September weather forecast
Aden, Yemen

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Weather in September

September in Aden, Yemen, arrives with a break from the incessant high temperatures, recording a dip to 35.4°C (95.7°F). A perceptible wane in sunlight hours indicates the approach of the cooler months ahead. However, September doesn’t exhibit a drastic change in sea temperatures or humidity, resulting in an enjoyable month, ideal for sightseeing. With rainfall occurrences matching August figures, the likelihood of dry weather remains high, making it suitable for outdoor ventures.

Temperature

Aden's weather in September displays an average high-temperature of a still sweltering 35.4°C (95.7°F), showing minor disparity from August's 35.3°C (95.5°F). During September, Aden sees a mean low-temperature of 27.8°C (82°F).

Heat index

September's average heat index is estimated at a life-threatening hot 51°C (123.8°F). Keep wary: Heat cramps along with heat exhaustion are expected. Heatstroke is a possible outcome of ongoing activity.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a numerical representation of warmth when taking temperature and moisture levels into account. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

The average relative humidity in September is 69%.

Rainfall

In Aden, in September, during 1 rainfall days, 5mm (0.2") of precipitation is typically accumulated. Throughout the year, there are 21 rainfall days, and 37mm (1.46") of precipitation is accumulated.

Sea temperature

In September, the average sea temperature is 30.3°C (86.5°F).
Note: Some argue that temperatures over 30°C (86°F) do not offer the same refreshing water experience.

Daylight

In September, the average length of the day is 12h and 12min.
On the first day of the month, sunrise is at 05:48 and sunset at 18:10. On the last day of September, in Aden, Yemen, sunrise is at 05:49 and sunset at 17:50 +03.

Sunshine

In September, the average sunshine is 9h.

UV index

February through September, with an average maximum UV index of 12, are months with the highest UV index in Aden. A UV Index value of 11, and more, symbolizes an excessive health risk from unsafe exposure to UV radiation for average individuals.
Note: A daily maximum UV index of 12 in September translates into the following instructions:
Implement every essential safety step. Individuals with fair skin might receive burns in less than 5 minutes. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat. Apply liberally and reapply a broad-spectrum sunscreen of SPF 30+ every two hours, and promptly after any outdoor workout or a swim. Be mindful! Sand and water reflections can up the Sun's UV exposure.

Frequently asked questions

How hot is it in September?

The high-temperature, in September, in Aden, is 35.4°C (95.7°F), while the low-temperature averages to 27.8°C (82°F). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 51°C (123.8°F).

What is the average humidity in September?

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

How many days does it rain in September in Aden?

In Aden, Yemen, during September, the rain falls for 1 days and regularly aggregates up to 5mm (0.2") of precipitation.

How warm is the water in September?

In September, the average sea temperature in Aden, Yemen, is 30.3°C (86.5°F). For swimming, other intense water activities, temperature above 30°C (86°F) is arguably unpleasant, as the water cooling effect is missing.

How many hours of daylight does Aden have in September?

In Aden, the average day length in September is 12h and 12min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 05:48 and sunset at 18:10. On the last day of the month, sunrise is at 05:49 and sunset at 17:50 +03.

How many hours of sunshine does Aden have in September?

In Aden, the average sunshine duration in September is 9h.

What is the month with the highest UV index?

The months with the highest UV index are February through September, with an average maximum UV index of 12.

How high is the UV index in September?

In September, the average daily maximum UV index is 12. A UV Index estimate of 11, and higher, represents an extreme health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in September
Aden, Yemen

Average temperature in September - Aden, Yemen
  • Average high temperature in September: 35.4°C

The warmest month (with the highest average high temperature) is June (36.6°C).
The month with the lowest average high temperature is January (28.5°C).

  • Average low temperature in September: 27.8°C

The month with the highest average low temperature is June (28.8°C).
The coldest month (with the lowest average low temperature) is January (22.6°C).

Average humidity in September
Aden, Yemen

Average humidity in September - Aden, Yemen
  • Average humidity in September: 69%

The months with the highest relative humidity are March and April (74%).
The months with the lowest relative humidity are July and August (65%).

Average rainfall in September
Aden, Yemen

Average rainfall in September - Aden, Yemen
  • Average rainfall in September: 5mm

The wettest month (with the highest rainfall) is January (6mm).
The driest month (with the least rainfall) is June (0mm).

Average rainfall days in September
Aden, Yemen

Average rainfall days in September - Aden, Yemen
  • Average rainfall days in September: 1 days

The months with the highest number of rainy days are January and December (3 days).
The months with the least rainy days are May, June, September, October and November (1 days).

Average sea temperature in September
Aden, Yemen

Average sea temperature in September - Aden, Yemen
  • Average sea temperature in September: 30.3°C

The best month for swimming (with the highest average sea temperature) is June (31°C).
The coldest month (with the lowest average sea temperature) is February (25.8°C).

Average daylight in September /
Average sunshine in September
Aden, Yemen

Average daylight in September / Average sunshine in September - Aden, Yemen
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is May (Average sunshine: 9h and 48min).
The month with the least sunshine is March (Average sunshine: 7h and 0min).

Average UV index in September
Aden, Yemen

Average UV index in September - Aden, Yemen
  • Average UV index in September: 12

The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).

Aden, Yemen

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