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 snowfall in September
- Average snowfall 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
Weather in September
Temperature
The commencement of September notes an average high-temperature of a moderately hot 28.4°C (83.1°F), exhibiting little difference from the previous month. The mean low-temperature during September nights is a refreshing 19.4°C (66.9°F).Heat index
Throughout September, the heat index is computed to be a hot 30°C (86°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.Heat index data is primarily for areas with shade and subjected to light winds. 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 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
The average relative humidity in September is 62%.Rainfall
Months with rainfall are January through June, September through December. September is the first month it rains in Er Rous, Lebanon. Throughout September, in the average 2.5 rainfall days, it receives 4mm (0.16") of precipitation. In Er Rous, during the entire year, the rain falls for 89.9 days and collects up to 420mm (16.54") of precipitation.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 23min.On the first day of September, sunrise is at 06:10 and sunset at 19:02. On the last day of the month, sunrise is at 06:30 and sunset at 18:22 EEST.
Sunshine
In September, the average sunshine is 10.1h.UV index
In Er Rous, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 6 in September interprets into the following advice:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What is the average humidity in September?
When does it start to rain?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Er Rous, Lebanon
- Average high temperature in September: 28.4°C
The warmest month (with the highest average high temperature) is August (30.2°C).
The month with the lowest average high temperature is January (12.7°C).
- Average low temperature in September: 19.4°C
The month with the highest average low temperature is August (20.4°C).
The coldest month (with the lowest average low temperature) is January (6.5°C).
Average pressure in September
Er Rous, Lebanon
- Average pressure in September: 1010.8mbar
The month with the highest atmospheric pressure is December (1018.1mbar).
The month with the lowest atmospheric pressure is July (1006.6mbar).
Average wind speed in September
Er Rous, Lebanon
- Average wind speed in September: 8.5km/h
The windiest month (with the highest average wind speed) is January (10.6km/h).
The calmest month (with the lowest average wind speed) is October (8.1km/h).
Average humidity in September
Er Rous, Lebanon
- Average humidity in September: 62%
The month with the highest relative humidity is January (71%).
The months with the lowest relative humidity are May and November (55%).
Average rainfall in September
Er Rous, Lebanon
- Average rainfall in September: 4mm
The wettest month (with the highest rainfall) is January (105mm).
The driest months (with the least rainfall) are July and August (0mm).
Average rainfall days in September
Er Rous, Lebanon
- Average rainfall days in September: 2.5 days
The month with the highest number of rainy days is January (13.9 days).
The month with the least rainy days is August (0.4 days).
Average snowfall in September
Er Rous, Lebanon
- Average snowfall in September: 0mm
The month with the highest snowfall is January (20mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Er Rous, Lebanon
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Er Rous, Lebanon
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 10h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in September
Er Rous, Lebanon
- Average sunshine days in September: 25.7 days
The months with the most sunshine days are July and August (29.8 days).
The month with the least sunshine days is February (13.8 days).
Average UV index in September
Er Rous, Lebanon
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Er Rous, Lebanon
- Average cloud cover in September: 6
The month with the most cloud cover is January (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 3).
Average visibility in September
Er Rous, Lebanon
- 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).
Er Rous, Lebanon
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