September weather forecastAmarante, Portugal
September
Weather in September
September, the first month of the autumn in Amarante, is also a moderately hot month, with an average temperature varying between 25.3°C (77.5°F) and 12.2°C (54°F).Temperature
The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from 28.5°C (83.3°F) in August to a still moderately hot 25.3°C (77.5°F). Despite considerable daily temperature swings, a steady low-temperature average of 12.2°C (54°F) is noted in Amarante throughout September.Humidity
In Amarante, Portugal, the average relative humidity in September is 64%.Rainfall
In September, the rain falls for 8 days. Throughout September, 30mm (1.18") of precipitation is accumulated. In Amarante, during the entire year, the rain falls for 142.9 days and collects up to 793mm (31.22") of precipitation.Snowfall
In Amarante, snow does not fall in February through December.Daylight
In September, the average length of the day in Amarante is 12h and 28min.On the first day of the month, sunrise is at 06:59 and sunset at 20:05. On the last day of September, in Amarante, sunrise is at 07:28 and sunset at 19:15 WEST.
Sunshine
In September, the average sunshine is 8.9h.UV index
The average daily maximum UV index in September in Amarante is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Amarante, Portugal
- Average high temperature in September: 25.3°C
The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (10.5°C).
- Average low temperature in September: 12.2°C
The months with the highest average low temperature are July and August (12.8°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).
Average pressure in September
Amarante, Portugal
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Amarante, Portugal
- Average wind speed in September: 6.2km/h
The windiest month (with the highest average wind speed) is March (8.1km/h).
The calmest month (with the lowest average wind speed) is September (6.2km/h).
Average humidity in September
Amarante, Portugal
- Average humidity in September: 64%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (62%).
Average rainfall in September
Amarante, Portugal
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is December (124mm).
The driest month (with the least rainfall) is July (10mm).
Average rainfall days in September
Amarante, Portugal
- Average rainfall days in September: 8 days
The months with the highest number of rainy days are April and November (16.2 days).
The month with the least rainy days is August (5.3 days).
Average snowfall in September
Amarante, Portugal
- Average snowfall in September: 0mm
The month with the highest snowfall is January (1mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Amarante, Portugal
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Amarante, 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: 8h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Amarante, Portugal
- Average sunshine days in September: 20.5 days
The month with the most sunshine days is August (24.1 days).
The month with the least sunshine days is April (11.8 days).
Average UV index in September
Amarante, 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, November and December (UV index 2).
Average cloud cover in September
Amarante, Portugal
- Average cloud cover in September: 27
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
Amarante, Portugal
- Average visibility in September: 9km
The months with the highest visibility are August and September (9km).
The month with the lowest visibility is January (6km).
