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
Weather in September
Temperature
A moderate decline in average high-temperatures is noted in September, moving from a tropical 33°C (91.4°F) in August to a moderately hot 28.4°C (83.1°F). In September, Aïn Defla's temperature tends to fall to an average low of 19°C (66.2°F) during the night.Heat index
The heat index for September is estimated at a tropical 30°C (86°F). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.For clarity, heat index numbers account for light winds and areas under shade. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
The average relative humidity in September is 58%.Rainfall
In Aïn Defla, during September, the rain falls for 8.8 days and regularly aggregates up to 18mm (0.71") of precipitation. In Aïn Defla, during the entire year, the rain falls for 108.2 days and collects up to 318mm (12.52") of precipitation.Snowfall
In Aïn Defla, 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 06:24 and sunset at 19:19. On the last day of September, sunrise is at 06:46 and sunset at 18:37 CET.
Sunshine
In Aïn Defla, the average sunshine in September is 9.5h.UV index
The average daily maximum UV index in September in Aïn Defla is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 6 in September translates into these instructions:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
How hot is September in Aïn Defla?
What is the average humidity in September in Aïn Defla?
How many days does it rain in September in Aïn Defla?
When it does not snow in Aïn Defla?
What is the average length of the day in September in Aïn Defla?
What time are sunrise and sunset in September in Aïn Defla?
How long on average sun shines in September in Aïn Defla?
What is the UV index reading in September in Aïn Defla?
Average temperature in September
Aïn Defla, Algeria
- Average high temperature in September: 28.4°C
The warmest months (with the highest average high temperature) are July and August (33°C).
The month with the lowest average high temperature is January (13.1°C).
- Average low temperature in September: 19°C
The month with the highest average low temperature is August (22.2°C).
The coldest month (with the lowest average low temperature) is February (5.3°C).
Average pressure in September
Aïn Defla, Algeria
- Average pressure in September: 1016.4mbar
The month with the highest atmospheric pressure is December (1022.4mbar).
The months with the lowest atmospheric pressure are April and July (1014.8mbar).
Average wind speed in September
Aïn Defla, Algeria
- Average wind speed in September: 7.2km/h
The windiest month (with the highest average wind speed) is February (10.3km/h).
The calmest months (with the lowest average wind speed) are September and October (7.2km/h).
Average humidity in September
Aïn Defla, Algeria
- Average humidity in September: 58%
The months with the highest relative humidity are January and February (73%).
The month with the lowest relative humidity is July (47%).
Average rainfall in September
Aïn Defla, Algeria
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is April (50mm).
The driest month (with the least rainfall) is July (3mm).
Average rainfall days in September
Aïn Defla, Algeria
- Average rainfall days in September: 8.8 days
The month with the highest number of rainy days is March (13.8 days).
The month with the least rainy days is August (3.4 days).
Average snowfall in September
Aïn Defla, Algeria
- Average snowfall in September: 0mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Aïn Defla, Algeria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Aïn Defla, 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 12min).
The month with the least sunshine is November (Average sunshine: 6h and 6min).
Average sunshine days in September
Aïn Defla, Algeria
- Average sunshine days in September: 18 days
The month with the most sunshine days is July (26.2 days).
The month with the least sunshine days is April (14.5 days).
Average UV index in September
Aïn Defla, Algeria
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Aïn Defla, Algeria
- Average cloud cover in September: 17
The month with the most cloud cover is January (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in September
Aïn Defla, Algeria
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, February, March, April and November (9km).
Aïn Defla, Algeria
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