September weather forecastAlcobertas, Portugal
September
Weather in September
September, the first month of the autumn in Alcobertas, is still a warm month, with temperature in the range of an average high of 25.4°C (77.7°F) and an average low of 15.7°C (60.3°F).Temperature
The initiation of September sees an average high-temperature of a still moderately hot 25.4°C (77.7°F), showing minor variations from the previous month. Throughout September, Alcobertas witnesses a consistent average low-temperature of 15.7°C (60.3°F).Humidity
With an average relative humidity of 70%, September is the least humid month.Rainfall
In September, the rain falls for 5.7 days. Throughout September, 18mm (0.71") of precipitation is accumulated. Throughout the year, there are 103.6 rainfall days, and 373mm (14.69") of precipitation is accumulated.Daylight
In Alcobertas, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 07:04 and sunset at 20:06. On the last day of September, sunrise is at 07:31 and sunset at 19:19 WEST.
Sunshine
In September, the average sunshine in Alcobertas, Portugal, is 9.1h.UV index
In September, the average daily maximum UV index in Alcobertas is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 5 translates into these guidelines:
Prioritize safety - Suggestions to prevent sun damage are offered. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Alcobertas, Portugal
- Average high temperature in September: 25.4°C
The warmest month (with the highest average high temperature) is August (26.3°C).
The month with the lowest average high temperature is January (13.7°C).
- Average low temperature in September: 15.7°C
The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is February (7.9°C).
Average pressure in September
Alcobertas, Portugal
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Alcobertas, Portugal
- Average wind speed in September: 11.9km/h
The windiest month (with the highest average wind speed) is February (16km/h).
The calmest month (with the lowest average wind speed) is September (11.9km/h).
Average humidity in September
Alcobertas, Portugal
- Average humidity in September: 70%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is September (70%).
Average rainfall in September
Alcobertas, Portugal
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is November (66mm).
The driest months (with the least rainfall) are July and August (3mm).
Average rainfall days in September
Alcobertas, Portugal
- Average rainfall days in September: 5.7 days
The month with the highest number of rainy days is November (13.4 days).
The month with the least rainy days is August (2.4 days).
Average daylight in September /
Average sunshine in September
Alcobertas, Portugal
- Average daylight in September: 12h and 24min
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 24min).
- Average sunshine in September: 9h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Alcobertas, Portugal
- Average sunshine days in September: 24.1 days
The month with the most sunshine days is August (27.9 days).
The month with the least sunshine days is November (15.7 days).
Average UV index in September
Alcobertas, 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, November and December (UV index 3).
Average cloud cover in September
Alcobertas, Portugal
- Average cloud cover in September: 24
The month with the most cloud cover is January (Cloud cover 46).
The months with the least cloud cover are August and September (Cloud cover 24).
Average visibility in September
Alcobertas, Portugal
- Average visibility in September: 9km
The months with the highest visibility are February, June and December (10km).
The months with the lowest visibility are January, March, April, May, July, August, September, October and November (9km).
