September weather forecastRetortillo, Spain

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Retortillo, Spain, with an average temperature varying between 12.7°C (54.9°F) and 25.5°C (77.9°F).

Temperature

With September's onset, the weather reveals a slight temperature decrease, transitioning from a moderately hot 29.8°C (85.6°F) in August to a still warm 25.5°C (77.9°F). Retortillo, amidst the high September temperatures, experiences a substantial shift to an average nighttime low of 12.7°C (54.9°F).

Humidity

The average relative humidity in September is 48%.

Rainfall

August and September are months with the least rain when the rain falls for 3.9 days and typically aggregates up to 5mm (0.2") of rain.

Snowfall

May through October are months without snowfall.

Daylight

In Retortillo, Spain, the average length of the day in September is 12h and 28min.
On the first day of September, sunrise is at 07:52 and sunset at 20:57. On the last day of the month, sunrise is at 08:21 and sunset at 20:08 CEST.

Sunshine

In Retortillo, the average sunshine in September is 9.5h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index of 5 during September translates into these guidelines:
Heed the precautions - It is counselled to guard against solar damage. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.

Frequently asked questions

During September, Retortillo experiences an average high-temperature of 25.5°C (77.9°F) and a low-temperature of 12.7°C (54.9°F). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 30°C (86°F).

In September, the average relative humidity is 48%.

The months with the least rainfall are August and September Rain falls for 3.9 days and accumulates 5mm (0.2") of rain.

In September, the rain falls for 3.9 days. Throughout September, 5mm (0.2") of precipitation is accumulated.

May through October are months without snowfall.

In Retortillo, the average day length in September is 12h and 28min.

On the first day of September, sunrise is at 07:52 and sunset at 20:57. On the last day of the month, sunrise is at 08:21 and sunset at 20:08 CEST.

In Retortillo, Spain, the average sunshine duration in September is 9.5h.

In Retortillo, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Retortillo, Spain

  • Average high temperature in September: 25.5°C

The warmest months (with the highest average high temperature) are July and August (29.8°C).
The month with the lowest average high temperature is January (8.5°C).

  • Average low temperature in September: 12.7°C

The month with the highest average low temperature is July (15.6°C).
The coldest month (with the lowest average low temperature) is February (1.1°C).

Average pressure in September
Retortillo, Spain

  • Average pressure in September: 1017.3mbar

The month with the highest atmospheric pressure is December (1023.6mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).

Average wind speed in September
Retortillo, Spain

  • Average wind speed in September: 10.3km/h

The windiest month (with the highest average wind speed) is February (15.5km/h).
The calmest month (with the lowest average wind speed) is September (10.3km/h).

Average humidity in September
Retortillo, Spain

  • Average humidity in September: 48%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (41%).

Average rainfall in September
Retortillo, Spain

  • Average rainfall in September: 5mm

The wettest month (with the highest rainfall) is April (27mm).
The driest months (with the least rainfall) are August and September (5mm).

Average rainfall days in September
Retortillo, Spain

  • Average rainfall days in September: 3.9 days

The month with the highest number of rainy days is April (12 days).
The month with the least rainy days is August (2.3 days).

Average snowfall in September
Retortillo, Spain

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (23mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Retortillo, Spain

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Retortillo, Spain

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 9h and 30min

The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

Average sunshine days in September
Retortillo, Spain

  • Average sunshine days in September: 24.1 days

The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is April (15 days).

Average UV index in September
Retortillo, Spain

  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Retortillo, Spain

  • Average cloud cover in September: 16

The month with the most cloud cover is January (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 9).

Average visibility in September
Retortillo, Spain

  • Average visibility in September: 10km

The months with the highest visibility are February, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, March, April, May and November (9km).