September weather forecastLlerena, Spain
September
Weather in September
The first month of the autumn, September, is still a tropical month in Llerena, Spain, with an average temperature fluctuating between 30.3°C (86.5°F) and 17°C (62.6°F).Temperature
In September, the average high-temperature marginally drops from a very hot 35°C (95°F) in August to a tropical 30.3°C (86.5°F). Llerena observes a substantial disparity between daytime high and the average low-temperature of 17°C (62.6°F) during September nights.Heat index
September's heat index is evaluated at a hot 30°C (86°F). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.Heat index determinations are made taking into account the shade and light air movements. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humidity
The average relative humidity in September in Llerena is 43%.Rainfall
In Llerena, in September, it is raining for 5 days, with typically 10mm (0.39") of accumulated precipitation. Throughout the year, there are 93.1 rainfall days, and 281mm (11.06") of precipitation is accumulated.Snowfall
February through December are months without snowfall in Llerena, Spain.Daylight
In September, the average length of the day in Llerena is 12h and 26min.On the first day of September in Llerena, sunrise is at 07:54 and sunset at 20:53. On the last day of the month, sunrise is at 08:19 and sunset at 20:08 CEST.
Sunshine
In Llerena, the average sunshine in September is 9.5h.UV index
The average daily maximum UV index in September in Llerena is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 6 suggests this advice:
Resist extreme sun exposure. Guarding against solar damage is essential. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Llerena, Spain
- Average high temperature in September: 30.3°C
The warmest month (with the highest average high temperature) is August (35°C).
The month with the lowest average high temperature is January (12.8°C).
- Average low temperature in September: 17°C
The month with the highest average low temperature is July (19.2°C).
The coldest month (with the lowest average low temperature) is January (3.9°C).
Average pressure in September
Llerena, Spain
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is December (1023.2mbar).
The month with the lowest atmospheric pressure is July (1014.9mbar).
Average wind speed in September
Llerena, Spain
- Average wind speed in September: 8.3km/h
The windiest month (with the highest average wind speed) is March (11.6km/h).
The calmest month (with the lowest average wind speed) is September (8.3km/h).
Average humidity in September
Llerena, Spain
- Average humidity in September: 43%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (36%).
Average rainfall in September
Llerena, Spain
- Average rainfall in September: 10mm
The wettest month (with the highest rainfall) is November (43mm).
The driest month (with the least rainfall) is August (3mm).
Average rainfall days in September
Llerena, Spain
- Average rainfall days in September: 5 days
The month with the highest number of rainy days is April (13.3 days).
The months with the least rainy days are July and August (1.8 days).
Average snowfall in September
Llerena, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Llerena, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Llerena, Spain
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 9h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 7h and 18min).
Average sunshine days in September
Llerena, Spain
- Average sunshine days in September: 23.5 days
The month with the most sunshine days is August (28.4 days).
The month with the least sunshine days is April (14.4 days).
Average UV index in September
Llerena, Spain
- Average UV index in September: 6
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, November and December (UV index 3).
Average cloud cover in September
Llerena, Spain
- Average cloud cover in September: 15
The month with the most cloud cover is January (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 6).
Average visibility in September
Llerena, Spain
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).
