Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
An average high-temperature of a still warm 29.7°C (85.5°F) marks September, exhibiting a close resemblance to the conditions in August. In Río Indio, an average temperature of 22.5°C (72.5°F) is noted during September nights.Heat index
The heat index value during September is evaluated at a sweltering 38°C (100.4°F). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.In reference to the heat index, it's for places in shade and with a slight wind. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'feels like', combines both the air temperature and the humidity level to give a perceived human temperature. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
In Río Indio, the average relative humidity in September is 86%.Rainfall
In Río Indio, in September, during 27 rainfall days, 190mm (7.48") of precipitation is typically accumulated. Throughout the year, there are 247.4 rainfall days, and 1423mm (56.02") of precipitation is accumulated.Daylight
In Río Indio, the average length of the day in September is 12h and 10min.On the first day of September in Río Indio, sunrise is at 06:11 and sunset at 18:28. On the last day of the month, sunrise is at 06:08 and sunset at 18:11 EST.
Sunshine
In Río Indio, the average sunshine in September is 7.7h.UV index
July through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 6 during September leads to these advisories:
Resist overexposure. Safeguarding from solar damage is indispensable. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the average humidity in September?
How many days does it rain in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Río Indio have in September?
What is the month with the lowest UV index?
What is the UV index reading in September in Río Indio?
Average temperature in September
Río Indio, Panama
- Average high temperature in September: 29.7°C
The warmest month (with the highest average high temperature) is April (32.3°C).
The months with the lowest average high temperature are October and November (29.3°C).
- Average low temperature in September: 22.5°C
The month with the highest average low temperature is May (23.8°C).
The coldest months (with the lowest average low temperature) are January and December (22.3°C).
Average pressure in September
Río Indio, Panama
- Average pressure in September: 1010.1mbar
The months with the highest atmospheric pressure are January and March (1010.8mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed in September
Río Indio, Panama
- Average wind speed in September: 5.3km/h
The windiest months (with the highest average wind speed) are February and March (15.1km/h).
The calmest month (with the lowest average wind speed) is September (5.3km/h).
Average humidity in September
Río Indio, Panama
- Average humidity in September: 86%
The month with the highest relative humidity is October (88%).
The month with the lowest relative humidity is March (72%).
Average rainfall in September
Río Indio, Panama
- Average rainfall in September: 190mm
The wettest month (with the highest rainfall) is August (228mm).
The driest month (with the least rainfall) is February (7mm).
Average rainfall days in September
Río Indio, Panama
- Average rainfall days in September: 27 days
The month with the highest number of rainy days is October (28.9 days).
The month with the least rainy days is February (6.1 days).
Average daylight in September /
Average sunshine in September
Río Indio, 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 4min
The months with the most sunshine are January and February (Average sunshine: 9h and 12min).
The month with the least sunshine is November (Average sunshine: 5h and 42min).
Average sunshine days in September
Río Indio, Panama
- Average sunshine days in September: 2.2 days
The month with the most sunshine days is March (19 days).
The month with the least sunshine days is October (1.7 days).
Average UV index in September
Río Indio, Panama
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May and June (UV index 7).
The months with the lowest UV index are July, August, September, October, November and December (UV index 6).
Average cloud cover in September
Río Indio, Panama
- Average cloud cover in September: 51
The month with the most cloud cover is October (Cloud cover 56).
The month with the least cloud cover is February (Cloud cover 27).
Average visibility in September
Río Indio, Panama
- Average visibility in September: 7km
The months with the highest visibility are February, March and April (10km).
The month with the lowest visibility is October (6km).
