September weather forecastCavaco, Portugal
September
Weather in September
The first month of the autumn, September, is still a warm month in Cavaco, Portugal, with an average temperature ranging between max 24°C (75.2°F) and min 15.4°C (59.7°F).Temperature
The commencement of September notes an average high-temperature of a still warm 24°C (75.2°F), exhibiting little difference from the previous month. Throughout September, a steady low-temperature average of 15.4°C (59.7°F) is noted.Humidity
The months with the lowest humidity in Cavaco are August and September, with an average relative humidity of 69%.Rainfall
In Cavaco, in September, during 6.7 rainfall days, 29mm (1.14") of precipitation is typically accumulated. In Cavaco, Portugal, during the entire year, the rain falls for 136.5 days and collects up to 810mm (31.89") of precipitation.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 07:01 and sunset at 20:06. On the last day of September, in Cavaco, sunrise is at 07:30 and sunset at 19:17 WEST.
Sunshine
In Cavaco, the average sunshine in September is 9.2h.UV index
The average daily maximum UV index in September in Cavaco is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 5 during September translates into these guidelines:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cavaco, Portugal
- Average high temperature in September: 24°C
The warmest month (with the highest average high temperature) is August (25.1°C).
The month with the lowest average high temperature is January (12.8°C).
- Average low temperature in September: 15.4°C
The months with the highest average low temperature are July and August (15.8°C).
The coldest month (with the lowest average low temperature) is February (7.6°C).
Average pressure in September
Cavaco, Portugal
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Cavaco, Portugal
- Average wind speed in September: 9.5km/h
The windiest month (with the highest average wind speed) is February (12.8km/h).
The calmest month (with the lowest average wind speed) is September (9.5km/h).
Average humidity in September
Cavaco, Portugal
- Average humidity in September: 69%
The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are August and September (69%).
Average rainfall in September
Cavaco, Portugal
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is November (126mm).
The driest month (with the least rainfall) is July (9mm).
Average rainfall days in September
Cavaco, Portugal
- Average rainfall days in September: 6.7 days
The month with the highest number of rainy days is November (16.1 days).
The month with the least rainy days is August (4.7 days).
Average daylight in September /
Average sunshine in September
Cavaco, Portugal
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 12min
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 0min).
Average sunshine days in September
Cavaco, Portugal
- Average sunshine days in September: 22.2 days
The month with the most sunshine days is August (24.8 days).
The month with the least sunshine days is November (11.9 days).
Average UV index in September
Cavaco, 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
Cavaco, Portugal
- Average cloud cover in September: 20
The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 18).
Average visibility in September
Cavaco, Portugal
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).





