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 snowfall in September
- Average snowfall 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
Valle de la Serena's September weather shows a modest shift in high-temperatures, falling from August's fiery hot 35°C (95°F) to a hot 30.3°C (86.5°F). September nights bring a significant cooling from the heat of the day, with averages of 17°C (62.6°F).Heat index
The heat index in September is evaluated at a hot 30°C (86°F). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.In reference to the heat index, it's for places in shade and with a slight wind. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humidity
The average relative humidity in September is 43%.Rainfall
In Valle de la Serena, in September, during 5 rainfall days, 10mm (0.39") of precipitation is typically accumulated. In Valle de la Serena, during the entire year, the rain falls for 93.1 days and collects up to 281mm (11.06") of precipitation.Snowfall
February through December are months without snowfall.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 07:52 and sunset at 20:53. On the last day of September, sunrise is at 08:18 and sunset at 20:07 CEST.
Sunshine
In Valle de la Serena, Spain, 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 exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 6 in September interprets into the following advice:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the average humidity in September in Valle de la Serena?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Valle de la Serena have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Valle de la Serena, 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
Valle de la Serena, 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
Valle de la Serena, 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
Valle de la Serena, 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
Valle de la Serena, 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
Valle de la Serena, 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
Valle de la Serena, 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
Valle de la Serena, 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
Valle de la Serena, Spain
- Average daylight in September: 12h and 2min
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 30min).
- Average sunshine in September: 9h and 3min
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
Valle de la Serena, 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
Valle de la Serena, 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
Valle de la Serena, 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
Valle de la Serena, 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).
