Weather in September
Temperature
September's beginning signals an average high-temperature of a still moderately hot 27°C (80.6°F), barely different from August's 29°C (84.2°F). An average low-temperature of 19°C (66.2°F) is observed during the September nights.Rainfall
In Sant Antoni de Portmany, Spain, in September, it is raining for 6 days, with typically 46mm (1.81") of accumulated precipitation. In Sant Antoni de Portmany, during the entire year, the rain falls for 111 days and collects up to 456mm (17.95") of precipitation.Sea temperature
In Sant Antoni de Portmany, the average seawater temperature in September is 25.3°C (77.5°F).Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) are ideal for swimming, diving, and similar water activities, ensuring pleasure and comfort for extended periods without feeling uneasy.
Daylight
The average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 07:24 and sunset at 20:25. On the last day of the month, sunrise is at 07:50 and sunset at 19:38 CEST.
Sunshine
In Sant Antoni de Portmany, Spain, the average sunshine in September is 8h.UV index
The average daily maximum UV index in September in Sant Antoni de Portmany, Spain, is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 6 during September leads to these instructions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Caution! The Sun's UV rays become stronger due to reflections from water and sand.
Frequently asked questions
What is the temperature in September in Sant Antoni de Portmany?
How many days does it rain in September in Sant Antoni de Portmany?
What is the sea water temperature in September in Sant Antoni de Portmany?
How many hours of daylight does Sant Antoni de Portmany have in September?
When is the sunrise / sunset in September in Sant Antoni de Portmany?
How long on average sun shines in September in Sant Antoni de Portmany?
How high is the UV index in September in Sant Antoni de Portmany?
Average temperature in September
Sant Antoni de Portmany, Spain
- Average high temperature in September: 27°C
The warmest months (with the highest average high temperature) are July and August (29°C).
The months with the lowest average high temperature are January and February (15°C).
- Average low temperature in September: 19°C
The month with the highest average low temperature is August (21°C).
The coldest months (with the lowest average low temperature) are January, February, March and December (8°C).
Average rainfall in September
Sant Antoni de Portmany, Spain
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is October (73mm).
The driest month (with the least rainfall) is July (7mm).
Average rainfall days in September
Sant Antoni de Portmany, Spain
- Average rainfall days in September: 6 days
The month with the highest number of rainy days is January (14 days).
The month with the least rainy days is July (3 days).
Average sea temperature in September
Sant Antoni de Portmany, Spain
- Average sea temperature in September: 25.3°C
The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is February (14.3°C).
Average daylight in September /
Average sunshine in September
Sant Antoni de Portmany, Spain
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 8h
The month with the most sunshine is July (Average sunshine: 11h).
The months with the least sunshine are January and December (Average sunshine: 5h).
Average UV index in September
Sant Antoni de Portmany, Spain
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 9).
The months with the lowest UV index are January and December (UV index 2).
Sant Antoni de Portmany, Spain
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