September weather forecastGijón, Spain
September
Weather in September
September sees a slight decline in temperature highs, with values falling back to 21.7°C (71.1°F). A further deceleration in daylight hours signifies the oncoming fall. However, rainfall shows a downward trend, bottoming out at 24mm (0.94"). The sea remains pleasantly warm, although it begins to lose its summer heat. Despite being the start of fall, the UV Index remains at 5, offering sufficient sunlight for those seeking to bask in the outdoors.Temperature
The commencement of September in Gijón, Spain, records an average high-temperature of a still pleasant 21.7°C (71.1°F), barely varying from August's 22.6°C (72.7°F). An average low-temperature of 14.4°C (57.9°F) is noted in Gijón during the month of September.Humidity
The average relative humidity in September is 78%.Rainfall
In Gijón, in September, during 9.9 rainfall days, 24mm (0.94") of precipitation is typically accumulated. In Gijón, during the entire year, the rain falls for 171.1 days and collects up to 653mm (25.71") of precipitation.Snowfall
In Gijón, snow does not fall in March through December.Sea temperature
In Gijón, the average seawater temperature in September is 19.8°C (67.6°F).Note: Most people find it challenging to enjoy swimming in water that is 19.8°C (67.6°F). As water temperature falls below 21°C (69.8°F), controlling breathing grows increasingly difficult.
Daylight
In September, the average length of the day in Gijón is 12h and 30min.On the first day of September in Gijón, sunrise is at 07:47 and sunset at 20:57. On the last day of the month, sunrise is at 08:19 and sunset at 20:05 CEST.
Sunshine
In September, the average sunshine in Gijón is 8.3h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 5 during September leads to these advisories:
Put precautions into practice - Protective measures against sun-induced damage are advised. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gijón, Spain
- Average high temperature in September: 21.7°C
The warmest month (with the highest average high temperature) is August (22.6°C).
The month with the lowest average high temperature is January (11.8°C).
- Average low temperature in September: 14.4°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is February (6.5°C).
Average pressure in September
Gijón, Spain
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1021.5mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in September
Gijón, Spain
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is February (14.7km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).
Average humidity in September
Gijón, 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 (74%).
Average rainfall in September
Gijón, Spain
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is November (99mm).
The driest month (with the least rainfall) is July (19mm).
Average rainfall days in September
Gijón, Spain
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is November (18.1 days).
The month with the least rainy days is September (9.9 days).
Average snowfall in September
Gijón, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is January (3mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Gijón, Spain
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in September
Gijón, Spain
- Average sea temperature in September: 19.8°C
The best month for swimming (with the highest average sea temperature) is August (20.6°C).
The coldest months (with the lowest average sea temperature) are February and March (12.8°C).
Average daylight in September /
Average sunshine in September
Gijón, Spain
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in September
Gijón, Spain
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is November (10.1 days).
Average UV index in September
Gijón, Spain
- Average UV index in September: 5
The months with the highest UV index are May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, April and November (UV index 3).
Average cloud cover in September
Gijón, Spain
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in September
Gijón, Spain
- Average visibility in September: 9km
The months with the highest visibility are February, March, October and December (10km).
The months with the lowest visibility are January, April, May, June, July, August, September and November (9km).
