Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
As September arrives, Derrag's weather displays a decrease in high-temperatures, transitioning from August's hot 34.6°C (94.3°F) to a moderately hot 28.5°C (83.3°F). September's average low-temperature reading settles at a comfortable 18.6°C (65.5°F).Heat index
For September, the heat index is appraised at 29°C (84.2°F). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', gives a temperature feeling by integrating air temperature and humidity. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
The average relative humidity in September is 49%.Rainfall
In September, the rain falls for 10.1 days. Throughout September, 25mm (0.98") of precipitation is accumulated. Throughout the year, there are 111 rainfall days, and 265mm (10.43") of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 24min.On the first day of the month, sunrise is at 06:22 and sunset at 19:17. On the last day of September, sunrise is at 06:45 and sunset at 18:35 CET.
Sunshine
The average sunshine in September is 9.5h.UV index
In Derrag, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 6 during September translates into the following guidance:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September in Derrag?
What is the UV index reading in September?
Average temperature in September
Derrag, Algeria
- Average high temperature in September: 28.5°C
The warmest month (with the highest average high temperature) is July (35.7°C).
The month with the lowest average high temperature is January (11.6°C).
- Average low temperature in September: 18.6°C
The month with the highest average low temperature is August (22.9°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).
Average pressure in September
Derrag, Algeria
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1014.7mbar).
Average wind speed in September
Derrag, Algeria
- Average wind speed in September: 8.5km/h
The windiest month (with the highest average wind speed) is March (11.3km/h).
The calmest month (with the lowest average wind speed) is October (8.4km/h).
Average humidity in September
Derrag, Algeria
- Average humidity in September: 49%
The month with the highest relative humidity is January (72%).
The month with the lowest relative humidity is July (34%).
Average rainfall in September
Derrag, Algeria
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is April (43mm).
The driest months (with the least rainfall) are July and August (6mm).
Average rainfall days in September
Derrag, Algeria
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is March (14.5 days).
The month with the least rainy days is July (4.5 days).
Average snowfall in September
Derrag, Algeria
- Average snowfall in September: 0mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Derrag, Algeria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Derrag, Algeria
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in September
Derrag, Algeria
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is July (23.9 days).
The months with the least sunshine days are March and April (14.2 days).
Average UV index in September
Derrag, 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, February, November and December (UV index 3).
Average cloud cover in September
Derrag, Algeria
- Average cloud cover in September: 18
The month with the most cloud cover is January (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in September
Derrag, Algeria
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).
