September weather forecast
Guelta Zemmur, Western Sahara

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Weather in September

September in Guelta Zemmur brings a relief from the extreme heat of the past couple of months. What marks this month is the highest rainfall days, shooting up to 6.8 during the entire period. However, the temperature begins to fall gradually, making the weather more bearable. Additionally, wind speeds decrease, and visibility remains excellent throughout the period. As such, despite sporadic rainfall, the weather remains generally warm and clear.

Temperature

With September's arrival, Guelta Zemmur sees a decrease in average high-temperatures, moving from a blisteringly hot 40.9°C (105.6°F) in August to a very hot 35.8°C (96.4°F). In September, the average low-temperature records at a moderately hot 24.2°C (75.6°F) during the nights.

Humidity

In September, the average relative humidity in Guelta Zemmur, Western Sahara, is 34%.

Rainfall

In Guelta Zemmur, in September, it is raining for 6.8 days, with typically 14mm (0.55") of accumulated precipitation. In Guelta Zemmur, Western Sahara, during the entire year, the rain falls for 25.5 days and collects up to 53mm (2.09") of precipitation.

Daylight

In Guelta Zemmur, Western Sahara, the average length of the day in September is 12h and 17min.
On the first day of September, sunrise is at 07:30 and sunset at 20:08. On the last day of the month, sunrise is at 07:41 and sunset at 19:37 +01.

Sunshine

In Guelta Zemmur, the average sunshine in September is 9.6h.

UV index

The average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 7 in September translates into the following recommendations:
Deflect overexposure. Sun protection is a necessity. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Opt for tightly woven and loose clothing to enhance protection from the Sun.
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Frequently asked questions

How hot does it get in Guelta Zemmur in September?

In Guelta Zemmur, in September, the average high-temperature is 35.8°C (96.4°F), and the average low-temperature is 24.2°C (75.6°F).

What is the average humidity in September in Guelta Zemmur?

In September, the average relative humidity in Guelta Zemmur, Western Sahara, is 34%.

How much does it rain in Guelta Zemmur in September?

In Guelta Zemmur, Western Sahara, in September, it is raining for 6.8 days, with typically 14mm (0.55") of accumulated precipitation.

What is the average length of the day in September in Guelta Zemmur?

In September, the average day length in Guelta Zemmur, Western Sahara, is 12h and 17min.

When is the sunrise / sunset in September in Guelta Zemmur?

In September, on the first day of the month, sunrise is at 07:30 and sunset at 20:08. On the last day of the month, sunrise is at 07:41 and sunset at 19:37 +01.

How many hours of sunshine does Guelta Zemmur have in September?

In September, the average sunshine duration in Guelta Zemmur is 9.6h.

What is the UV index reading in September in Guelta Zemmur?

In September, the average daily maximum UV index in Guelta Zemmur, Western Sahara, is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.

Average temperature in September
Guelta Zemmur, Western Sahara

Average temperature in September - Guelta Zemmur, Western Sahara
  • Average high temperature in September: 35.8°C

The warmest month (with the highest average high temperature) is July (41.2°C).
The month with the lowest average high temperature is January (21.8°C).

  • Average low temperature in September: 24.2°C

The month with the highest average low temperature is August (26.3°C).
The coldest month (with the lowest average low temperature) is January (11.1°C).

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Average pressure in September
Guelta Zemmur, Western Sahara

Average pressure in September - Guelta Zemmur, Western Sahara
  • Average pressure in September: 1013.5mbar

The month with the highest atmospheric pressure is January (1020.5mbar).
The month with the lowest atmospheric pressure is August (1010.5mbar).

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Average wind speed in September
Guelta Zemmur, Western Sahara

Average wind speed in September - Guelta Zemmur, Western Sahara
  • Average wind speed in September: 19.7km/h

The windiest month (with the highest average wind speed) is July (25.7km/h).
The calmest month (with the lowest average wind speed) is October (15.9km/h).

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Average humidity in September
Guelta Zemmur, Western Sahara

Average humidity in September - Guelta Zemmur, Western Sahara
  • Average humidity in September: 34%

The month with the highest relative humidity is November (41%).
The months with the lowest relative humidity are July and August (26%).

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Average rainfall in September
Guelta Zemmur, Western Sahara

Average rainfall in September - Guelta Zemmur, Western Sahara
  • Average rainfall in September: 14mm

The wettest month (with the highest rainfall) is October (17mm).
The driest month (with the least rainfall) is March (0mm).

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Average rainfall days in September
Guelta Zemmur, Western Sahara

Average rainfall days in September - Guelta Zemmur, Western Sahara
  • Average rainfall days in September: 6.8 days

The month with the highest number of rainy days is September (6.8 days).
The month with the least rainy days is December (0.7 days).

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Average daylight in September /
Average sunshine in September
Guelta Zemmur, Western Sahara

Average daylight in September / Average sunshine in September - Guelta Zemmur, Western Sahara
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).

  • Average sunshine in September: 9h and 4min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is November (Average sunshine: 8h and 6min).

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Average sunshine days in September
Guelta Zemmur, Western Sahara

Average sunshine days in September - Guelta Zemmur, Western Sahara
  • Average sunshine days in September: 21.6 days

The month with the most sunshine days is December (30.3 days).
The month with the least sunshine days is September (21.6 days).

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Average UV index in September
Guelta Zemmur, Western Sahara

Average UV index in September - Guelta Zemmur, Western Sahara
  • Average UV index in September: 7

The months with the highest UV index are June, July and August (UV index 8).
The months with the lowest UV index are January and December (UV index 5).

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Average cloud cover in September
Guelta Zemmur, Western Sahara

Average cloud cover in September - Guelta Zemmur, Western Sahara
  • Average cloud cover in September: 13

The month with the most cloud cover is September (Cloud cover 13).
The months with the least cloud cover are May and June (Cloud cover 7).

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Average visibility in September
Guelta Zemmur, Western Sahara

Average visibility in September - Guelta Zemmur, Western Sahara
  • 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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Guelta Zemmur, Western Sahara

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