September weather forecast
Gamboa, Panama

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Gamboa, Panama, with temperature in the range of an average low of 24.1°C (75.4°F) and an average high of 29.1°C (84.4°F).

Temperature

A minor adjustment in Gamboa's average high-temperature is noted with the start of September, touching a still moderately hot 29.1°C (84.4°F) from August's 29.2°C (84.6°F). Gamboa, during September nights, experiences a subtle shift to a low average of 24.1°C (75.4°F) from the day's heat.

Heat index

The heat index in September is computed to be a fiery hot 36°C (96.8°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

The average relative humidity in September in Gamboa, Panama, is 86%.

Rainfall

In Gamboa, in September, it is raining for 24.4 days, with typically 161mm (6.34") of accumulated precipitation. Throughout the year, in Gamboa, 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 18:27. On the last day of September, sunrise is at 06:07 and sunset at 18:09 EST.

Sunshine

In Gamboa, 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. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 7 during September leads to these instructions:
Inhibit overexposure. Warding off sun damage is of utmost importance. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.

Frequently asked questions

How hot does it get in September?
The high-temperature in Gamboa during September is 29.1°C (84.4°F) and the low-temperature is 24.1°C (75.4°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in September is computed to be 36°C (96.8°F).
What is the average humidity in September?
The average relative humidity in September is 86%.
How many days does it rain in September?
In Gamboa, during September, the rain falls for 24.4 days and regularly aggregates up to 161mm (6.34") of precipitation.
How many hours of daylight does Gamboa have in September?
In September, the average day length is 12h and 10min.
When is the sunrise / sunset in September?
On the first day of September, sunrise is at 06:09 and sunset at 18:27. On the last day of the month, sunrise is at 06:07 and sunset at 18:09 EST.
How long on average sun shines in September?
In September, the average sunshine duration is 7.9h.
When is the highest UV index?
January through December, with an average maximum UV index of 7, are months with the highest UV index in Gamboa.
What are the months with the lowest UV index?
The months with the lowest UV index are January through December, with an average maximum UV index of 7.
What is the UV index intensity in September?
The average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
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 - Gamboa, Panama
Average temperature in September
Gamboa, 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 - Gamboa, Panama
Average pressure in September
Gamboa, 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 - Gamboa, Panama
Average wind speed in September
Gamboa, 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 - Gamboa, Panama
Average humidity in September
Gamboa, 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 - Gamboa, Panama
Average rainfall in September
Gamboa, 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 - Gamboa, Panama
Average rainfall days in September
Gamboa, 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 - Gamboa, Panama
Average daylight in September /
Average sunshine in September
Gamboa, 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: 7h and 5min

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 - Gamboa, Panama
Average sunshine days in September
Gamboa, 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 - Gamboa, Panama
Average UV index in September
Gamboa, 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 - Gamboa, Panama
Average cloud cover in September
Gamboa, 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 - Gamboa, Panama
Average visibility in September
Gamboa, 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).

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