September weather forecastMonjarás, Panama
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Monjarás, Panama, with an average temperature ranging between max 29.8°C (85.6°F) and min 22.4°C (72.3°F).Temperature
Monjarás commences September with an average high-temperature of a still moderately hot 29.8°C (85.6°F), maintaining a close resemblance to the previous month. Monjarás, during the month of September, experiences an average low-temperature of 22.4°C (72.3°F).Heat index
For September, the heat index is calculated to be a sweltering 39°C (102.2°F). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.Heat index determinations are made taking into account the shade and light air movements. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to 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.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.
Humidity
July through October, with an average relative humidity of 88%, are the most humid months.Rainfall
In Monjarás, in September, it is raining for 29.5 days, with typically 262mm (10.31") of accumulated precipitation. Throughout the year, there are 269.3 rainfall days, and 2235mm (87.99") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 10min.On the first day of the month, sunrise is at 06:15 and sunset at 18:31. On the last day of September, sunrise is at 06:11 and sunset at 18:14 EST.
Sunshine
The average sunshine in September is 7.4h.UV index
The months with the highest UV index are January through June and September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: In September, a daily UV index of 7 turns into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime 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. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Monjarás, Panama
- Average high temperature in September: 29.8°C
The warmest month (with the highest average high temperature) is March (34.6°C).
The month with the lowest average high temperature is October (29.2°C).
- Average low temperature in September: 22.4°C
The month with the highest average low temperature is April (23.7°C).
The coldest month (with the lowest average low temperature) is January (21.2°C).
Average pressure in September
Monjarás, Panama
- Average pressure in September: 1010.2mbar
The month with the highest atmospheric pressure is January (1010.7mbar).
The month with the lowest atmospheric pressure is November (1009.9mbar).
Average wind speed in September
Monjarás, Panama
- Average wind speed in September: 4.6km/h
The windiest month (with the highest average wind speed) is March (8.6km/h).
The calmest months (with the lowest average wind speed) are June and July (4.2km/h).
Average humidity in September
Monjarás, Panama
- Average humidity in September: 88%
The months with the highest relative humidity are July, August, September and October (88%).
The month with the lowest relative humidity is March (65%).
Average rainfall in September
Monjarás, Panama
- Average rainfall in September: 262mm
The wettest month (with the highest rainfall) is August (309mm).
The driest month (with the least rainfall) is February (11mm).
Average rainfall days in September
Monjarás, Panama
- Average rainfall days in September: 29.5 days
The month with the highest number of rainy days is October (31 days).
The month with the least rainy days is February (5.3 days).
Average daylight in September /
Average sunshine in September
Monjarás, 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 24min
The month with the most sunshine is January (Average sunshine: 9h and 36min).
The month with the least sunshine is October (Average sunshine: 6h and 42min).
Average sunshine days in September
Monjarás, Panama
- Average sunshine days in September: 0.4 days
The month with the most sunshine days is February (21.1 days).
The month with the least sunshine days is October (0.1 days).
Average UV index in September
Monjarás, Panama
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June and September (UV index 7).
The months with the lowest UV index are July, August, October, November and December (UV index 6).
Average cloud cover in September
Monjarás, Panama
- Average cloud cover in September: 53
The month with the most cloud cover is October (Cloud cover 58).
The month with the least cloud cover is February (Cloud cover 18).
Average visibility in September
Monjarás, Panama
- Average visibility in September: 6km
The months with the highest visibility are February and March (10km).
The months with the lowest visibility are August, September, October and November (6km).





