September weather forecastAchada, Portugal
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Achada, Portugal, with an average temperature ranging between max 22.6°C (72.7°F) and min 21.3°C (70.3°F).Temperature
On the advent of September, Achada's average high-temperature exhibits a minor adjustment to a pleasant 22.6°C (72.7°F) from August's 23.2°C (73.8°F). Throughout September, a modest shift from daytime highs is anticipated in Achada, Portugal, with an average low-temperature of 21.3°C (70.3°F).Humidity
The average relative humidity in September in Achada is 77%.Rainfall
In Achada, in September, during 16.3 rainfall days, 42mm (1.65") of precipitation is typically accumulated. In Achada, Portugal, during the entire year, the rain falls for 164.1 days and collects up to 531mm (20.91") of precipitation.Daylight
In Achada, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 07:11 and sunset at 20:10. On the last day of September, sunrise is at 07:36 and sunset at 19:25 +00.
Sunshine
In Achada, the average sunshine in September is 8h.UV index
In September, the average daily maximum UV index in Achada is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 5 during September leads to these advisories:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Achada, Portugal
- Average high temperature in September: 22.6°C
The warmest month (with the highest average high temperature) is August (23.2°C).
The month with the lowest average high temperature is March (16°C).
- Average low temperature in September: 21.3°C
The month with the highest average low temperature is August (22.1°C).
The coldest months (with the lowest average low temperature) are February and March (14.7°C).
Average pressure in September
Achada, Portugal
- Average pressure in September: 1021mbar
The month with the highest atmospheric pressure is July (1024.4mbar).
The month with the lowest atmospheric pressure is October (1016.9mbar).
Average wind speed in September
Achada, Portugal
- Average wind speed in September: 19.9km/h
The windiest month (with the highest average wind speed) is December (28.9km/h).
The calmest month (with the lowest average wind speed) is July (16.3km/h).
Average humidity in September
Achada, Portugal
- Average humidity in September: 77%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is November (76%).
Average rainfall in September
Achada, Portugal
- Average rainfall in September: 42mm
The wettest month (with the highest rainfall) is December (89mm).
The driest month (with the least rainfall) is July (15mm).
Average rainfall days in September
Achada, Portugal
- Average rainfall days in September: 16.3 days
The month with the highest number of rainy days is October (19.1 days).
The month with the least rainy days is July (9.1 days).
Average daylight in September /
Average sunshine in September
Achada, Portugal
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The months with the least sunshine are November and December (Average sunshine: 5h and 0min).
Average sunshine days in September
Achada, Portugal
- Average sunshine days in September: 9.1 days
The month with the most sunshine days is July (16.3 days).
The month with the least sunshine days is October (7.6 days).
Average UV index in September
Achada, Portugal
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February and March (UV index 4).
Average cloud cover in September
Achada, Portugal
- Average cloud cover in September: 41
The month with the most cloud cover is November (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Achada, 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).





