September weather forecastMascara, Algeria
September
Weather in September
September in Mascara, Algeria, marks the transition season from summer to autumn. It's cooler than August and would continue on a downward temperature trend into October. The snowfall absence persists, marking the change towards autumn. September survives the highest post-summer temperatures reaching 30.2°C (86.4°F). Despite the receding temperatures, the humidity remains relatively low within a comfortable range.Temperature
September's arrival coincides with a drop in the average high-temperature, decreasing from August's very hot 35.3°C (95.5°F) to a tropical 30.2°C (86.4°F). Mascara registers a consistent average low-temperature of 19.8°C (67.6°F) during September.Heat index
The heat index for September is calculated to be a hot 31°C (87.8°F). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.Metrics for the heat index primarily focus on shaded spots and light wind conditions. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. 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.
Humidity
In September, the average relative humidity in Mascara is 50%.Rainfall
In Mascara, in September, during 5.1 rainfall days, 8mm (0.31") of precipitation is typically accumulated. Throughout the year, in Mascara, there are 80.1 rainfall days, and 181mm (7.13") of precipitation is accumulated.Snowfall
In Mascara, snow does not fall in March through December.Daylight
In September, the average length of the day is 12h and 24min.On the first day of the month, sunrise is at 06:32 and sunset at 19:26. On the last day of September, in Mascara, sunrise is at 06:53 and sunset at 18:44 CET.
Sunshine
The average sunshine in September is 9.6h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 6 in September translates into this advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mascara, Algeria
- Average high temperature in September: 30.2°C
The warmest month (with the highest average high temperature) is July (35.8°C).
The month with the lowest average high temperature is January (14.4°C).
- Average low temperature in September: 19.8°C
The month with the highest average low temperature is August (23.7°C).
The coldest month (with the lowest average low temperature) is February (5.6°C).
Average pressure in September
Mascara, Algeria
- Average pressure in September: 1016.3mbar
The month with the highest atmospheric pressure is December (1022.7mbar).
The months with the lowest atmospheric pressure are April and July (1014.9mbar).
Average wind speed in September
Mascara, Algeria
- Average wind speed in September: 7.6km/h
The windiest month (with the highest average wind speed) is February (11.8km/h).
The calmest month (with the lowest average wind speed) is September (7.6km/h).
Average humidity in September
Mascara, Algeria
- Average humidity in September: 50%
The month with the highest relative humidity is January (67%).
The month with the lowest relative humidity is July (37%).
Average rainfall in September
Mascara, Algeria
- Average rainfall in September: 8mm
The wettest month (with the highest rainfall) is April (32mm).
The driest month (with the least rainfall) is August (2mm).
Average rainfall days in September
Mascara, Algeria
- Average rainfall days in September: 5.1 days
The months with the highest number of rainy days are January and March (10.8 days).
The month with the least rainy days is August (2.5 days).
Average snowfall in September
Mascara, Algeria
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (3mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Mascara, Algeria
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Mascara, Algeria
- Average daylight in September: 12h and 24min
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: 9h and 36min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in September
Mascara, Algeria
- Average sunshine days in September: 23.9 days
The month with the most sunshine days is July (27.7 days).
The month with the least sunshine days is February (18.1 days).
Average UV index in September
Mascara, Algeria
- Average UV index in September: 6
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).
Average cloud cover in September
Mascara, Algeria
- Average cloud cover in September: 15
The month with the most cloud cover is January (Cloud cover 32).
The months with the least cloud cover are June and August (Cloud cover 10).
Average visibility in September
Mascara, Algeria
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).





