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
In Millanes, the average high-temperature in September drops from a hot 34.1°C (93.4°F) in August to a warm 29.1°C (84.4°F). In September, the temperature registers a significant dip to an average of 15.5°C (59.9°F) at night.Heat index
The heat index for September is calculated to be 29°C (84.2°F). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.Be advised, the heat index considers values for conditions in shade and with a light breeze. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', reflects the blend of air temperature and relative humidity to give a temperature impression. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly important for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Humidity
The average relative humidity in September is 44%.Rainfall
In Millanes, during September, the rain falls for 4.2 days and regularly aggregates up to 15mm (0.59") of precipitation. In Millanes, during the entire year, the rain falls for 90.5 days and collects up to 399mm (15.71") of precipitation.Snowfall
February through December are months without snowfall.Daylight
The average length of the day in September in Millanes is 12h and 27min.On the first day of September in Millanes, sunrise is at 07:50 and sunset at 20:53. On the last day of the month, sunrise is at 08:18 and sunset at 20:06 CEST.
Sunshine
The average sunshine in September in Millanes is 9.5h.UV index
In Millanes, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 5 during September leads to these advisories:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Millanes during September?
What is the average humidity in September in Millanes?
How much does it rain in Millanes in September?
When it does not snow in Millanes?
How many hours of daylight does Millanes have in September?
When is the sunrise / sunset in September in Millanes?
How long on average sun shines in September in Millanes?
What is the UV index intensity in September in Millanes?
Average temperature in September
Millanes, Spain
- Average high temperature in September: 29.1°C
The warmest month (with the highest average high temperature) is August (34.1°C).
The month with the lowest average high temperature is January (11.5°C).
- Average low temperature in September: 15.5°C
The month with the highest average low temperature is July (18.3°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).
Average pressure in September
Millanes, Spain
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is December (1023.5mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).
Average wind speed in September
Millanes, Spain
- Average wind speed in September: 7.8km/h
The windiest month (with the highest average wind speed) is March (10.4km/h).
The calmest months (with the lowest average wind speed) are September and October (7.8km/h).
Average humidity in September
Millanes, Spain
- Average humidity in September: 44%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (35%).
Average rainfall in September
Millanes, Spain
- Average rainfall in September: 15mm
The wettest month (with the highest rainfall) is November (60mm).
The driest month (with the least rainfall) is July (3mm).
Average rainfall days in September
Millanes, Spain
- Average rainfall days in September: 4.2 days
The month with the highest number of rainy days is April (11.8 days).
The month with the least rainy days is August (1.8 days).
Average snowfall in September
Millanes, 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
Millanes, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.2 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
Millanes, 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 month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Millanes, Spain
- Average sunshine days in September: 24.9 days
The month with the most sunshine days is August (28.9 days).
The month with the least sunshine days is April (16.9 days).
Average UV index in September
Millanes, Spain
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Millanes, Spain
- Average cloud cover in September: 15
The month with the most cloud cover is January (Cloud cover 39).
The months with the least cloud cover are July and August (Cloud cover 7).
Average visibility in September
Millanes, Spain
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September and October (10km).
The month with the lowest visibility is January (8km).
