September weather forecast
Ain Oussera, Algeria

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Weather in September

September brings a noticeable change in Ain Oussera’s weather as the city transitions into the autumn season. There is a marked decrease in temperature from a high of 36.8°C (98.2°F) in August to a milder 30.4°C (86.7°F). This marks the commencement of the fall season, with the city slowly bidding farewell to the long, hot summer. The skies remain bright, with the sun still shining for an average of 12.4 hours per day. The slight chill in the morning air and the softer daylight make September a delightful time of the year in Ain Oussera.

Temperature

As September commences in Ain Oussera, the average high-temperature shows a reduction, transitioning from a very hot 36.8°C (98.2°F) in August to a hot 30.4°C (86.7°F). During September, Ain Oussera's temperature averages to a pleasant 20.3°C (68.5°F) at night.

Heat index

September's mean heat index is estimated at a hot 30°C (86°F). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.
It is important to note that the heat index values are for shaded areas and light wind scenarios. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

In September, the average relative humidity is 41%.

Rainfall

In September, the rain falls for 6 days. Throughout September, 18mm (0.71") of precipitation is accumulated. Throughout the year, there are 64.6 rainfall days, and 136mm (5.35") of precipitation is accumulated.

Snowfall

January, March through December are months without snowfall in Ain Oussera.

Daylight

In September, the average length of the day is 12h and 24min.
On the first day of September, sunrise is at 06:21 and sunset at 19:15. On the last day of the month, sunrise is at 06:42 and sunset at 18:33 CET.

Sunshine

In September, the average sunshine is 9.6h.

UV index

The average daily maximum UV index in September in Ain Oussera, Algeria, is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 6 during September translates into these guidelines:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Resources | Updated: Jan 25, 2024 | Published by: Weather Atlas

Frequently asked questions

How hot is it in Ain Oussera in September?

The average high-temperature, in September, in Ain Oussera, is 30.4°C (86.7°F), while the average low-temperature is 20.3°C (68.5°F). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is estimated at 30°C (86°F).

What is the average humidity in September in Ain Oussera?

The average relative humidity in September in Ain Oussera is 41%.

How much does it rain in Ain Oussera in September?

In Ain Oussera, Algeria, in September, it is raining for 6 days, with typically 18mm (0.71") of accumulated precipitation.

When it does not snow in Ain Oussera?

In Ain Oussera, Algeria, snow does not fall in January, March through December.

What is the average length of the day in September in Ain Oussera?

The average day length in September in Ain Oussera, Algeria, is 12h and 24min.

When are sunrise and sunset in September in Ain Oussera?

In September, on the first day of the month, sunrise is at 06:21 and sunset at 19:15. On the last day of the month, in Ain Oussera, sunrise is at 06:42 and sunset at 18:33 CET.

How many hours of sunshine does Ain Oussera have in September?

In September, the average sunshine duration is 9.6h.

What is the UV index intensity in September in Ain Oussera?

In Ain Oussera, Algeria, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in September
Ain Oussera, Algeria

Average temperature in September - Ain Oussera, Algeria
  • Average high temperature in September: 30.4°C

The warmest month (with the highest average high temperature) is July (37.7°C).
The month with the lowest average high temperature is January (12.9°C).

  • Average low temperature in September: 20.3°C

The month with the highest average low temperature is July (24.8°C).
The coldest month (with the lowest average low temperature) is January (4.4°C).

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Average pressure in September
Ain Oussera, Algeria

Average pressure in September - Ain Oussera, Algeria
  • Average pressure in September: 1016.8mbar

The month with the highest atmospheric pressure is December (1022.9mbar).
The month with the lowest atmospheric pressure is April (1014.6mbar).

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Average wind speed in September
Ain Oussera, Algeria

Average wind speed in September - Ain Oussera, Algeria
  • Average wind speed in September: 10km/h

The windiest month (with the highest average wind speed) is March (13.4km/h).
The calmest month (with the lowest average wind speed) is October (9.8km/h).

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Average humidity in September
Ain Oussera, Algeria

Average humidity in September - Ain Oussera, Algeria
  • Average humidity in September: 41%

The month with the highest relative humidity is January (65%).
The month with the lowest relative humidity is July (26%).

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Average rainfall in September
Ain Oussera, Algeria

Average rainfall in September - Ain Oussera, Algeria
  • Average rainfall in September: 18mm

The wettest month (with the highest rainfall) is April (21mm).
The driest month (with the least rainfall) is August (4mm).

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Average rainfall days in September
Ain Oussera, Algeria

Average rainfall days in September - Ain Oussera, Algeria
  • Average rainfall days in September: 6 days

The month with the highest number of rainy days is April (8.9 days).
The month with the least rainy days is June (3 days).

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Average snowfall in September
Ain Oussera, Algeria

Average snowfall in September - Ain Oussera, Algeria
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (2mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days in September
Ain Oussera, Algeria

Average snowfall days in September - Ain Oussera, Algeria
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in September /
Average sunshine in September
Ain Oussera, Algeria

Average daylight in September / Average sunshine in September - Ain Oussera, 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 months with the most sunshine are June and July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

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Average sunshine days in September
Ain Oussera, Algeria

Average sunshine days in September - Ain Oussera, Algeria
  • Average sunshine days in September: 21.9 days

The month with the most sunshine days is December (26.6 days).
The month with the least sunshine days is April (20.3 days).

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Average UV index in September
Ain Oussera, Algeria

Average UV index in September - Ain Oussera, Algeria
  • Average UV index in September: 6

The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January and December (UV index 3).

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Average cloud cover in September
Ain Oussera, Algeria

Average cloud cover in September - Ain Oussera, Algeria
  • Average cloud cover in September: 16

The month with the most cloud cover is January (Cloud cover 31).
The months with the least cloud cover are June and August (Cloud cover 10).

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Average visibility in September
Ain Oussera, Algeria

Average visibility in September - Ain Oussera, 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).

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Ain Oussera, Algeria

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