September weather forecastAnsalonga, Andorra
September
Weather in September
September marks the beginning of fall in Ansalonga, with distinct changes in temperatures and daylight duration. Colorful foliage garbs the town while the weather takes a cooler turn, inviting autumn fans. Thin layers of snow start accumulating, illustrating a total of 35mm (1.38") within the month. As locals bid goodbye to summer, September passionately embraces the coolness. With October around the corner, colder days lie ahead.Temperature
The advent of September brings a subtle shift in temperature, with the average high moving from an agreeable 21.3°C (70.3°F) in August to a refreshing 17°C (62.6°F). Throughout the month of September, Ansalonga witnesses an average temperature of 6.4°C (43.5°F).Humidity
In Ansalonga, the average relative humidity in September is 75%.Rainfall
In Ansalonga, in September, during 14.1 rainfall days, 46mm (1.81") of precipitation is typically accumulated. In Ansalonga, Andorra, during the entire year, the rain falls for 141 days and collects up to 795mm (31.3") of precipitation.Snowfall
Months with snowfall in Ansalonga, Andorra, are January through June, August through December. In Ansalonga, during September, snow falls for 0.4 days and regularly aggregates up to 35mm (1.38") of snow. Throughout the year, in Ansalonga, there are 101 snowfall days, and 2823mm (111.14") of snow is accumulated.Daylight
The average length of the day in September is 12h and 29min.On the first day of September in Ansalonga, sunrise is at 07:19 and sunset at 20:28. On the last day of the month, sunrise is at 07:50 and sunset at 19:36 CEST.
Sunshine
The average sunshine in September is 9.1h.UV index
In Ansalonga, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 3 during September leads to these advisories:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ansalonga, Andorra
- Average high temperature in September: 17°C
The warmest month (with the highest average high temperature) is August (21.3°C).
The months with the lowest average high temperature are January and February (2.3°C).
- Average low temperature in September: 6.4°C
The month with the highest average low temperature is August (9.7°C).
The coldest month (with the lowest average low temperature) is February (-5.8°C).
Average pressure in September
Ansalonga, Andorra
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is December (1021.4mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).
Average wind speed in September
Ansalonga, Andorra
- Average wind speed in September: 6.2km/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 August (5.9km/h).
Average humidity in September
Ansalonga, Andorra
- Average humidity in September: 75%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are July and August (70%).
Average rainfall in September
Ansalonga, Andorra
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is May (90mm).
The driest month (with the least rainfall) is February (36mm).
Average rainfall days in September
Ansalonga, Andorra
- Average rainfall days in September: 14.1 days
The months with the highest number of rainy days are May and June (19.8 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Ansalonga, Andorra
- Average snowfall in September: 35mm
The month with the highest snowfall is March (501mm).
The month with the least snowfall is July (0mm).
Average snowfall days in September
Ansalonga, Andorra
- Average snowfall days in September: 0.4 days
The month with the highest number of snowfall days is March (17.1 days).
The month with the least snowfall days is July (0.1 days).
Average daylight in September /
Average sunshine in September
Ansalonga, Andorra
- 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 6min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in September
Ansalonga, Andorra
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is October (18 days).
The month with the least sunshine days is May (6.6 days).
Average UV index in September
Ansalonga, Andorra
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Ansalonga, Andorra
- Average cloud cover in September: 28
The month with the most cloud cover is April (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in September
Ansalonga, Andorra
- Average visibility in September: 9km
The months with the highest visibility are May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January, February, March, April and November (8km).
