Ras Al-Khaimah
United Arab Emirates
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Ras Al-Khaimah, United Arab Emirates

September, the first month of the autumn, in Ras Al-Khaimah, is also a scorching month, with average temperature ranging between min 24.7°C (76.5°F) and max 40.1°C (104.2°F).

Temperature

In September, the average high-temperature is relatively the same as in August - an extremely hot 40.1°C (104.2°F). In September, the average low-temperature is 24.7°C (76.5°F).

Heat index

The average heat index in September is appraised at a life-threatening hot 60.5°C (140.9°F). These weather conditions are regarded as very dangerous, as heatstroke is imminent.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'apparent temperature', 'feels like', or 'felt air temperature', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like activity, differences in body mass, height, and shape, clothing, and pregnancy affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

In September, the average relative humidity in Ras Al-Khaimah is 57%.

Rainfall

In Ras Al-Khaimah, during September, the rain falls for 0.1 days and regularly aggregates up to 1.3mm (0.1") of precipitation. In Ras Al-Khaimah, during the entire year, the rain falls for 14.3 days and collects up to 132.8mm (5.2") of precipitation.

Sea temperature

In Ras Al-Khaimah, United Arab Emirates, the average seawater temperature is 32.6°C (90.7°F).
Note: The water temperature above 30°C (86°F) is arguably regarded as unpleasant. The primary purpose of entering the water - cooling down from sunshine and high temperatures - is lost.

Daylight

In September, the average length of the day is 12.3h.

Sunshine

The average sunshine in September is 10h.

UV index

The average daily maximum UV index is 11. A UV Index estimate of 11, and higher, represents an excessive health risk from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 11 transform into the following instructions:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in September in Ras Al-Khaimah?

The average high-temperature, in September, is 40.1°C (104.2°F), while the average low-temperature is 24.7°C (76.5°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), that combines relative humidity and air temperature, in September is calculated to 60.5°C (140.9°F).

What is the average humidity in September in Ras Al-Khaimah?

The average relative humidity in September is 57%.

How many days does it rain in September in Ras Al-Khaimah?

In Ras Al-Khaimah, in September, it is raining for 0.1 days, with typically 1.3mm (0.1") of accumulated precipitation.

What is the sea water temperature in September in Ras Al-Khaimah?

In Ras Al-Khaimah, United Arab Emirates, in September, the average water temperature is 32.6°C (90.7°F). The water temperature above 30°C (86°F) is arguably regarded as unpleasant. The primary purpose of entering the water - cooling down from sunshine and high temperatures - is lost.

How many hours of daylight does Ras Al-Khaimah have in September?

The average length of the day in September is 12.3h.

How many hours of sunshine does Ras Al-Khaimah have in September?

The average sunshine in September is 10h.

How high is the UV index in September in Ras Al-Khaimah?

The average daily maximum UV index in September in Ras Al-Khaimah, United Arab Emirates, is 11. A UV Index value of 11, and more, symbolizes an extreme health threat from the exposure to the Sun's UV radiation.
Average temperature in September - Ras Al-Khaimah, United Arab Emirates
  • Average high temperature in September: 40.1°C

The warmest month (with the highest average high temperature) is July (42.7°C).
The month with the lowest average high temperature is January (24.8°C).

  • Average low temperature in September: 24.7°C

The month with the highest average low temperature is August (28.6°C).
The coldest month (with the lowest average low temperature) is January (11.8°C).

Average humidity in September - Ras Al-Khaimah, United Arab Emirates
  • Average humidity in September: 57%

Months with the highest relative humidity are January and December (69%).
The month with the lowest relative humidity is May (46%).

Average rainfall in September - Ras Al-Khaimah, United Arab Emirates
  • Average rainfall in September: 1.3mm

The wettest month (with the highest rainfall) is February (35.7mm).
The driest month (with the lowest rainfall) is June (0mm).

Average rainfall days in September - Ras Al-Khaimah, United Arab Emirates
  • Average rainfall days in September: 0.1 days

The month with the highest number of rainy days is March (4.7 days).
The month with the lowest number of rainy days is June (0 days).

Average sea temperature in September - Ras Al-Khaimah, United Arab Emirates
  • Average sea temperature in September: 32.6°C

The best month for swimming (with the highest average sea temperature) is August (33.2°C).
The coldest month (with the lowest average sea temperature) is February (22.4°C).

Average daylight in September / Average sunshine in September - Ras Al-Khaimah, United Arab Emirates
  • Average daylight in September: 12.3h

The month with the longest days is June (Average daylight: 13.7h).
The month with shortest days is December (Average daylight: 10.5h).

  • Average sunshine in September: 10h

The month with most sunshine is May (Average sunshine: 11.1h).
The month with least sunshine is December (Average sunshine: 7.6h).

Average UV index in September - Ras Al-Khaimah, United Arab Emirates
  • Average UV index in September: 11

Months with the highest UV index are May, June, July and August (UV index 12).
The month with the lowest UV index is December (UV index 5).