September weather forecastBir El Arch, Algeria

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Bir El Arch, Algeria, with an average temperature ranging between min 17.3°C (63.1°F) and max 27.2°C (81°F).

Temperature

During Bir El Arch's transition into September, the average high-temperature lessens, moving from a tropical 32.8°C (91°F) in August to a moderately hot 27.2°C (81°F). An average low-temperature of 17.3°C (63.1°F) is noted during the nights in September.

Heat index

The heat index value for September is calculated to be 28°C (82.4°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
One should consider that heat index numbers are for shaded settings and light wind. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a numerical representation of warmth when taking temperature and moisture levels into account. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.

Humidity

In September, the average relative humidity in Bir El Arch is 55%.

Rainfall

In Bir El Arch, Algeria, during September, the rain falls for 11.8 days and regularly aggregates up to 37mm (1.46") of precipitation. In Bir El Arch, during the entire year, the rain falls for 107.4 days and collects up to 286mm (11.26") of precipitation.

Snowfall

April through October are months without snowfall in Bir El Arch.

Daylight

The average length of the day in September is 12h and 24min.
On the first day of September in Bir El Arch, sunrise is at 06:08 and sunset at 19:04. On the last day of the month, sunrise is at 06:31 and sunset at 18:21 CET.

Sunshine

In September, the average sunshine is 9.4h.

UV index

In Bir El Arch, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 5 in September translates into this advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

The average high-temperature, in September, in Bir El Arch, is 27.2°C (81°F), while the average low-temperature is 17.3°C (63.1°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in September is calculated to be 28°C (82.4°F).

The average relative humidity in September in Bir El Arch, Algeria, is 55%.

In Bir El Arch, Algeria, in September, during 11.8 rainfall days, 37mm (1.46") of precipitation is typically accumulated.

April through October are months without snowfall.

In Bir El Arch, the average day length in September is 12h and 24min.

On the first day of September in Bir El Arch, Algeria, sunrise is at 06:08 and sunset at 19:04. On the last day of the month, sunrise is at 06:31 and sunset at 18:21 CET.

In September, the average sunshine duration in Bir El Arch, Algeria, is 9.4h.

In Bir El Arch, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Bir El Arch, Algeria

  • Average high temperature in September: 27.2°C

The warmest month (with the highest average high temperature) is July (34.1°C).
The month with the lowest average high temperature is January (10.6°C).

  • Average low temperature in September: 17.3°C

The month with the highest average low temperature is August (21.3°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).

Average pressure in September
Bir El Arch, Algeria

  • Average pressure in September: 1016.6mbar

The month with the highest atmospheric pressure is December (1022mbar).
The month with the lowest atmospheric pressure is April (1014.4mbar).

Average wind speed in September
Bir El Arch, Algeria

  • Average wind speed in September: 8.1km/h

The windiest month (with the highest average wind speed) is March (10.1km/h).
The calmest month (with the lowest average wind speed) is September (8.1km/h).

Average humidity in September
Bir El Arch, Algeria

  • Average humidity in September: 55%

The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is July (37%).

Average rainfall in September
Bir El Arch, Algeria

  • Average rainfall in September: 37mm

The wettest month (with the highest rainfall) is March (38mm).
The driest month (with the least rainfall) is July (8mm).

Average rainfall days in September
Bir El Arch, Algeria

  • Average rainfall days in September: 11.8 days

The month with the highest number of rainy days is April (13.4 days).
The month with the least rainy days is July (5.1 days).

Average snowfall in September
Bir El Arch, Algeria

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (59mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Bir El Arch, Algeria

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.7 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
Bir El Arch, Algeria

  • Average daylight in September: 12h and 24min

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 24min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 24min).

Average sunshine days in September
Bir El Arch, Algeria

  • Average sunshine days in September: 14.8 days

The month with the most sunshine days is July (22.1 days).
The month with the least sunshine days is April (14.3 days).

Average UV index in September
Bir El Arch, Algeria

  • Average UV index in September: 5

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in September
Bir El Arch, Algeria

  • Average cloud cover in September: 21

The month with the most cloud cover is January (Cloud cover 38).
The months with the least cloud cover are July and August (Cloud cover 11).

Average visibility in September
Bir El Arch, Algeria

  • Average visibility in September: 10km

The months with the highest visibility are June, July, August and September (10km).
The month with the lowest visibility is January (8km).