September weather forecastCastrillo de la Valduerna, Spain
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Castrillo de la Valduerna, Spain, with an average temperature varying between 9°C (48.2°F) and 22.8°C (73°F).Temperature
In September, the meteorological conditions change slightly, with the average high-temperature moving from a moderately hot 26.3°C (79.3°F) in August to a pleasant 22.8°C (73°F). September nights in Castrillo de la Valduerna showcase a dramatic shift from daytime highs to an average temperature of 9°C (48.2°F).Humidity
In September, the average relative humidity is 66%.Rainfall
In Castrillo de la Valduerna, during September, the rain falls for 8 days and regularly aggregates up to 20mm (0.79") of precipitation. Throughout the year, in Castrillo de la Valduerna, there are 157.5 rainfall days, and 576mm (22.68") of precipitation is accumulated.Snowfall
In Castrillo de la Valduerna, snow does not fall in May through October.Daylight
In September, the average length of the day in Castrillo de la Valduerna, Spain, is 12h and 29min.On the first day of September, sunrise is at 07:50 and sunset at 20:58. On the last day of the month, sunrise is at 08:21 and sunset at 20:07 CEST.
Sunshine
In September, the average sunshine in Castrillo de la Valduerna is 9.3h.UV index
In September, the average daily maximum UV index in Castrillo de la Valduerna is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In September, a regular UV index of 4 translates into these guidelines:
Guard yourself - An obligation to protect skin and eyes from harm exists. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Castrillo de la Valduerna, Spain
- Average high temperature in September: 22.8°C
The warmest month (with the highest average high temperature) is August (26.3°C).
The month with the lowest average high temperature is January (7.3°C).
- Average low temperature in September: 9°C
The months with the highest average low temperature are July and August (10.8°C).
The coldest month (with the lowest average low temperature) is February (-0.3°C).
Average pressure in September
Castrillo de la Valduerna, Spain
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1022.4mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Castrillo de la Valduerna, Spain
- Average wind speed in September: 6.4km/h
The windiest month (with the highest average wind speed) is February (9km/h).
The calmest month (with the lowest average wind speed) is September (6.4km/h).
Average humidity in September
Castrillo de la Valduerna, Spain
- Average humidity in September: 66%
The months with the highest relative humidity are January and November (85%).
The month with the lowest relative humidity is August (62%).
Average rainfall in September
Castrillo de la Valduerna, Spain
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is November (91mm).
The driest month (with the least rainfall) is August (15mm).
Average rainfall days in September
Castrillo de la Valduerna, Spain
- Average rainfall days in September: 8 days
The months with the highest number of rainy days are April and November (17.4 days).
The month with the least rainy days is August (5.5 days).
Average snowfall in September
Castrillo de la Valduerna, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is February (32mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Castrillo de la Valduerna, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Castrillo de la Valduerna, Spain
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in September
Castrillo de la Valduerna, Spain
- Average sunshine days in September: 18.1 days
The month with the most sunshine days is August (21.7 days).
The month with the least sunshine days is November (8.8 days).
Average UV index in September
Castrillo de la Valduerna, Spain
- Average UV index in September: 4
The months with the highest UV index are May, 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
Castrillo de la Valduerna, Spain
- Average cloud cover in September: 25
The month with the most cloud cover is November (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in September
Castrillo de la Valduerna, Spain
- Average visibility in September: 9km
The months with the highest visibility are June, July, August and September (9km).
The months with the lowest visibility are January and November (7km).
