September weather forecastArenys de Mar, Spain
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Arenys de Mar, Spain, with temperature in the range of an average low of 19.2°C (66.6°F) and an average high of 23.5°C (74.3°F).Temperature
Arenys de Mar's average high-temperature in September sits at a still moderately hot 23.5°C (74.3°F), showing little difference from the previous month. In Arenys de Mar, the month of September brings a consistent average low-temperature of 19.2°C (66.6°F), slightly cooler than its daytime highs.Humidity
In Arenys de Mar, the average relative humidity in September is 73%.Rainfall
In Arenys de Mar, in September, during 13.6 rainfall days, 50mm (1.97") of precipitation is typically accumulated. In Arenys de Mar, Spain, during the entire year, the rain falls for 121.1 days and collects up to 463mm (18.23") of precipitation.Snowfall
In Arenys de Mar, snow does not fall in April through December.Sea temperature
In Arenys de Mar, the average seawater temperature in September is 23.1°C (73.6°F).Note: Individual preferences to cold, influenced by conditions such as sunshine, wind, and surrounding temperature, play a part in the comfort of swimming in 23.1°C (73.6°F) waters. (As an aside, Olympic swimming standards dictate water temperatures from 25°C (77°F) to 28°C (82.4°F).)
Daylight
The average length of the day in September in Arenys de Mar is 12h and 28min.On the first day of September in Arenys de Mar, sunrise is at 07:16 and sunset at 20:22. On the last day of the month, sunrise is at 07:46 and sunset at 19:33 CEST.
Sunshine
In Arenys de Mar, the average sunshine in September is 8.7h.UV index
June through September, with an average maximum UV index of 6, are months with the highest UV index in Arenys de Mar. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the UV index of 6 transforms into the following advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Notice! The Sun's UV exposure elevates with sand and water reflections.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Arenys de Mar, Spain
- Average high temperature in September: 23.5°C
The warmest month (with the highest average high temperature) is August (26.4°C).
The month with the lowest average high temperature is January (12.3°C).
- Average low temperature in September: 19.2°C
The month with the highest average low temperature is August (22°C).
The coldest month (with the lowest average low temperature) is February (7.6°C).
Average pressure in September
Arenys de Mar, 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
Arenys de Mar, Spain
- Average wind speed in September: 10.6km/h
The windiest month (with the highest average wind speed) is March (12.7km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in September
Arenys de Mar, 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
Arenys de Mar, Spain
- Average rainfall in September: 50mm
The wettest month (with the highest rainfall) is October (70mm).
The driest month (with the least rainfall) is February (15mm).
Average rainfall days in September
Arenys de Mar, Spain
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is September (13.6 days).
The month with the least rainy days is December (6.3 days).
Average snowfall in September
Arenys de Mar, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is March (5mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Arenys de Mar, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in September
Arenys de Mar, Spain
- Average sea temperature in September: 23.1°C
The best month for swimming (with the highest average sea temperature) is August (24.2°C).
The coldest month (with the lowest average sea temperature) is February (13.2°C).
Average daylight in September /
Average sunshine in September
Arenys de Mar, Spain
- Average daylight in September: 12h and 30min
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: 8h and 42min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 6h and 36min).
Average sunshine days in September
Arenys de Mar, Spain
- Average sunshine days in September: 13 days
The month with the most sunshine days is December (23.1 days).
The month with the least sunshine days is September (13 days).
Average UV index in September
Arenys de Mar, 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
Arenys de Mar, Spain
- Average cloud cover in September: 27
The month with the most cloud cover is April (Cloud cover 33).
The month with the least cloud cover is July (Cloud cover 18).
Average visibility in September
Arenys de Mar, 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).
