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 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's onset introduces a mild reduction in the average high-temperature, from a tropical 30.3°C (86.5°F) in August to a moderately hot 27.1°C (80.8°F). Zerizer reports an average nighttime low-temperature of 21°C (69.8°F) in September.Heat index
During September, the heat index is estimated at 29°C (84.2°F). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
The average relative humidity in September is 68%.Rainfall
In Zerizer, in September, during 9 rainfall days, 21mm (0.83") of precipitation is typically accumulated. Throughout the year, there are 135.7 rainfall days, and 464mm (18.27") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 05:59 and sunset at 18:56. On the last day of September, sunrise is at 06:23 and sunset at 18:13 CET.
Sunshine
In September, the average sunshine in Zerizer is 9.5h.UV index
In September, the average daily maximum UV index in Zerizer is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
How many hours of daylight does Zerizer have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Zerizer, Algeria
- Average high temperature in September: 27.1°C
The warmest month (with the highest average high temperature) is August (30.3°C).
The months with the lowest average high temperature are January and February (14.3°C).
- Average low temperature in September: 21°C
The month with the highest average low temperature is August (23°C).
The coldest month (with the lowest average low temperature) is February (8.7°C).
Average pressure in September
Zerizer, Algeria
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is December (1021.2mbar).
The month with the lowest atmospheric pressure is April (1014.8mbar).
Average wind speed in September
Zerizer, Algeria
- Average wind speed in September: 10km/h
The windiest month (with the highest average wind speed) is February (16.4km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in September
Zerizer, Algeria
- Average humidity in September: 68%
The month with the highest relative humidity is April (77%).
The month with the lowest relative humidity is July (62%).
Average rainfall in September
Zerizer, Algeria
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is January (71mm).
The driest month (with the least rainfall) is July (3mm).
Average rainfall days in September
Zerizer, Algeria
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is January (17.9 days).
The month with the least rainy days is July (2.8 days).
Average daylight in September /
Average sunshine in September
Zerizer, 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 42min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in September
Zerizer, Algeria
- Average sunshine days in September: 18.8 days
The month with the most sunshine days is July (27.3 days).
The month with the least sunshine days is February (10.5 days).
Average UV index in September
Zerizer, Algeria
- Average UV index in September: 6
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Zerizer, Algeria
- Average cloud cover in September: 20
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in September
Zerizer, 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).
