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

Weather in September

The first month of the autumn, September, is also a scorching month in Ras Al-Khaimah, United Arab Emirates, with average temperature varying between 24.7°C (76.5°F) and 40.1°C (104.2°F).

Temperature

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

Heat index

In September, the average heat index is appraised at a blazing hot 60.5°C (140.9°F). These weather conditions are considered as extremely 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 'apparent temperature', 'feels like', 'real feel', or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like activity, metabolic differences, wind, and pregnancy affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. If the body can not disperse the excessive heat and body temperature reaches conditions of hyperthermia, above 37.5°C (99.5°F) to 38.3°C (100.9°F), thermal conditions are potentially life-threatening.

Humidity

The average relative humidity in September is 57%.

Rainfall

In September, in Ras Al-Khaimah, the rain falls for 0.1 days. Throughout September, 1.3mm (0.05") of precipitation is accumulated. In Ras Al-Khaimah, during the entire year, the rain falls for 14.3 days and collects up to 132.8mm (5.23") of precipitation.

Sea temperature

In September, the average sea temperature in Ras Al-Khaimah 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

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

Sunshine

In September, the average sunshine in Ras Al-Khaimah is 10h.

UV index

In Ras Al-Khaimah, the average daily maximum UV index is 11. A UV Index value of 11, and more, symbolizes an ultimate health vulnerability from unsafe exposure to the UV radiation for the ordinary person.
Note: The average daily UV index of 11 transform into the following instructions:
Practice all essential precautions. Protection against sun damage is crucial. 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. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

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). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), that represents influence of the relative humidity to air temperaure, is evaluated at 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 much does it rain in Ras Al-Khaimah in September?

In Ras Al-Khaimah, in September, during 0.1 rainfall days, 1.3mm (0.05") of precipitation is typically accumulated.

How warm is the water 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 surface water temperatures above 30°C (86°F) are arguably considered as unpleasant for swimming, and any intense water activity, as the refreshing effect of water is missing.

What is the average length of the day in September in Ras Al-Khaimah?

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

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

The average sunshine in September is 10h.

What is the UV index intensity in September in Ras Al-Khaimah?

In September, the average daily maximum UV index is 11. A UV Index value of 11, and more, symbolizes an extreme health threat from the exposure to the Sun's UV rays.

Average temperature in September
Ras Al-Khaimah, United Arab Emirates

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).

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Average humidity in September
Ras Al-Khaimah, United Arab Emirates

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%).

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Average rainfall in September
Ras Al-Khaimah, United Arab Emirates

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 least rainfall) is June (0mm).

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

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 least rainy days is June (0 days).

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Average sea temperature in September
Ras Al-Khaimah, United Arab Emirates

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).

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Average daylight in September /
Average sunshine in September
Ras Al-Khaimah, United Arab Emirates

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 the shortest days is December (Average daylight: 10.5h).

  • Average sunshine in September: 10h

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

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

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).

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