September weather forecastSantiponce, Spain
September
Weather in September
The first month of the autumn, September, is still a tropical month in Santiponce, Spain, with an average temperature fluctuating between 19.2°C (66.6°F) and 31.8°C (89.2°F).Temperature
During the transition into September, Santiponce observes a decrease in the average high-temperature, falling from a sweltering 37.3°C (99.1°F) in August to a hot 31.8°C (89.2°F). Nighttime temperatures in Santiponce exhibit a substantial dip from daytime highs during September, averaging at an enjoyable 19.2°C (66.6°F).Heat index
The average heat index in September is computed to be a tropical 34°C (93.2°F). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.When assessing, remember that heat index measurements are for light winds and shaded spots. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Humidity
The average relative humidity in September is 49%.Rainfall
In Santiponce, during September, the rain falls for 5 days and regularly aggregates up to 10mm (0.39") of precipitation. Throughout the year, in Santiponce, there are 71.6 rainfall days, and 281mm (11.06") of precipitation is accumulated.Daylight
The average length of the day in September in Santiponce, Spain, is 12h and 25min.On the first day of the month, sunrise is at 07:55 and sunset at 20:53. On the last day of September, sunrise is at 08:19 and sunset at 20:08 CEST.
Sunshine
In Santiponce, Spain, the average sunshine in September is 9.5h.UV index
The average daily maximum UV index in September in Santiponce is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 6 during September morphs into the following directions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Santiponce, 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
Santiponce, 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
Santiponce, 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
Santiponce, 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
Santiponce, 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
Santiponce, 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
Santiponce, Spain
- Average daylight in September: 12h and 24min
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 30min
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
Santiponce, 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
Santiponce, 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
Santiponce, 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
Santiponce, 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).
