September weather forecastOlmillos de Castro, Spain
September
Weather in September
The first month of the autumn, September, is still a warm month in Olmillos de Castro, Spain, with an average temperature varying between 13.4°C (56.1°F) and 25.6°C (78.1°F).Temperature
September signifies a minor drop in average high-temperature, transitioning from 29.7°C (85.5°F) in August to a still warm 25.6°C (78.1°F). Olmillos de Castro observes a dramatic plunge from daytime highs in September, settling at an average low-temperature of 13.4°C (56.1°F).Humidity
In September, the average relative humidity in Olmillos de Castro, Spain, is 50%.Rainfall
In September, in Olmillos de Castro, the rain falls for 5.1 days. Throughout September, 13mm (0.51") of precipitation is accumulated. In Olmillos de Castro, Spain, during the entire year, the rain falls for 105.3 days and collects up to 257mm (10.12") of precipitation.Snowfall
In Olmillos de Castro, snow does not fall in April through October.Daylight
The average length of the day in September in Olmillos de Castro is 12h and 28min.On the first day of the month, sunrise is at 07:50 and sunset at 20:57. On the last day of September, sunrise is at 08:20 and sunset at 20:07 CEST.
Sunshine
In Olmillos de Castro, Spain, the average sunshine in September is 9.4h.UV index
The average daily maximum UV index in September in Olmillos de Castro, Spain, is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Olmillos de Castro, Spain
- Average high temperature in September: 25.6°C
The warmest month (with the highest average high temperature) is August (29.7°C).
The month with the lowest average high temperature is January (9°C).
- Average low temperature in September: 13.4°C
The month with the highest average low temperature is July (16.1°C).
The coldest months (with the lowest average low temperature) are January and February (2°C).
Average pressure in September
Olmillos de Castro, Spain
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is December (1023.3mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Olmillos de Castro, Spain
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is February (16.7km/h).
The calmest month (with the lowest average wind speed) is September (11.6km/h).
Average humidity in September
Olmillos de Castro, Spain
- Average humidity in September: 50%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (44%).
Average rainfall in September
Olmillos de Castro, Spain
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is April (37mm).
The driest month (with the least rainfall) is August (8mm).
Average rainfall days in September
Olmillos de Castro, Spain
- Average rainfall days in September: 5.1 days
The month with the highest number of rainy days is April (14.8 days).
The month with the least rainy days is August (2.8 days).
Average snowfall in September
Olmillos de Castro, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is December (12mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Olmillos de Castro, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Olmillos de Castro, 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 12min).
- Average sunshine in September: 9h and 24min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in September
Olmillos de Castro, Spain
- Average sunshine days in September: 24.2 days
The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is April (13.7 days).
Average UV index in September
Olmillos de Castro, Spain
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in September
Olmillos de Castro, Spain
- Average cloud cover in September: 18
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in September
Olmillos de Castro, Spain
- Average visibility in September: 10km
The months with the highest visibility are February, March, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, April, November and December (9km).





