September weather forecastSerranillos, Spain
September
Weather in September
The first month of the autumn, September, is still a warm month in Serranillos, Spain, with an average temperature fluctuating between 15.8°C (60.4°F) and 29.1°C (84.4°F).Temperature
September sees a slight reduction in average high-temperature, with a shift from a tropical 33.9°C (93°F) in August to a moderately hot 29.1°C (84.4°F). Serranillos observes a distinct decrease from peak daytime temperatures, with an average low-temperature of 15.8°C (60.4°F) throughout the month of September.Heat index
September's average heat index is estimated at 29°C (84.2°F). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.In the scope of the heat index, its values resonate with shade and light wind conditions. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. 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 especially crucial for babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
The average relative humidity in September is 42%.Rainfall
In September, the rain falls for 3.7 days. Throughout September, 9mm (0.35") of precipitation is accumulated. In Serranillos, Spain, during the entire year, the rain falls for 76.3 days and collects up to 229mm (9.02") of precipitation.Snowfall
March through December are months without snowfall.Daylight
In September, the average length of the day in Serranillos is 12h and 28min.On the first day of the month, sunrise is at 07:47 and sunset at 20:51. On the last day of September, in Serranillos, Spain, sunrise is at 08:15 and sunset at 20:03 CEST.
Sunshine
The average sunshine in September is 9.6h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Exercise prevention - Protecting skin and eyes from harm is required. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Serranillos, Spain
- Average high temperature in September: 29.1°C
The warmest month (with the highest average high temperature) is July (34°C).
The month with the lowest average high temperature is January (11.5°C).
- Average low temperature in September: 15.8°C
The months with the highest average low temperature are July and August (19.5°C).
The coldest month (with the lowest average low temperature) is January (2.5°C).
Average pressure in September
Serranillos, Spain
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is December (1023.7mbar).
The month with the lowest atmospheric pressure is April (1015mbar).
Average wind speed in September
Serranillos, Spain
- Average wind speed in September: 8.3km/h
The windiest month (with the highest average wind speed) is March (11.4km/h).
The calmest month (with the lowest average wind speed) is October (8.2km/h).
Average humidity in September
Serranillos, Spain
- Average humidity in September: 42%
The month with the highest relative humidity is January (75%).
The months with the lowest relative humidity are July and August (32%).
Average rainfall in September
Serranillos, Spain
- Average rainfall in September: 9mm
The wettest month (with the highest rainfall) is April (34mm).
The driest month (with the least rainfall) is July (5mm).
Average rainfall days in September
Serranillos, Spain
- Average rainfall days in September: 3.7 days
The month with the highest number of rainy days is March (10.7 days).
The month with the least rainy days is August (1.8 days).
Average snowfall in September
Serranillos, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is February (7mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Serranillos, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Serranillos, 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 24min).
- Average sunshine in September: 9h and 36min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in September
Serranillos, Spain
- Average sunshine days in September: 25 days
The month with the most sunshine days is July (28.3 days).
The month with the least sunshine days is April (17.2 days).
Average UV index in September
Serranillos, Spain
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in September
Serranillos, Spain
- Average cloud cover in September: 13
The month with the most cloud cover is January (Cloud cover 32).
The month with the least cloud cover is July (Cloud cover 6).
Average visibility in September
Serranillos, Spain
- Average visibility in September: 10km
The months with the highest visibility are February, March, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and April (9km).





