September weather forecastSant Joan d'Alacant, Spain
September
Weather in September
September, the first month of the autumn in Sant Joan d'Alacant, is also a moderately hot month, with an average temperature ranging between min 17°C (62.6°F) and max 28°C (82.4°F).Temperature
Sant Joan d'Alacant experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a tropical 31°C (87.8°F) in August to a moderately hot 28°C (82.4°F). In the month of September, Sant Joan d'Alacant witnesses a consistent average low-temperature of 17°C (62.6°F).Rainfall
In September, the rain falls for 6 days. Throughout September, 37mm (1.46") of precipitation is accumulated. In Sant Joan d'Alacant, during the entire year, the rain falls for 105 days and collects up to 371mm (14.61") of precipitation.Sea temperature
In September, the average sea temperature in Sant Joan d'Alacant is 24°C (75.2°F).Note: A swim in 24°C (75.2°F) waters can be refreshing, especially when factoring in a person's cold tolerance, sunshine, wind, and the overall temperature. As a point of reference, Olympic swimming events are held in 25°C (77°F) to 28°C (82.4°F) waters.
Daylight
In Sant Joan d'Alacant, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 07:31 and sunset at 20:31. On the last day of the month, sunrise is at 07:57 and sunset at 19:46 CEST.
Sunshine
In September, the average sunshine is 8h.UV index
The average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 7 in September, converts into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be vigilant! The Sun's UV rays get a boost from sand and water reflections.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sant Joan d'Alacant, Spain
- Average high temperature in September: 28°C
The warmest month (with the highest average high temperature) is August (31°C).
The month with the lowest average high temperature is January (16°C).
- Average low temperature in September: 17°C
The month with the highest average low temperature is August (20°C).
The coldest month (with the lowest average low temperature) is January (6°C).
Average rainfall in September
Sant Joan d'Alacant, Spain
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is October (67mm).
The driest month (with the least rainfall) is July (7mm).
Average rainfall days in September
Sant Joan d'Alacant, Spain
- Average rainfall days in September: 6 days
The month with the highest number of rainy days is January (13 days).
The month with the least rainy days is July (3 days).
Average sea temperature in September
Sant Joan d'Alacant, Spain
- Average sea temperature in September: 24°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 (14°C).
Average daylight in September /
Average sunshine in September
Sant Joan d'Alacant, Spain
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
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 month with the least sunshine is December (Average sunshine: 5h).
Average UV index in September
Sant Joan d'Alacant, Spain
- Average UV index in September: 7
The months with the highest UV index are June, July and August (UV index 9).
The months with the lowest UV index are January and December (UV index 2).
