September weather forecast
Dayr as Salib, Syria

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Weather in September

The first month of the autumn, September, is also a hot month in Dayr as Salib, Syria, with an average temperature varying between 32.2°C (90°F) and 20.1°C (68.2°F).

Temperature

With the commencement of September, Dayr as Salib records a moderate temperature decline, with the average high easing from August's sweltering 35.6°C (96.1°F) to a hot 32.2°C (90°F). Throughout September, Dayr as Salib registers a distinct decrease from daytime highs, reaching an average low of 20.1°C (68.2°F).

Heat index

For most parts of September, the heat index is computed to be a sweltering 36°C (96.8°F). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.
Factoring in the heat index, values are geared towards shaded areas with light breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

In September, the average relative humidity in Dayr as Salib, Syria, is 53%.

Rainfall

January through June, September through December are months with rainfall in Dayr as Salib. September is the first month it rains in Dayr as Salib. Throughout September, in the average 2.5 rainfall days, it receives 4mm (0.16") of precipitation. Throughout the year, there are 75 rainfall days, and 172mm (6.77") of precipitation is accumulated.

Snowfall

In Dayr as Salib, snow does not fall in March through November.

Daylight

In Dayr as Salib, the average length of the day in September is 12h and 24min.
On the first day of September, sunrise is at 06:07 and sunset at 19:01. On the last day of the month, sunrise is at 06:28 and sunset at 18:19 +03.

Sunshine

In September, the average sunshine in Dayr as Salib, Syria, is 10h.

UV index

In Dayr as Salib, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: An average maximum UV index of 7 in September leads to these recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Resources | Updated: Feb 3, 2024 | Published by: Weather Atlas

Frequently asked questions

How hot is it in Dayr as Salib in September?

In Dayr as Salib, in September, the average high-temperature is 32.2°C (90°F), and the average low-temperature is 20.1°C (68.2°F). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is computed to be 36°C (96.8°F).

What is the average humidity in September in Dayr as Salib?

In September, the average relative humidity is 53%.

When does it start to rain in Dayr as Salib?

September is the first month it rains in Dayr as Salib, Syria. Throughout September, in the average 2.5 rainfall days, it receives 4mm (0.16") of precipitation.

When it does not snow in Dayr as Salib?

In Dayr as Salib, Syria, snow does not fall in March through November.

What is the average length of the day in September in Dayr as Salib?

In Dayr as Salib, Syria, the average day length in September is 12h and 24min.

When are sunrise and sunset in September in Dayr as Salib?

On the first day of September in Dayr as Salib, sunrise is at 06:07 and sunset at 19:01. On the last day of the month, sunrise is at 06:28 and sunset at 18:19 +03.

How long on average sun shines in September in Dayr as Salib?

The average sunshine duration in September in Dayr as Salib is 10h.

What is the UV index intensity in September in Dayr as Salib?

In Dayr as Salib, Syria, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in September
Dayr as Salib, Syria

Average temperature in September - Dayr as Salib, Syria
  • Average high temperature in September: 32.2°C

The warmest month (with the highest average high temperature) is August (35.6°C).
The month with the lowest average high temperature is January (13.5°C).

  • Average low temperature in September: 20.1°C

The month with the highest average low temperature is August (22.3°C).
The coldest month (with the lowest average low temperature) is January (5.8°C).

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Average pressure in September
Dayr as Salib, Syria

Average pressure in September - Dayr as Salib, Syria
  • Average pressure in September: 1010.3mbar

The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is July (1005.4mbar).

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Average wind speed in September
Dayr as Salib, Syria

Average wind speed in September - Dayr as Salib, Syria
  • Average wind speed in September: 12.9km/h

The windiest month (with the highest average wind speed) is July (17.4km/h).
The calmest month (with the lowest average wind speed) is November (9km/h).

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Average humidity in September
Dayr as Salib, Syria

Average humidity in September - Dayr as Salib, Syria
  • Average humidity in September: 53%

The month with the highest relative humidity is January (68%).
The months with the lowest relative humidity are May and June (46%).

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Average rainfall in September
Dayr as Salib, Syria

Average rainfall in September - Dayr as Salib, Syria
  • Average rainfall in September: 4mm

The wettest months (with the highest rainfall) are January and December (40mm).
The driest months (with the least rainfall) are July and August (0mm).

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Average rainfall days in September
Dayr as Salib, Syria

Average rainfall days in September - Dayr as Salib, Syria
  • Average rainfall days in September: 2.5 days

The month with the highest number of rainy days is January (12.1 days).
The month with the least rainy days is August (0.2 days).

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Average snowfall in September
Dayr as Salib, Syria

Average snowfall in September - Dayr as Salib, Syria
  • Average snowfall in September: 0mm

The month with the highest snowfall is December (2mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).

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Average snowfall days in September
Dayr as Salib, Syria

Average snowfall days in September - Dayr as Salib, Syria
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and December (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in September /
Average sunshine in September
Dayr as Salib, Syria

Average daylight in September / Average sunshine in September - Dayr as Salib, Syria
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in September: 10h and 0min

The month with the most sunshine is August (Average sunshine: 12h and 24min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).

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Average sunshine days in September
Dayr as Salib, Syria

Average sunshine days in September - Dayr as Salib, Syria
  • Average sunshine days in September: 26.9 days

The month with the most sunshine days is August (30.4 days).
The month with the least sunshine days is February (16.6 days).

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Average UV index in September
Dayr as Salib, Syria

Average UV index in September - Dayr as Salib, Syria
  • Average UV index in September: 7

The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January and December (UV index 3).

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Average cloud cover in September
Dayr as Salib, Syria

Average cloud cover in September - Dayr as Salib, Syria
  • Average cloud cover in September: 6

The month with the most cloud cover is January (Cloud cover 31).
The months with the least cloud cover are July and August (Cloud cover 2).

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Average visibility in September
Dayr as Salib, Syria

Average visibility in September - Dayr as Salib, Syria
  • 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).

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Dayr as Salib, Syria

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