September weather forecastAlcabideche, Portugal
September
Weather in September
September, the first month of the autumn in Alcabideche, is also an agreeable month, with an average temperature varying between 22.5°C (72.5°F) and 18.5°C (65.3°F).Temperature
Alcabideche's average high-temperature in September sits at an agreeable 22.5°C (72.5°F), showing little difference from the previous month. Alcabideche observes a consistent average low-temperature of 18.5°C (65.3°F) throughout September nights.Humidity
In September, the average relative humidity in Alcabideche is 75%.Rainfall
In September, the rain falls for 4.8 days. Throughout September, 15mm (0.59") of precipitation is accumulated. Throughout the year, in Alcabideche, there are 106.9 rainfall days, and 365mm (14.37") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September, sunrise is at 07:07 and sunset at 20:07. On the last day of the month, sunrise is at 07:33 and sunset at 19:21 WEST.
Sunshine
In Alcabideche, the average sunshine in September is 9.5h.UV index
The average daily maximum UV index in September in Alcabideche is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 5 suggests these recommendations:
Undertake protective steps - Preventing sun damage is advised. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Alcabideche, Portugal
- Average high temperature in September: 22.5°C
The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (14.5°C).
- Average low temperature in September: 18.5°C
The month with the highest average low temperature is August (18.8°C).
The coldest month (with the lowest average low temperature) is February (11.7°C).
Average pressure in September
Alcabideche, Portugal
- Average pressure in September: 1017.1mbar
The months with the highest atmospheric pressure are January and December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in September
Alcabideche, Portugal
- Average wind speed in September: 17.1km/h
The windiest month (with the highest average wind speed) is February (21.1km/h).
The calmest month (with the lowest average wind speed) is October (16.9km/h).
Average humidity in September
Alcabideche, Portugal
- Average humidity in September: 75%
The month with the highest relative humidity is July (77%).
The months with the lowest relative humidity are February, May, October and November (74%).
Average rainfall in September
Alcabideche, Portugal
- Average rainfall in September: 15mm
The wettest month (with the highest rainfall) is November (68mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in September
Alcabideche, Portugal
- Average rainfall days in September: 4.8 days
The month with the highest number of rainy days is November (14.5 days).
The month with the least rainy days is August (1.7 days).
Average daylight in September /
Average sunshine in September
Alcabideche, Portugal
- 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: 9h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Alcabideche, Portugal
- Average sunshine days in September: 23.6 days
The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is November (13.4 days).
Average UV index in September
Alcabideche, Portugal
- Average UV index in September: 5
The month with the highest UV index is August (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
Alcabideche, Portugal
- Average cloud cover in September: 17
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in September
Alcabideche, 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).





