Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The onset of September brings a small change in high-temperatures, falling from a sweltering 37.3°C (99.1°F) in August to a hot 31.8°C (89.2°F). In San Juan de Aznalfarache, the nighttime temperature registers a significant drop from daytime peaks to an average of 19.2°C (66.6°F) in September.Heat index
During September, the heat index is estimated at a tropical 34°C (93.2°F). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is an estimation of the warmth sensation when considering humidity levels. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold great significance to children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humidity
The average relative humidity in September is 49%.Rainfall
In September, in San Juan de Aznalfarache, the rain falls for 5 days. Throughout September, 10mm (0.39") of precipitation is accumulated. Throughout the year, in San Juan de Aznalfarache, there are 71.6 rainfall days, and 281mm (11.06") of precipitation is accumulated.Daylight
In September, the average length of the day in San Juan de Aznalfarache, Spain, is 12h and 25min.On the first day of September in San Juan de Aznalfarache, sunrise is at 07:55 and sunset at 20:52. On the last day of the month, sunrise is at 08:19 and sunset at 20:08 CEST.
Sunshine
In San Juan de Aznalfarache, the average sunshine in September is 9.5h.UV index
The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 6 in September leads to these guidelines:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
Is it hot in San Juan de Aznalfarache during September?
What is the average humidity in September in San Juan de Aznalfarache?
How many days does it rain in September in San Juan de Aznalfarache?
How many hours of daylight does San Juan de Aznalfarache have in September?
When is the sunrise / sunset in September in San Juan de Aznalfarache?
How many hours of sunshine does San Juan de Aznalfarache have in September?
What is the UV index intensity in September in San Juan de Aznalfarache?
Average temperature in September
San Juan de Aznalfarache, Spain
- Average high temperature in September: 31.8°C
The warmest month (with the highest average high temperature) is August (37.3°C).
The month with the lowest average high temperature is January (15.3°C).
- Average low temperature in September: 19.2°C
The month with the highest average low temperature is August (21.8°C).
The coldest month (with the lowest average low temperature) is February (6.6°C).
Average pressure in September
San Juan de Aznalfarache, Spain
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is December (1022.8mbar).
The months with the lowest atmospheric pressure are July and August (1014.9mbar).
Average wind speed in September
San Juan de Aznalfarache, Spain
- Average wind speed in September: 8km/h
The windiest month (with the highest average wind speed) is March (10.6km/h).
The calmest month (with the lowest average wind speed) is September (8km/h).
Average humidity in September
San Juan de Aznalfarache, Spain
- Average humidity in September: 49%
The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is August (38%).
Average rainfall in September
San Juan de Aznalfarache, Spain
- Average rainfall in September: 10mm
The wettest month (with the highest rainfall) is November (49mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in September
San Juan de Aznalfarache, Spain
- Average rainfall days in September: 5 days
The months with the highest number of rainy days are March and April (10.4 days).
The month with the least rainy days is July (1 days).
Average daylight in September /
Average sunshine in September
San Juan de Aznalfarache, Spain
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 8h and 6min).
Average sunshine days in September
San Juan de Aznalfarache, Spain
- Average sunshine days in September: 24.2 days
The month with the most sunshine days is July (29.7 days).
The month with the least sunshine days is April (18.5 days).
Average UV index in September
San Juan de Aznalfarache, Spain
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
San Juan de Aznalfarache, Spain
- Average cloud cover in September: 15
The months with the most cloud cover are January and March (Cloud cover 31).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in September
San Juan de Aznalfarache, Spain
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March and April (9km).
San Juan de Aznalfarache, Spain
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