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
September weather is marked by a drop in the average high-temperature, falling from a hot 34.5°C (94.1°F) in August to a moderately hot 29.4°C (84.9°F). Sidi Yacoub reports a consistent average low-temperature of 19.5°C (67.1°F) throughout September nights.Heat index
During September, the heat index is evaluated at a hot 31°C (87.8°F). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.Realize that the values for the heat index are set for shaded places and light winds. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'real feel', provides an understanding of perceived warmth by combining temperature and relative humidity. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
In September, the average relative humidity is 54%.Rainfall
In Sidi Yacoub, in September, it is raining for 7 days, with typically 12mm (0.47") of accumulated precipitation. Throughout the year, there are 90 rainfall days, and 217mm (8.54") of precipitation is accumulated.Snowfall
In Sidi Yacoub, snow does not fall in March through December.Daylight
In Sidi Yacoub, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 06:36 and sunset at 19:29. On the last day of September, sunrise is at 06:57 and sunset at 18:48 CET.
Sunshine
In September, the average sunshine is 9.6h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 6 suggests this advice:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Sidi Yacoub, Algeria
- Average high temperature in September: 29.4°C
The warmest month (with the highest average high temperature) is July (34.8°C).
The month with the lowest average high temperature is January (14.7°C).
- Average low temperature in September: 19.5°C
The month with the highest average low temperature is August (23.1°C).
The coldest month (with the lowest average low temperature) is February (6.2°C).
Average pressure in September
Sidi Yacoub, Algeria
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is July (1014.8mbar).
Average wind speed in September
Sidi Yacoub, Algeria
- Average wind speed in September: 8km/h
The windiest month (with the highest average wind speed) is February (12.3km/h).
The calmest month (with the lowest average wind speed) is September (8km/h).
Average humidity in September
Sidi Yacoub, Algeria
- Average humidity in September: 54%
The months with the highest relative humidity are February and March (67%).
The month with the lowest relative humidity is July (41%).
Average rainfall in September
Sidi Yacoub, Algeria
- Average rainfall in September: 12mm
The wettest month (with the highest rainfall) is April (33mm).
The driest month (with the least rainfall) is July (3mm).
Average rainfall days in September
Sidi Yacoub, Algeria
- Average rainfall days in September: 7 days
The month with the highest number of rainy days is March (11.8 days).
The month with the least rainy days is August (3.8 days).
Average snowfall in September
Sidi Yacoub, Algeria
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (1mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Sidi Yacoub, Algeria
- Average snowfall days in September: 0 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, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Sidi Yacoub, Algeria
- 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: 9h and 4min
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 42min).
Average sunshine days in September
Sidi Yacoub, Algeria
- Average sunshine days in September: 20.8 days
The month with the most sunshine days is August (25.4 days).
The month with the least sunshine days is March (17.1 days).
Average UV index in September
Sidi Yacoub, 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
Sidi Yacoub, Algeria
- Average cloud cover in September: 16
The month with the most cloud cover is January (Cloud cover 31).
The month with the least cloud cover is June (Cloud cover 10).
Average visibility in September
Sidi Yacoub, Algeria
- Average visibility in September: 10km
The months with the highest visibility are January, February, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are March and April (9km).
