September weather forecastLeganés, Spain
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Leganés, Spain, with an average temperature fluctuating between 27.4°C (81.3°F) and 16°C (60.8°F).Temperature
The arrival of September corresponds with a shift in temperature, down from a hot 32.6°C (90.7°F) in August to a warm 27.4°C (81.3°F). September nights experience a consistent temperature drop to a comfortable 16°C (60.8°F).Heat index
September's average heat index is estimated at 27°C (80.6°F). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.Heat index determinations are made taking into account the shade and light air movements. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
In Leganés, the average relative humidity in September is 43%.Rainfall
In Leganés, in September, it is raining for 4.9 days, with typically 15mm (0.59") of accumulated precipitation. In Leganés, during the entire year, the rain falls for 94.5 days and collects up to 263mm (10.35") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day in Leganés is 12h and 28min.On the first day of the month, sunrise is at 07:43 and sunset at 20:46. On the last day of September, sunrise is at 08:10 and sunset at 19:58 CEST.
Sunshine
In Leganés, the average sunshine in September is 9.6h.UV index
In September, the average daily maximum UV index in Leganés is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In September, an average UV index of 5 transforms into the following instructions:
Be vigilant - Preventing sunburn is recommended. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Leganés, Spain
- Average high temperature in September: 27.4°C
The warmest month (with the highest average high temperature) is July (33.1°C).
The month with the lowest average high temperature is January (10°C).
- Average low temperature in September: 16°C
The month with the highest average low temperature is July (20.3°C).
The coldest month (with the lowest average low temperature) is January (2.3°C).
Average pressure in September
Leganés, Spain
- Average pressure in September: 1017.2mbar
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
Leganés, Spain
- Average wind speed in September: 9.4km/h
The windiest month (with the highest average wind speed) is February (13.1km/h).
The calmest month (with the lowest average wind speed) is September (9.4km/h).
Average humidity in September
Leganés, 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
Leganés, Spain
- Average rainfall in September: 15mm
The wettest month (with the highest rainfall) is April (46mm).
The driest month (with the least rainfall) is July (5mm).
Average rainfall days in September
Leganés, Spain
- Average rainfall days in September: 4.9 days
The month with the highest number of rainy days is April (13.9 days).
The month with the least rainy days is August (2.1 days).
Average snowfall in September
Leganés, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is February (15mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Leganés, Spain
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (1.3 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
Leganés, 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 18min).
Average sunshine days in September
Leganés, Spain
- Average sunshine days in September: 23.4 days
The month with the most sunshine days is August (27.2 days).
The month with the least sunshine days is April (14.1 days).
Average UV index in September
Leganés, 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
Leganés, Spain
- Average cloud cover in September: 14
The months with the most cloud cover are January and November (Cloud cover 33).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in September
Leganés, 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).
