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
The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a tropical 32.8°C (91°F) in August to a warm 28.5°C (83.3°F). September is characterized by a distinct thermal shift, with nighttime lows averaging at a refreshing 15.5°C (59.9°F).Heat index
In September, the average heat index is estimated at 29°C (84.2°F). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.When assessing, remember that heat index measurements are for light winds and shaded spots. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
The average relative humidity in September in Herrera de Alcántara is 49%.Rainfall
In Herrera de Alcántara, in September, it is raining for 5 days, with typically 16mm (0.63") of accumulated precipitation. In Herrera de Alcántara, Spain, during the entire year, the rain falls for 97 days and collects up to 369mm (14.53") of precipitation.Snowfall
February through December are months without snowfall.Daylight
In Herrera de Alcántara, the average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 07:58 and sunset at 21:00. On the last day of the month, sunrise is at 08:25 and sunset at 20:13 CEST.
Sunshine
In Herrera de Alcántara, the average sunshine in September is 9.5h.UV index
The average daily maximum UV index in September in Herrera de Alcántara is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 5 during September leads to these instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Herrera de Alcántara in September?
What is the average humidity in September in Herrera de Alcántara?
How much does it rain in Herrera de Alcántara in September?
When it does not snow in Herrera de Alcántara?
What is the average length of the day in September in Herrera de Alcántara?
When are sunrise and sunset in September in Herrera de Alcántara?
How long on average sun shines in September in Herrera de Alcántara?
What is the UV index intensity in September in Herrera de Alcántara?
Average temperature in September
Herrera de Alcántara, Spain
- Average high temperature in September: 28.5°C
The warmest month (with the highest average high temperature) is August (32.8°C).
The month with the lowest average high temperature is January (11.6°C).
- Average low temperature in September: 15.5°C
The month with the highest average low temperature is July (17.2°C).
The coldest month (with the lowest average low temperature) is January (3.9°C).
Average pressure in September
Herrera de Alcántara, Spain
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is December (1023mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in September
Herrera de Alcántara, Spain
- Average wind speed in September: 8.3km/h
The windiest month (with the highest average wind speed) is February (11.3km/h).
The calmest month (with the lowest average wind speed) is September (8.3km/h).
Average humidity in September
Herrera de Alcántara, Spain
- Average humidity in September: 49%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (44%).
Average rainfall in September
Herrera de Alcántara, Spain
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is November (60mm).
The driest months (with the least rainfall) are July and August (3mm).
Average rainfall days in September
Herrera de Alcántara, Spain
- Average rainfall days in September: 5 days
The month with the highest number of rainy days is November (12.3 days).
The month with the least rainy days is August (1.5 days).
Average snowfall in September
Herrera de Alcántara, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is January (1mm).
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
Herrera de Alcántara, Spain
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and March (0.1 days).
The months with the least snowfall days are February, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Herrera de Alcántara, Spain
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 3min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Herrera de Alcántara, Spain
- Average sunshine days in September: 23.3 days
The month with the most sunshine days is August (28.3 days).
The month with the least sunshine days is April (16.6 days).
Average UV index in September
Herrera de Alcántara, Spain
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Herrera de Alcántara, Spain
- Average cloud cover in September: 16
The month with the most cloud cover is January (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in September
Herrera de Alcántara, Spain
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The month with the lowest visibility is January (8km).
