September weather forecastOviedo, Spain
September
Weather in September
September signifies the onset of autumn in Oviedo. As the month marks the retreat from high summer temperatures, a slight nip enters the air. While rainfall remains low compared to the winter months, precipitation of 28mm (1.1"), the lowest amount of the year, occurs within 13.5 days. Extending daylight and sunshine hours indicate longer periods for public enjoyment. Moving into October, the city adopts a cooler character as fall deepens.Temperature
September brings an average high-temperature of a still pleasant 20.9°C (69.6°F), nearly identical to the preceding month. Oviedo experiences an average low-temperature reading of 11.8°C (53.2°F) throughout September.Humidity
The average relative humidity in September is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.5 days and typically collects 28mm (1.1") of precipitation.Snowfall
April through November are months without snowfall.Sea temperature
In September, the average sea temperature is 19°C (66.2°F).Note: Swimming in water of 19°C (66.2°F) is not enjoyable for the majority of individuals. Breathing control becomes increasingly challenging as the temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
In September, the average length of the day is 12h and 30min.On the first day of the month, sunrise is at 07:48 and sunset at 20:58. On the last day of September, in Oviedo, sunrise is at 08:20 and sunset at 20:06 CEST.
Sunshine
In September, the average sunshine is 8.7h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Prioritize safety - Recommendations to avert sunburn are shared. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Oviedo, Spain
- Average high temperature in September: 20.9°C
The warmest month (with the highest average high temperature) is August (22.7°C).
The month with the lowest average high temperature is January (9.9°C).
- Average low temperature in September: 11.8°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is February (3.5°C).
Average pressure in September
Oviedo, Spain
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1021.7mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in September
Oviedo, Spain
- Average wind speed in September: 7.7km/h
The windiest month (with the highest average wind speed) is February (11.8km/h).
The calmest month (with the lowest average wind speed) is August (7km/h).
Average humidity in September
Oviedo, Spain
- Average humidity in September: 78%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (76%).
Average rainfall in September
Oviedo, Spain
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is November (96mm).
The driest month (with the least rainfall) is September (28mm).
Average rainfall days in September
Oviedo, Spain
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is April (20.1 days).
The month with the least rainy days is September (13.5 days).
Average snowfall in September
Oviedo, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is February (12mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Oviedo, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in September
Oviedo, Spain
- Average sea temperature in September: 19°C
The best month for swimming (with the highest average sea temperature) is August (20°C).
The coldest months (with the lowest average sea temperature) are January, February, March and April (13°C).
Average daylight in September /
Average sunshine in September
Oviedo, Spain
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in September
Oviedo, Spain
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is December (14.5 days).
The month with the least sunshine days is April (7 days).
Average UV index in September
Oviedo, Spain
- Average UV index in September: 4
The months with the highest UV index are May, July and August (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in September
Oviedo, Spain
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in September
Oviedo, Spain
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, September, October, November and December (9km).
The months with the lowest visibility are May, June, July and August (8km).
