September weather forecastCernadilla, Spain

September

Weather in September

September, the first month of the autumn in Cernadilla, is still a warm month, with temperature in the range of an average low of 11.5°C (52.7°F) and an average high of 24.2°C (75.6°F).

Temperature

Cernadilla's progression into September involves a minor drop in the average high-temperature, slightly receding from a moderately hot 28.3°C (82.9°F) in August to a still warm 24.2°C (75.6°F). Throughout September, Cernadilla braces for a considerable drop from daytime highs, with an average low-temperature of 11.5°C (52.7°F).

Humidity

The average relative humidity in September is 57%.

Rainfall

In September, in Cernadilla, the rain falls for 6.9 days. Throughout September, 27mm (1.06") of precipitation is accumulated. Throughout the year, in Cernadilla, there are 141.4 rainfall days, and 527mm (20.75") of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in September in Cernadilla is 12h and 29min.
On the first day of September, sunrise is at 07:51 and sunset at 20:59. On the last day of the month, sunrise is at 08:22 and sunset at 20:08 CEST.

Sunshine

In September, the average sunshine is 9.8h.

UV index

In September, the average daily maximum UV index in Cernadilla is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: A maximum UV index of 5 in September translates into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. To protect against the Sun's most potent rays, avoid direct exposure around midday. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

During September, Cernadilla experiences an average high-temperature of 24.2°C (75.6°F) and a low-temperature of 11.5°C (52.7°F). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is computed to be 29°C (84.2°F).

In September, the average relative humidity is 57%.

In Cernadilla, during September, the rain falls for 6.9 days and regularly aggregates up to 27mm (1.06") of precipitation.

April through October are months without snowfall in Cernadilla, Spain.

The average day length in September in Cernadilla, Spain, is 12h and 29min.

On the first day of September in Cernadilla, sunrise is at 07:51 and sunset at 20:59. On the last day of the month, sunrise is at 08:22 and sunset at 20:08 CEST.

In Cernadilla, Spain, the average sunshine duration in September is 9.8h.

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's 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
Cernadilla, Spain

  • Average high temperature in September: 24.2°C

The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (8.3°C).

  • Average low temperature in September: 11.5°C

The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).

Average pressure in September
Cernadilla, Spain

  • Average pressure in September: 1017.8mbar

The month with the highest atmospheric pressure is December (1022.9mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

Average wind speed in September
Cernadilla, Spain

  • Average wind speed in September: 8.3km/h

The windiest month (with the highest average wind speed) is March (11.2km/h).
The calmest month (with the lowest average wind speed) is September (8.3km/h).

Average humidity in September
Cernadilla, Spain

  • Average humidity in September: 57%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (52%).

Average rainfall in September
Cernadilla, Spain

  • Average rainfall in September: 27mm

The wettest month (with the highest rainfall) is November (73mm).
The driest month (with the least rainfall) is August (11mm).

Average rainfall days in September
Cernadilla, Spain

  • Average rainfall days in September: 6.9 days

The month with the highest number of rainy days is April (17.6 days).
The month with the least rainy days is August (4.2 days).

Average snowfall in September
Cernadilla, Spain

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Cernadilla, 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
Cernadilla, Spain

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 9h and 48min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

Average sunshine days in September
Cernadilla, Spain

  • Average sunshine days in September: 20.8 days

The month with the most sunshine days is August (24.5 days).
The month with the least sunshine days is April (10.8 days).

Average UV index in September
Cernadilla, Spain

  • Average UV index in September: 5

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

Average cloud cover in September
Cernadilla, Spain

  • Average cloud cover in September: 20

The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 13).

Average visibility in September
Cernadilla, Spain

  • Average visibility in September: 10km

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