September weather forecastAjalvir, Spain

September

Weather in September

September, the first month of the autumn in Ajalvir, is still a warm month, with an average temperature ranging between min 15.6°C (60.1°F) and max 27.3°C (81.1°F).

Temperature

The decrease of average high-temperatures is mild in September, with a decline from a tropical 32.5°C (90.5°F) in August to a warm 27.3°C (81.1°F). Ajalvir experiences a consistent average temperature of 15.6°C (60.1°F) throughout the nights in September.

Heat index

The heat index value during September is estimated at 27°C (80.6°F). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.

Humidity

The average relative humidity in September is 43%.

Rainfall

In Ajalvir, in September, it is raining for 4.4 days, with typically 13mm (0.51") of accumulated precipitation. Throughout the year, there are 89.2 rainfall days, and 240mm (9.45") of precipitation is accumulated.

Snowfall

In Ajalvir, snow does not fall in April through October.

Daylight

The average length of the day in September in Ajalvir is 12h and 28min.
On the first day of September in Ajalvir, Spain, sunrise is at 07:41 and sunset at 20:45. On the last day of the month, sunrise is at 08:09 and sunset at 19:57 CEST.

Sunshine

In September, the average sunshine in Ajalvir, Spain, is 9.6h.

UV index

In Ajalvir, Spain, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: In September, a daily UV index of 5 turns into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

The high-temperature, in September, in Ajalvir, records 27.3°C (81.1°F), while the low-temperature is 15.6°C (60.1°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 27°C (80.6°F).

The average relative humidity in September is 43%.

In Ajalvir, in September, during 4.4 rainfall days, 13mm (0.51") of precipitation is typically accumulated.

April through October are months without snowfall.

The average day length in September in Ajalvir is 12h and 28min.

On the first day of September in Ajalvir, sunrise is at 07:41 and sunset at 20:45. On the last day of the month, sunrise is at 08:09 and sunset at 19:57 CEST.

The average sunshine duration in September in Ajalvir, Spain, is 9.6h.

In Ajalvir, Spain, the average daily maximum UV index in September is 5. A UV Index 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
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Ajalvir, Spain

  • Average high temperature in September: 27.3°C

The warmest month (with the highest average high temperature) is July (33.2°C).
The month with the lowest average high temperature is January (10°C).

  • Average low temperature in September: 15.6°C

The month with the highest average low temperature is July (20.2°C).
The coldest month (with the lowest average low temperature) is January (2°C).

Average pressure in September
Ajalvir, 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 (1015mbar).

Average wind speed in September
Ajalvir, Spain

  • Average wind speed in September: 9.6km/h

The windiest month (with the highest average wind speed) is March (12.5km/h).
The calmest months (with the lowest average wind speed) are October and December (9.5km/h).

Average humidity in September
Ajalvir, Spain

  • Average humidity in September: 43%

The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is July (32%).

Average rainfall in September
Ajalvir, Spain

  • Average rainfall in September: 13mm

The wettest month (with the highest rainfall) is April (41mm).
The driest month (with the least rainfall) is July (6mm).

Average rainfall days in September
Ajalvir, Spain

  • Average rainfall days in September: 4.4 days

The month with the highest number of rainy days is April (12.3 days).
The month with the least rainy days is August (2.3 days).

Average snowfall in September
Ajalvir, Spain

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Ajalvir, Spain

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.8 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
Ajalvir, Spain

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 9h and 36min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).

Average sunshine days in September
Ajalvir, Spain

  • Average sunshine days in September: 23.6 days

The month with the most sunshine days is July (26.9 days).
The month with the least sunshine days is April (14.9 days).

Average UV index in September
Ajalvir, Spain

  • Average UV index in September: 5

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in September
Ajalvir, Spain

  • Average cloud cover in September: 15

The month with the most cloud cover is January (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 8).

Average visibility in September
Ajalvir, Spain

  • Average visibility in September: 10km

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