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
September suggests a modest reduction in the average high-temperature, shifting from a warm 28.5°C (83.3°F) in August to a still moderately hot 23°C (73.4°F). Nighttime temperature in Rillo experiences an average drop to a fresh 11.7°C (53.1°F) in September.Humidity
The average relative humidity in September in Rillo is 56%.Rainfall
In September, the rain falls for 7.6 days. Throughout September, 16mm (0.63") of precipitation is accumulated. In Rillo, during the entire year, the rain falls for 114.9 days and collects up to 308mm (12.13") of precipitation.Snowfall
June through October are months without snowfall in Rillo.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 07:31 and sunset at 20:36. On the last day of September, sunrise is at 08:00 and sunset at 19:47 CEST.
Sunshine
In September, the average sunshine in Rillo is 9.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 5 suggests this advice:
Be vigilant - Preventing sunburn is recommended. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Rillo?
What is the average humidity in September in Rillo?
How many days does it rain in September in Rillo?
When it does not snow in Rillo?
How many hours of daylight does Rillo have in September?
When are sunrise and sunset in September in Rillo?
How long on average sun shines in September in Rillo?
What is the UV index reading in September in Rillo?
Average temperature in September
Rillo, Spain
- Average high temperature in September: 23°C
The warmest months (with the highest average high temperature) are July and August (28.5°C).
The month with the lowest average high temperature is January (7.2°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is August (15.6°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).
Average pressure in September
Rillo, Spain
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1014.9mbar).
Average wind speed in September
Rillo, Spain
- Average wind speed in September: 9.7km/h
The windiest month (with the highest average wind speed) is February (17.7km/h).
The calmest month (with the lowest average wind speed) is September (9.7km/h).
Average humidity in September
Rillo, Spain
- Average humidity in September: 56%
The month with the highest relative humidity is January (75%).
The months with the lowest relative humidity are July and August (47%).
Average rainfall in September
Rillo, Spain
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is April (48mm).
The driest months (with the least rainfall) are July and August (12mm).
Average rainfall days in September
Rillo, Spain
- Average rainfall days in September: 7.6 days
The month with the highest number of rainy days is April (14.6 days).
The month with the least rainy days is July (6.1 days).
Average snowfall in September
Rillo, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is March (48mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Rillo, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rillo, Spain
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
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 July (Average sunshine: 11h and 54min).
The month with the least sunshine is November (Average sunshine: 6h and 24min).
Average sunshine days in September
Rillo, Spain
- Average sunshine days in September: 21.1 days
The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in September
Rillo, Spain
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Rillo, Spain
- Average cloud cover in September: 19
The months with the most cloud cover are January and November (Cloud cover 37).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in September
Rillo, Spain
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, February, March, April and November (9km).
