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 snowfall in September
- Average snowfall days in September
- Average sea temperature 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
In September, Calella experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 26.2°C (79.2°F) in August to a still warm 23.4°C (74.1°F). Nighttime temperature in Calella reflects an average dip to a refreshing 19.1°C (66.4°F) in September, subtly cooler than its daytime highs.Humidity
In Calella, Spain, the average relative humidity in September is 73%.Rainfall
In Calella, Spain, in September, during 13.5 rainfall days, 47mm (1.85") of precipitation is typically accumulated. Throughout the year, in Calella, there are 120.9 rainfall days, and 472mm (18.58") of precipitation is accumulated.Snowfall
Months with snowfall in Calella are January, February and September. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow. In Calella, during the entire year, snow falls for 0.5 days and aggregates up to 4mm (0.16") of snow.Sea temperature
In September, the average sea temperature is 23°C (73.4°F).Note: Considering one's resistance to cold, elements like sunshine, wind, and the prevailing temperature matter when taking a swim in 23°C (73.4°F) waters. (For comparison, the Olympic swimming standard is set between 25°C (77°F) and 28°C (82.4°F).)
Daylight
In September, the average length of the day is 12h and 28min.On the first day of September in Calella, Spain, sunrise is at 07:15 and sunset at 20:22. On the last day of the month, sunrise is at 07:45 and sunset at 19:32 CEST.
Sunshine
In September, the average sunshine in Calella is 9h.UV index
The months with the highest UV index in Calella are June through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 6 during September, leads to the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the temperatures in Calella in September?
What is the average humidity in September in Calella?
How many days does it rain in September in Calella?
When does it start snowing in Calella?
How warm is the water in September in Calella?
How many hours of daylight does Calella have in September?
When are sunrise and sunset in September in Calella?
How many hours of sunshine does Calella have in September?
What are the months with the highest UV index in Calella?
What is the UV index reading in September in Calella?
Average temperature in September
Calella, Spain
- Average high temperature in September: 23.4°C
The warmest month (with the highest average high temperature) is August (26.2°C).
The month with the lowest average high temperature is January (12.1°C).
- Average low temperature in September: 19.1°C
The month with the highest average low temperature is August (21.8°C).
The coldest month (with the lowest average low temperature) is February (7.7°C).
Average pressure in September
Calella, Spain
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The months with the lowest atmospheric pressure are April and November (1014.7mbar).
Average wind speed in September
Calella, Spain
- Average wind speed in September: 10.8km/h
The windiest month (with the highest average wind speed) is February (13.4km/h).
The calmest months (with the lowest average wind speed) are July and August (10.3km/h).
Average humidity in September
Calella, Spain
- Average humidity in September: 73%
The month with the highest relative humidity is April (75%).
The month with the lowest relative humidity is February (68%).
Average rainfall in September
Calella, Spain
- Average rainfall in September: 47mm
The wettest month (with the highest rainfall) is October (65mm).
The driest month (with the least rainfall) is February (17mm).
Average rainfall days in September
Calella, Spain
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is September (13.5 days).
The month with the least rainy days is December (6 days).
Average snowfall in September
Calella, Spain
- Average snowfall in September: 1mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are March, April, May, June, July, August, October, November and December (0mm).
Average snowfall days in September
Calella, Spain
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, October, November and December (0 days).
Average sea temperature in September
Calella, Spain
- Average sea temperature in September: 23°C
The best month for swimming (with the highest average sea temperature) is August (25°C).
The coldest months (with the lowest average sea temperature) are January, February and March (13°C).
Average daylight in September /
Average sunshine in September
Calella, Spain
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 9h and 0min
The months with the most sunshine are June and July (Average sunshine: 11h and 30min).
The months with the least sunshine are January and November (Average sunshine: 6h and 42min).
Average sunshine days in September
Calella, Spain
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is December (23.4 days).
The month with the least sunshine days is September (13.6 days).
Average UV index in September
Calella, Spain
- Average UV index in September: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January and November (UV index 3).
Average cloud cover in September
Calella, Spain
- Average cloud cover in September: 24
The month with the most cloud cover is April (Cloud cover 31).
The months with the least cloud cover are July and August (Cloud cover 17).
Average visibility in September
Calella, Spain
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Calella, Spain
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