September weather forecastAdrar, Algeria
September
Weather in September
September in Adrar, marks the commencement of a perceptible decrease in temperature, a nod towards autumn's arrival. Yet, the UV index stays at 8, advising caution for sun exposure. The month receives a bit more precipitation at 5mm (0.2"), compared to the scorching summer months. Coupled with lighter winds of 15km/h (9.3mph), September brings a slight shift in the hot, dry scale of Adrar’s weather. A noticeable dip in temperatures from 37.2°C (99°F) to 28.8°C (83.8°F) works together with declining daylight hours of 12.3 to cue the departure of the harsh summer.Temperature
A modest decline in the average high-temperature is seen in Adrar during September, decreasing from a blistering 43.7°C (110.7°F) in August to a torrid 39.7°C (103.5°F). Adrar records an average low of 28.8°C (83.8°F) throughout the nights in September.Humidity
The average relative humidity in September in Adrar is 17%.Rainfall
In Adrar, in September, during 3.8 rainfall days, 5mm (0.2") of precipitation is typically accumulated. Throughout the year, there are 16.2 rainfall days, and 24mm (0.94") of precipitation is accumulated.Daylight
In Adrar, Algeria, the average length of the day in September is 12h and 19min.On the first day of the month, sunrise is at 06:39 and sunset at 19:21. On the last day of September, in Adrar, sunrise is at 06:53 and sunset at 18:47 CET.
Sunshine
In Adrar, Algeria, the average sunshine in September is 9.9h.UV index
In Adrar, the average daily maximum UV index in September is 8. A UV Index estimate of 8 to 10 represents a very high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 8 in September translates into this advice:
Take important precautions because unprotected skin can burn and be harmed swiftly. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Adrar, Algeria
- Average high temperature in September: 39.7°C
The warmest month (with the highest average high temperature) is July (44.8°C).
The month with the lowest average high temperature is January (19.3°C).
- Average low temperature in September: 28.8°C
The month with the highest average low temperature is July (32.7°C).
The coldest month (with the lowest average low temperature) is January (9.2°C).
Average pressure in September
Adrar, Algeria
- Average pressure in September: 1011.6mbar
The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is July (1009.1mbar).
Average wind speed in September
Adrar, Algeria
- Average wind speed in September: 15km/h
The windiest month (with the highest average wind speed) is May (17.6km/h).
The calmest month (with the lowest average wind speed) is January (14.8km/h).
Average humidity in September
Adrar, Algeria
- Average humidity in September: 17%
The month with the highest relative humidity is December (40%).
The month with the lowest relative humidity is July (10%).
Average rainfall in September
Adrar, Algeria
- Average rainfall in September: 5mm
The wettest month (with the highest rainfall) is April (6mm).
The driest months (with the least rainfall) are February and December (0mm).
Average rainfall days in September
Adrar, Algeria
- Average rainfall days in September: 3.8 days
The month with the highest number of rainy days is September (3.8 days).
The month with the least rainy days is December (0.3 days).
Average daylight in September /
Average sunshine in September
Adrar, Algeria
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in September: 9h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are January and December (Average sunshine: 9h and 36min).
Average sunshine days in September
Adrar, Algeria
- Average sunshine days in September: 25.4 days
The month with the most sunshine days is December (30.7 days).
The month with the least sunshine days is September (25.4 days).
Average UV index in September
Adrar, Algeria
- Average UV index in September: 8
The months with the highest UV index are June, July and August (UV index 9).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in September
Adrar, Algeria
- Average cloud cover in September: 10
The months with the most cloud cover are April, May, September and October (Cloud cover 10).
The months with the least cloud cover are June and August (Cloud cover 6).
Average visibility in September
Adrar, Algeria
- 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).
