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
September
Weather in September
Temperature
With September's onset, the weather shows a temperature decrease, transitioning from a very hot 37.3°C (99.1°F) in August to a tropical 31.8°C (89.2°F). September nights bring a pronounced temperature shift, with averages hovering around a refreshing 19.2°C (66.6°F).Heat index
The heat index for September is appraised at a hot 34°C (93.2°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.When referencing the heat index, its values are suitable for shady environments and light breezes. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', evaluates the perceived heat by adding the effect of moisture in the air. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
In Gerena, Spain, the average relative humidity in September is 49%.Rainfall
In Gerena, during September, the rain falls for 5 days and regularly aggregates up to 10mm (0.39") of precipitation. Throughout the year, there are 71.6 rainfall days, and 281mm (11.06") of precipitation is accumulated.Daylight
The average length of the day in September in Gerena is 12h and 25min.On the first day of September in Gerena, sunrise is at 07:55 and sunset at 20:53. On the last day of the month, sunrise is at 08:19 and sunset at 20:09 CEST.
Sunshine
The average sunshine in September is 9.5h.UV index
In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 6 during September, leads to the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September in Gerena?
What is the average humidity in September in Gerena?
How many days does it rain in September in Gerena?
How many hours of daylight does Gerena have in September?
When is the sunrise / sunset in September in Gerena?
How long on average sun shines in September in Gerena?
What is the UV index reading in September in Gerena?
Average temperature in September
Gerena, 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
Gerena, 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
Gerena, 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
Gerena, 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
Gerena, 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
Gerena, 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
Gerena, 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
Gerena, 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
Gerena, 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
Gerena, 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
Gerena, 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).
