Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The onset of September comes with a shift in the average high-temperature, falling from a sweltering 36.2°C (97.2°F) in August to a tropical 30.3°C (86.5°F). Nighttime temperatures in Castro del Río exhibit a substantial dip from daytime highs during September, averaging at a refreshing 17.6°C (63.7°F).Heat index
The heat index value for September is computed to be a hot 31°C (87.8°F). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.For clarity, heat index numbers account for light winds and areas under shade. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a composite of temperature and humidity figures to convey how warm it feels. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
In Castro del Río, the average relative humidity in September is 47%.Rainfall
In Castro del Río, during September, the rain falls for 5.2 days and regularly aggregates up to 12mm (0.47") of precipitation. Throughout the year, there are 81.8 rainfall days, and 263mm (10.35") of precipitation is accumulated.Daylight
In Castro del Río, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 07:48 and sunset at 20:47. On the last day of September, sunrise is at 08:13 and sunset at 20:02 CEST.
Sunshine
In Castro del Río, the average sunshine in September is 9.5h.UV index
The average daily maximum UV index in September in Castro del Río is 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.Note: In September, a regular UV index of 6 translates into these guidelines:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
How hot does it get in Castro del Río in September?
What is the average humidity in September in Castro del Río?
How much does it rain in Castro del Río in September?
How many hours of daylight does Castro del Río have in September?
What time are sunrise and sunset in September in Castro del Río?
How many hours of sunshine does Castro del Río have in September?
How high is the UV index in September in Castro del Río?
Average temperature in September
Castro del Río, Spain
- Average high temperature in September: 30.3°C
The warmest month (with the highest average high temperature) is August (36.2°C).
The month with the lowest average high temperature is January (13.3°C).
- Average low temperature in September: 17.6°C
The month with the highest average low temperature is August (21.2°C).
The coldest month (with the lowest average low temperature) is January (4.7°C).
Average pressure in September
Castro del Río, Spain
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is December (1023mbar).
The month with the lowest atmospheric pressure is July (1015mbar).
Average wind speed in September
Castro del Río, Spain
- Average wind speed in September: 7.3km/h
The windiest month (with the highest average wind speed) is February (10.3km/h).
The calmest months (with the lowest average wind speed) are September and October (7.3km/h).
Average humidity in September
Castro del Río, Spain
- Average humidity in September: 47%
The month with the highest relative humidity is January (76%).
The months with the lowest relative humidity are July and August (35%).
Average rainfall in September
Castro del Río, Spain
- Average rainfall in September: 12mm
The wettest month (with the highest rainfall) is March (41mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in September
Castro del Río, Spain
- Average rainfall days in September: 5.2 days
The month with the highest number of rainy days is March (12.1 days).
The month with the least rainy days is July (1.8 days).
Average daylight in September /
Average sunshine in September
Castro del Río, Spain
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).
Average sunshine days in September
Castro del Río, Spain
- Average sunshine days in September: 23.5 days
The month with the most sunshine days is July (28.9 days).
The month with the least sunshine days is April (16.3 days).
Average UV index in September
Castro del Río, Spain
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Castro del Río, Spain
- Average cloud cover in September: 14
The month with the most cloud cover is January (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in September
Castro del Río, Spain
- Average visibility in September: 10km
The months with the highest visibility are February, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, March and April (9km).
Castro del Río, Spain
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