36°C (96.8°F). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.

Humidity

In Bella Vista, the average relative humidity in September is 86%.

Rainfall

In Bella Vista, during September, the rain falls for 24.4 days and regularly aggregates up to 161mm (6.34") of precipitation. Throughout the year, there are 282 rainfall days, and 1912mm (75.28") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 10min.
On the first day of the month, sunrise is at 06:09 and sunset at 18:26. On the last day of September, sunrise is at 06:06 and sunset at 18:09 EST.

Sunshine

In Bella Vista, the average sunshine in September is 7.9h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Bella Vista. The months with the lowest UV index in Bella Vista are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 7 suggests these recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

During September, Bella Vista experiences an average high-temperature of 29.1°C (84.4°F) and a low-temperature of 24.1°C (75.4°F). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is computed to be 36°C (96.8°F).

The average relative humidity in September is 86%.

In September, in Bella Vista, Panama, the rain falls for 24.4 days. Throughout September, 161mm (6.34") of precipitation is accumulated.

In September, the average day length in Bella Vista, Panama, is 12h and 10min.

On the first day of September in Bella Vista, Panama, sunrise is at 06:09 and sunset at 18:26. On the last day of the month, sunrise is at 06:06 and sunset at 18:09 EST.

In Bella Vista, Panama, the average sunshine duration in September is 7.9h.

January through December, with an average maximum UV index of 7, are months with the highest UV index in Bella Vista, Panama.

The months with the lowest UV index in Bella Vista, Panama, are January through December, with an average maximum UV index of 7.

In Bella Vista, Panama, 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Bella Vista, Panama

  • Average high temperature in September: 29.1°C

The warmest months (with the highest average high temperature) are March and April (30.8°C).
The months with the lowest average high temperature are October and November (28.7°C).

  • Average low temperature in September: 24.1°C

The month with the highest average low temperature is June (24.9°C).
The coldest months (with the lowest average low temperature) are January and February (23.6°C).

Average pressure in September
Bella Vista, 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
Bella Vista, Panama

  • Average wind speed in September: 6.3km/h

The windiest month (with the highest average wind speed) is February (11.2km/h).
The calmest months (with the lowest average wind speed) are June and September (6.3km/h).

Average humidity in September
Bella Vista, Panama

  • Average humidity in September: 86%

The months with the highest relative humidity are July, August and November (87%).
The month with the lowest relative humidity is March (77%).

Average rainfall in September
Bella Vista, Panama

  • Average rainfall in September: 161mm

The wettest month (with the highest rainfall) is July (273mm).
The driest month (with the least rainfall) is February (14mm).

Average rainfall days in September
Bella Vista, Panama

  • Average rainfall days in September: 24.4 days

The month with the highest number of rainy days is May (29.3 days).
The month with the least rainy days is February (11.6 days).

Average daylight in September /
Average sunshine in September
Bella Vista, Panama

  • Average daylight in September: 12h and 12min

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: 7h and 54min

The month with the most sunshine is May (Average sunshine: 8h and 48min).
The month with the least sunshine is November (Average sunshine: 5h and 42min).

Average sunshine days in September
Bella Vista, Panama

  • Average sunshine days in September: 5.1 days

The month with the most sunshine days is January (10.8 days).
The month with the least sunshine days is November (0.8 days).

Average UV index in September
Bella Vista, 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
Bella Vista, Panama

  • Average cloud cover in September: 44

The month with the most cloud cover is July (Cloud cover 51).
The months with the least cloud cover are January and February (Cloud cover 42).

Average visibility in September
Bella Vista, Panama

  • Average visibility in September: 9km

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