September weather forecastCadaval, Portugal
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Cadaval, Portugal, with temperature in the range of an average low of 16.5°C (61.7°F) and an average high of 24.6°C (76.3°F).Temperature
September's onset sees an average high-temperature of a still moderately hot 24.6°C (76.3°F), exhibiting a slight fluctuation from the previous month. During September, the average low-temperature in Cadaval is a refreshing 16.5°C (61.7°F).Humidity
The months with the lowest humidity are September and October, with an average relative humidity of 72%.Rainfall
In Cadaval, in September, it is raining for 4.5 days, with typically 6mm (0.24") of accumulated precipitation. Throughout the year, in Cadaval, there are 101.5 rainfall days, and 168mm (6.61") of precipitation is accumulated.Daylight
The average length of the day in September in Cadaval is 12h and 26min.On the first day of September in Cadaval, sunrise is at 07:05 and sunset at 20:07. On the last day of the month, sunrise is at 07:32 and sunset at 19:20 WEST.
Sunshine
In Cadaval, the average sunshine in September is 9.3h.UV index
In Cadaval, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 5 suggests these recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cadaval, Portugal
- Average high temperature in September: 24.6°C
The warmest month (with the highest average high temperature) is August (25.6°C).
The month with the lowest average high temperature is January (14°C).
- Average low temperature in September: 16.5°C
The month with the highest average low temperature is August (17°C).
The coldest month (with the lowest average low temperature) is February (8.8°C).
Average pressure in September
Cadaval, Portugal
- Average pressure in September: 1016.9mbar
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
Cadaval, Portugal
- Average wind speed in September: 13.5km/h
The windiest month (with the highest average wind speed) is February (17.7km/h).
The calmest month (with the lowest average wind speed) is September (13.5km/h).
Average humidity in September
Cadaval, Portugal
- Average humidity in September: 72%
The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are September and October (72%).
Average rainfall in September
Cadaval, Portugal
- Average rainfall in September: 6mm
The wettest month (with the highest rainfall) is November (34mm).
The driest months (with the least rainfall) are July and August (3mm).
Average rainfall days in September
Cadaval, Portugal
- Average rainfall days in September: 4.5 days
The month with the highest number of rainy days is November (13.7 days).
The month with the least rainy days is August (3 days).
Average daylight in September /
Average sunshine in September
Cadaval, 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 30min).
- Average sunshine in September: 9h and 18min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Cadaval, Portugal
- Average sunshine days in September: 23.5 days
The month with the most sunshine days is August (25 days).
The month with the least sunshine days is November (13.3 days).
Average UV index in September
Cadaval, Portugal
- Average UV index in September: 5
The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in September
Cadaval, 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 September (Cloud cover 20).
Average visibility in September
Cadaval, Portugal
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (10km).
The months with the lowest visibility are July and August (9km).
