September weather forecast and climate
Beirut, Lebanon

A clear aerial view of the cityscape and skyline of the beautiful city of Beirut, Lebanon, with distant mountain ranges
A clear aerial view of the cityscape and skyline of the beautiful city of Beirut, Lebanon, with distant mountain ranges
The first month of the autumn, September, is still a warm month in Beirut, Lebanon, with average temperature ranging between max. 29.8°C (85.6°F) and min. 23.7°C (74.7°F).

Temperature

The average high-temperature, in September, is 29.8°C (85.6°F), while the average low-temperature is 23.7°C (74.7°F).

Humidity

In Beirut, the average relative humidity is 69%.

Rainfall

In September, the rain falls for 1 days. Throughout September, 2.3mm (0.1") of precipitation is accumulated. In Beirut, during the entire year, the rain falls for 68 days and collects up to 825.5mm (32.5") of precipitation.

Sea temperature

In September, the average sea temperature is 28.2°C (82.8°F).
For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In September, the average length of the day in Beirut is 12.4h.

Sunshine

In September, the average sunshine is 9.6h.

UV index

In September, the average daily maximum UV index is 9.
A UV Index value of 8 to 10 symbolizes a very high health vulnerability from unsafe exposure to the UV radiation for ordinary individuals. Take special precautions, as unprotected eyes and skin can be burned and damaged quickly.

What is the temperature in September in Beirut?

In September, in Beirut, the average high-temperature is 29.8°C (85.6°F), and the average low-temperature is 23.7°C (74.7°F).

What is the average humidity in September in Beirut?

In September, the average relative humidity in Beirut is 69%.

How much does it rain in Beirut in September?

In Beirut, Lebanon, in September, during 1 rainfall days, 2.3mm (0.1") of precipitation is typically accumulated.

What is the water temperature in September in Beirut?

In Beirut, Lebanon, in September, the average water temperature is 28.2°C (82.8°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Beirut have in September?

In September, the average length of the day is 12.4h.

How many hours of sunshine does Beirut have in September?

In September, the average sunshine is 9.6h.

What is the UV index intensity in September in Beirut?

The average daily maximum UV index in September is 9. A UV Index reading of 8 to 10 represents a very high hazard to health from unprotected exposure to the UV radiation.
Average temperature in September - Beirut, Lebanon
  • Average high temperature in September: 29.8°C

The warmest month (with the highest average high temperature) is August (30.7°C).
The month with the lowest average high temperature is January (17.4°C).

  • Average low temperature in September: 23.7°C

The month with the highest average low temperature is August (24.8°C).
The coldest month (with the lowest average low temperature) is February (11°C).

Average humidity in September - Beirut, Lebanon
  • Average humidity in September: 69%

Months with the highest relative humidity are July and August (73%).
The month with the lowest relative humidity is November (66%).

Average rainfall in September - Beirut, Lebanon
  • Average rainfall in September: 2.3mm

The wettest month (with the highest rainfall) is January (190.9mm).
The driest month (with the lowest rainfall) is July (0.3mm).

Average rainfall days in September - Beirut, Lebanon
  • Average rainfall days in September: 1 days

The month with the highest number of rainy days is January (15 days).
Months with the lowest number of rainy days are June, July and August (0 days).

Average sea temperature in September - Beirut, Lebanon
  • Average sea temperature in September: 28.2°C

The best month for swimming (with the highest average sea temperature) is August (28.6°C).
The coldest month (with the lowest average sea temperature) is February (17.4°C).

Average daylight in September / Average sunshine in September - Beirut, Lebanon
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 9.9h).

  • Average sunshine in September: 9.6h

Months with most sunshine are June and July (Average sunshine: 11.6h).
The month with least sunshine is January (Average sunshine: 4.2h).

Average UV index in September - Beirut, Lebanon
  • Average UV index in September: 9

The month with the highest UV index is July (UV index 12).
Months with the lowest UV index are January and December (UV index 3).

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