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 advent of September brings a slight shift in average high-temperature, moving from a warm 29.8°C (85.6°F) in August to a still moderately hot 25.5°C (77.9°F). Despite high daytime temperatures, the average temperature lowers to a cool 12.7°C (54.9°F) during September nights.Humidity
In September, the average relative humidity in Rollán, Spain, is 48%.Rainfall
August and September are months with the least rain when the rain falls for 3.9 days and typically aggregates up to 5mm (0.2") of rain.Snowfall
In Rollán, snow does not fall in May through October.Daylight
In Rollán, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 07:50 and sunset at 20:56. On the last day of September, in Rollán, sunrise is at 08:19 and sunset at 20:07 CEST.
Sunshine
In Rollán, the average sunshine in September is 9.5h.UV index
In September, the average daily maximum UV index in Rollán is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Rollán in September?
What is the average humidity in September in Rollán?
What is the driest month in Rollán?
How many days does it rain in September in Rollán?
When it does not snow in Rollán?
How many hours of daylight does Rollán have in September?
When is the sunrise / sunset in September in Rollán?
How many hours of sunshine does Rollán have in September?
What is the UV index intensity in September in Rollán?
Average temperature in September
Rollán, Spain
- Average high temperature in September: 25.5°C
The warmest months (with the highest average high temperature) are July and August (29.8°C).
The month with the lowest average high temperature is January (8.5°C).
- Average low temperature in September: 12.7°C
The month with the highest average low temperature is July (15.6°C).
The coldest month (with the lowest average low temperature) is February (1.1°C).
Average pressure in September
Rollán, Spain
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is December (1023.6mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in September
Rollán, Spain
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is February (15.5km/h).
The calmest month (with the lowest average wind speed) is September (10.3km/h).
Average humidity in September
Rollán, Spain
- Average humidity in September: 48%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (41%).
Average rainfall in September
Rollán, Spain
- Average rainfall in September: 5mm
The wettest month (with the highest rainfall) is April (27mm).
The driest months (with the least rainfall) are August and September (5mm).
Average rainfall days in September
Rollán, Spain
- Average rainfall days in September: 3.9 days
The month with the highest number of rainy days is April (12 days).
The month with the least rainy days is August (2.3 days).
Average snowfall in September
Rollán, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is February (23mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Rollán, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Rollán, Spain
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in September
Rollán, Spain
- Average sunshine days in September: 24.1 days
The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is April (15 days).
Average UV index in September
Rollán, Spain
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Rollán, Spain
- Average cloud cover in September: 16
The month with the most cloud cover is January (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Rollán, Spain
- Average visibility in September: 10km
The months with the highest visibility are February, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, March, April, May and November (9km).
