September weather forecastCastiello de Jaca, Spain
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Castiello de Jaca, Spain, with an average temperature ranging between max 19.6°C (67.3°F) and min 9.2°C (48.6°F).Temperature
September marks a gentle change in average high-temperature, declining from August's warm 23.7°C (74.7°F) to an enjoyable 19.6°C (67.3°F). In Castiello de Jaca, the average low-temperature during the month of September is a chilly 9.2°C (48.6°F).Humidity
In September, the average relative humidity in Castiello de Jaca is 71%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.4 days and typically collects 39mm (1.54") of precipitation.Snowfall
July through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September, sunrise is at 07:27 and sunset at 20:36. On the last day of the month, sunrise is at 07:58 and sunset at 19:45 CEST.
Sunshine
The average sunshine in September is 9.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 4 in September transforms into this advice:
Be vigilant - Preventing sunburn is recommended. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Castiello de Jaca, Spain
- Average high temperature in September: 19.6°C
The warmest month (with the highest average high temperature) is August (23.7°C).
The month with the lowest average high temperature is January (4.9°C).
- Average low temperature in September: 9.2°C
The month with the highest average low temperature is August (12.2°C).
The coldest month (with the lowest average low temperature) is February (-2.4°C).
Average pressure in September
Castiello de Jaca, Spain
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1022.1mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Castiello de Jaca, Spain
- Average wind speed in September: 6.8km/h
The windiest month (with the highest average wind speed) is February (9.7km/h).
The calmest month (with the lowest average wind speed) is September (6.8km/h).
Average humidity in September
Castiello de Jaca, Spain
- Average humidity in September: 71%
The month with the highest relative humidity is November (82%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Castiello de Jaca, Spain
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is November (119mm).
The driest month (with the least rainfall) is September (39mm).
Average rainfall days in September
Castiello de Jaca, Spain
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in September
Castiello de Jaca, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is January (709mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days in September
Castiello de Jaca, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Castiello de Jaca, 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 6min).
- Average sunshine in September: 9h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is November (Average sunshine: 5h and 54min).
Average sunshine days in September
Castiello de Jaca, Spain
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is April (9.1 days).
Average UV index in September
Castiello de Jaca, Spain
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Castiello de Jaca, Spain
- Average cloud cover in September: 22
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Castiello de Jaca, Spain
- Average visibility in September: 9km
The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January and November (8km).
