September weather forecastEixo, Portugal
September
Weather in September
The first month of the autumn, September, is still a warm month in Eixo, Portugal, with temperature in the range of an average high of 24.5°C (76.1°F) and an average low of 15.3°C (59.5°F).Temperature
Eixo experiences an average high-temperature of a still moderately hot 24.5°C (76.1°F) in September, subtly different from August's 25.4°C (77.7°F). During the month of September, Eixo experiences a steady low-temperature average of 15.3°C (59.5°F).Humidity
With an average relative humidity of 70%, September is the least humid month in Eixo.Rainfall
In Eixo, Portugal, during September, the rain falls for 5.8 days and regularly aggregates up to 23mm (0.91") of precipitation. In Eixo, during the entire year, the rain falls for 125.4 days and collects up to 619mm (24.37") of precipitation.Daylight
The average length of the day in September 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, sunrise is at 07:30 and sunset at 19:17 WEST.
Sunshine
In September, the average sunshine in Eixo is 9.3h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 5 suggests these recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Eixo, Portugal
- Average high temperature in September: 24.5°C
The warmest month (with the highest average high temperature) is August (25.4°C).
The month with the lowest average high temperature is January (13.3°C).
- Average low temperature in September: 15.3°C
The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is February (7.6°C).
Average pressure in September
Eixo, Portugal
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Eixo, Portugal
- Average wind speed in September: 9.8km/h
The windiest month (with the highest average wind speed) is February (12.9km/h).
The calmest month (with the lowest average wind speed) is September (9.8km/h).
Average humidity in September
Eixo, Portugal
- Average humidity in September: 70%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is September (70%).
Average rainfall in September
Eixo, Portugal
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is November (94mm).
The driest month (with the least rainfall) is July (6mm).
Average rainfall days in September
Eixo, Portugal
- Average rainfall days in September: 5.8 days
The month with the highest number of rainy days is November (14.9 days).
The month with the least rainy days is August (3.3 days).
Average daylight in September /
Average sunshine in September
Eixo, Portugal
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 18min
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 12min).
Average sunshine days in September
Eixo, Portugal
- Average sunshine days in September: 22.7 days
The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is November (12.9 days).
Average UV index in September
Eixo, Portugal
- Average UV index in September: 5
The months with the highest UV index are May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Eixo, Portugal
- Average cloud cover in September: 19
The month with the most cloud cover is January (Cloud cover 43).
The months with the least cloud cover are July, August and September (Cloud cover 19).
Average visibility in September
Eixo, 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).
