September weather forecastGatun, Panama
September
Weather in September
The first month of the autumn, September, is still a warm month in Gatun, Panama, with an average temperature fluctuating between 28.7°C (83.7°F) and 25.1°C (77.2°F).Temperature
September is marked by an average high-temperature of a still moderately hot 28.7°C (83.7°F), almost identical to the preceding month. During September's nights, Gatun notes a minor temperature decline, reaching an average of 25.1°C (77.2°F).Heat index
For most parts of September, the heat index is evaluated at a sweltering 35°C (95°F). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.One should consider that heat index numbers are for shaded settings and light wind. 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 'apparent temperature' or 'felt air temperature', is achieved by amalgamating air temperature with the relative humidity readings. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.
Humidity
In September, the average relative humidity in Gatun, Panama, is 84%.Rainfall
In Gatun, in September, it is raining for 24.2 days, with typically 88mm (3.46") of accumulated precipitation. In Gatun, Panama, during the entire year, the rain falls for 266.8 days and collects up to 1014mm (39.92") of precipitation.Daylight
In Gatun, 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, in Gatun, sunrise is at 06:07 and sunset at 18:10 EST.
Sunshine
In September, the average sunshine is 8.1h.UV index
January through September and November, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 7 in September, converts into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gatun, Panama
- Average high temperature in September: 28.7°C
The warmest month (with the highest average high temperature) is May (29.1°C).
The month with the lowest average high temperature is December (27.8°C).
- Average low temperature in September: 25.1°C
The month with the highest average low temperature is June (25.7°C).
The coldest months (with the lowest average low temperature) are January and February (24.8°C).
Average pressure in September
Gatun, Panama
- Average pressure in September: 1009.9mbar
The month with the highest atmospheric pressure is March (1011.3mbar).
The months with the lowest atmospheric pressure are October and November (1009.6mbar).
Average wind speed in September
Gatun, Panama
- Average wind speed in September: 7.3km/h
The windiest month (with the highest average wind speed) is March (15.8km/h).
The calmest month (with the lowest average wind speed) is September (7.3km/h).
Average humidity in September
Gatun, Panama
- Average humidity in September: 84%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is March (80%).
Average rainfall in September
Gatun, Panama
- Average rainfall in September: 88mm
The wettest month (with the highest rainfall) is July (144mm).
The driest month (with the least rainfall) is February (17mm).
Average rainfall days in September
Gatun, Panama
- Average rainfall days in September: 24.2 days
The month with the highest number of rainy days is July (26.3 days).
The month with the least rainy days is February (15.2 days).
Average daylight in September /
Average sunshine in September
Gatun, Panama
- Average daylight in September: 12h and 12min
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: 8h and 6min
The month with the most sunshine is May (Average sunshine: 8h and 36min).
The month with the least sunshine is November (Average sunshine: 5h and 36min).
Average sunshine days in September
Gatun, Panama
- Average sunshine days in September: 4.5 days
The month with the most sunshine days is March (9.6 days).
The month with the least sunshine days is July (3.2 days).
Average UV index in September
Gatun, Panama
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September and November (UV index 7).
The months with the lowest UV index are October and December (UV index 6).
Average cloud cover in September
Gatun, Panama
- Average cloud cover in September: 44
The months with the most cloud cover are July and December (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 44).
Average visibility in September
Gatun, Panama
- 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).
