September weather forecastChepigana, Panama
September
Weather in September
The first month of the autumn, September, is still a warm month in Chepigana, Panama, with an average temperature ranging between min 25°C (77°F) and max 29.3°C (84.7°F).Temperature
September's advent denotes a minor fluctuation in the average high-temperature to a still warm 29.3°C (84.7°F) from August's 29.2°C (84.6°F). Chepigana records a slight downturn in temperature to an average of 25°C (77°F) during September nights.Heat index
The average heat index in September is estimated at a sweltering 37°C (98.6°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is achieved by amalgamating air temperature with the relative humidity readings. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.
Humidity
The months with the highest humidity are April through September, November and December, with an average relative humidity of 84%.Rainfall
In Chepigana, in September, during 29 rainfall days, 166mm (6.54") of precipitation is typically accumulated. Throughout the year, there are 343.1 rainfall days, and 1859mm (73.19") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 10min.On the first day of September, sunrise is at 06:03 and sunset at 18:20. On the last day of the month, sunrise is at 06:00 and sunset at 18:03 EST.
Sunshine
In Chepigana, the average sunshine in September is 8.4h.UV index
The months with the highest UV index are April through September, November and December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 7 in September translates into these instructions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chepigana, Panama
- Average high temperature in September: 29.3°C
The warmest month (with the highest average high temperature) is July (29.4°C).
The months with the lowest average high temperature are February and March (27.9°C).
- Average low temperature in September: 25°C
The month with the highest average low temperature is July (25.5°C).
The coldest month (with the lowest average low temperature) is October (24.7°C).
Average pressure in September
Chepigana, 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 (1009.5mbar).
Average wind speed in September
Chepigana, Panama
- Average wind speed in September: 7.4km/h
The windiest month (with the highest average wind speed) is March (17km/h).
The calmest month (with the lowest average wind speed) is June (7.3km/h).
Average humidity in September
Chepigana, Panama
- Average humidity in September: 84%
The months with the highest relative humidity are April, May, June, July, August, September, November and December (84%).
The months with the lowest relative humidity are January, February, March and October (83%).
Average rainfall in September
Chepigana, Panama
- Average rainfall in September: 166mm
The wettest month (with the highest rainfall) is May (223mm).
The driest month (with the least rainfall) is February (56mm).
Average rainfall days in September
Chepigana, Panama
- Average rainfall days in September: 29 days
The month with the highest number of rainy days is July (30.3 days).
The month with the least rainy days is February (24.1 days).
Average daylight in September /
Average sunshine in September
Chepigana, 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 42min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is November (Average sunshine: 6h and 6min).
Average sunshine days in September
Chepigana, Panama
- Average sunshine days in September: 0.4 days
The month with the most sunshine days is January (1.3 days).
The month with the least sunshine days is November (0 days).
Average UV index in September
Chepigana, Panama
- Average UV index in September: 7
The months with the highest UV index are April, May, June, July, August, September, November and December (UV index 7).
The months with the lowest UV index are January, February, March and October (UV index 6).
Average cloud cover in September
Chepigana, Panama
- Average cloud cover in September: 42
The month with the most cloud cover is March (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 42).
Average visibility in September
Chepigana, Panama
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, June and December (10km).
The months with the lowest visibility are May, July, August, September, October and November (9km).





