September weather forecastVila Chã, Portugal
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Vila Chã, Portugal, with temperature in the range of an average low of 14.1°C (57.4°F) and an average high of 25.5°C (77.9°F).Temperature
The advent of September signifies a minor shift to an average high-temperature of a still warm 25.5°C (77.9°F), aligning closely with August. An average temperature of 14.1°C (57.4°F) marks the nights in September.Humidity
The months with the lowest humidity are August and September, with an average relative humidity of 66%.Rainfall
In Vila Chã, in September, it is raining for 6.4 days, with typically 27mm (1.06") of accumulated precipitation. In Vila Chã, Portugal, during the entire year, the rain falls for 135.4 days and collects up to 778mm (30.63") of precipitation.Daylight
The average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 07:01 and sunset at 20:07. On the last day of the month, sunrise is at 07:31 and sunset at 19:18 WEST.
Sunshine
In Vila Chã, the average sunshine in September is 9.2h.UV index
In Vila Chã, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Vila Chã, Portugal
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is August (27.1°C).
The month with the lowest average high temperature is January (12.6°C).
- Average low temperature in September: 14.1°C
The months with the highest average low temperature are July and August (14.8°C).
The coldest month (with the lowest average low temperature) is January (6°C).
Average pressure in September
Vila Chã, 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
Vila Chã, Portugal
- Average wind speed in September: 7.3km/h
The windiest month (with the highest average wind speed) is February (9.7km/h).
The calmest month (with the lowest average wind speed) is September (7.3km/h).
Average humidity in September
Vila Chã, Portugal
- Average humidity in September: 66%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are August and September (66%).
Average rainfall in September
Vila Chã, Portugal
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is November (119mm).
The driest month (with the least rainfall) is July (8mm).
Average rainfall days in September
Vila Chã, Portugal
- Average rainfall days in September: 6.4 days
The month with the highest number of rainy days is November (15.7 days).
The month with the least rainy days is August (4.3 days).
Average daylight in September /
Average sunshine in September
Vila Chã, 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 6min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in September
Vila Chã, Portugal
- Average sunshine days in September: 22.1 days
The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is November (11.6 days).
Average UV index in September
Vila Chã, Portugal
- Average UV index in September: 5
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in September
Vila Chã, Portugal
- Average cloud cover in September: 24
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in September
Vila Chã, Portugal
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
