September weather forecastAlbufeira, Portugal
September weather for Albufeira, Portugal: The average nighttime temperature in Albufeira, Portugal, lowers to a comfortable 19.3°C (66.7°F) throughout September. In Albufeira, the average seawater temperature in September is 21.4°C (70.5°F).
September
Weather in September
September in Albufeira ushers in subtle signs of autumn's arrival. The temperature begins to drop marginally while daylight hours decrease. A slight increase in rainfall can be noted, from a dry August to a marginally wetter September, hinting at the impending autumn. Extra hours of sunshine should not be overlooked, facilitating outdoor activities and exploration. All in all, September's weather is an amalgamation of summer warmth and autumn crispness.Temperature
September's presence records an average high-temperature of a still moderately hot 25°C (77°F), closely mirroring August's climate. The average nighttime temperature in Albufeira, Portugal, lowers to a comfortable 19.3°C (66.7°F) throughout September.Humidity
In September, the average relative humidity is 68%.Rainfall
In Albufeira, during September, the rain falls for 3.5 days and regularly aggregates up to 3mm (0.12") of precipitation. Throughout the year, there are 70.8 rainfall days, and 113mm (4.45") of precipitation is accumulated.Sea temperature
In September, the average sea temperature in Albufeira is 21.4°C (70.5°F).Note: Swimming in water at 21.4°C (70.5°F) is not a pleasurable experience for most. The task of managing breathing becomes more challenging as the water temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Albufeira, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 07:04 and sunset at 20:01. On the last day of September, sunrise is at 07:27 and sunset at 19:17 WEST.
Sunshine
The average sunshine in September is 9.6h.UV index
June through September, with an average maximum UV index of 6, are months with the highest UV index in Albufeira. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Caution! The reflection of sand and water significantly amplifies the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Albufeira, Portugal
- Average high temperature in September: 25°C
The warmest month (with the highest average high temperature) is August (27.5°C).
The month with the lowest average high temperature is January (15°C).
- Average low temperature in September: 19.3°C
The month with the highest average low temperature is August (19.8°C).
The coldest month (with the lowest average low temperature) is February (10.6°C).
Average pressure in September
Albufeira, Portugal
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Albufeira, Portugal
- Average wind speed in September: 12.6km/h
The windiest months (with the highest average wind speed) are February and March (18.2km/h).
The calmest month (with the lowest average wind speed) is September (12.6km/h).
Average humidity in September
Albufeira, Portugal
- Average humidity in September: 68%
The months with the highest relative humidity are January, March, April and December (75%).
The months with the lowest relative humidity are July and August (64%).
Average rainfall in September
Albufeira, Portugal
- Average rainfall in September: 3mm
The wettest month (with the highest rainfall) is November (22mm).
The driest month (with the least rainfall) is July (0mm).
Average rainfall days in September
Albufeira, Portugal
- Average rainfall days in September: 3.5 days
The months with the highest number of rainy days are March and November (10 days).
The month with the least rainy days is August (0.6 days).
Average sea temperature in September
Albufeira, Portugal
- Average sea temperature in September: 21.4°C
The best month for swimming (with the highest average sea temperature) is August (21.7°C).
The coldest month (with the lowest average sea temperature) is March (16°C).
Average daylight in September /
Average sunshine in September
Albufeira, Portugal
- Average daylight in September: 12h and 24min
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 42min).
- Average sunshine in September: 9h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in September
Albufeira, Portugal
- Average sunshine days in September: 25 days
The month with the most sunshine days is July (29.7 days).
The month with the least sunshine days is April (17.8 days).
Average UV index in September
Albufeira, Portugal
- 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, February, March, November and December (UV index 4).
Average cloud cover in September
Albufeira, Portugal
- Average cloud cover in September: 14
The month with the most cloud cover is January (Cloud cover 31).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in September
Albufeira, Portugal
- 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).





