September weather forecastProença-a-Nova, Portugal
September
Weather in September
September, the first month of the autumn in Proença-a-Nova, is also a moderately hot month, with temperature in the range of an average low of 15.5°C (59.9°F) and an average high of 28.5°C (83.3°F).Temperature
September heralds a minor drop in average high-temperature, sliding from August's hot 32.8°C (91°F) to a warm 28.5°C (83.3°F). Proença-a-Nova records a significant temperature drop in September nights, lowering to an average of 15.5°C (59.9°F).Heat index
The heat index for September is evaluated at 29°C (84.2°F). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.When assessing, remember that heat index measurements are for light winds and shaded spots. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is found by incorporating humidity levels into the air temperature measurement. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
In Proença-a-Nova, Portugal, the average relative humidity in September is 49%.Rainfall
In Proença-a-Nova, during September, the rain falls for 5 days and regularly aggregates up to 16mm (0.63") of precipitation. Throughout the year, there are 97 rainfall days, and 369mm (14.53") of precipitation is accumulated.Snowfall
February through December are months without snowfall in Proença-a-Nova.Daylight
In Proença-a-Nova, the average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 07:00 and sunset at 20:02. On the last day of the month, sunrise is at 07:27 and sunset at 19:15 WEST.
Sunshine
The average sunshine in September in Proença-a-Nova, Portugal, is 9.5h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the UV index of 5 transforms into the following advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Proença-a-Nova, Portugal
- Average high temperature in September: 28.5°C
The warmest month (with the highest average high temperature) is August (32.8°C).
The month with the lowest average high temperature is January (11.6°C).
- Average low temperature in September: 15.5°C
The month with the highest average low temperature is July (17.2°C).
The coldest month (with the lowest average low temperature) is January (3.9°C).
Average pressure in September
Proença-a-Nova, Portugal
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is December (1023mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in September
Proença-a-Nova, Portugal
- Average wind speed in September: 8.3km/h
The windiest month (with the highest average wind speed) is February (11.3km/h).
The calmest month (with the lowest average wind speed) is September (8.3km/h).
Average humidity in September
Proença-a-Nova, Portugal
- Average humidity in September: 49%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (44%).
Average rainfall in September
Proença-a-Nova, Portugal
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is November (60mm).
The driest months (with the least rainfall) are July and August (3mm).
Average rainfall days in September
Proença-a-Nova, Portugal
- Average rainfall days in September: 5 days
The month with the highest number of rainy days is November (12.3 days).
The month with the least rainy days is August (1.5 days).
Average snowfall in September
Proença-a-Nova, 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
Proença-a-Nova, Portugal
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and March (0.1 days).
The months with the least snowfall days are February, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Proença-a-Nova, 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 24min).
- Average sunshine in September: 9h and 30min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Proença-a-Nova, Portugal
- Average sunshine days in September: 23.3 days
The month with the most sunshine days is August (28.3 days).
The month with the least sunshine days is April (16.6 days).
Average UV index in September
Proença-a-Nova, Portugal
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Proença-a-Nova, Portugal
- Average cloud cover in September: 16
The month with the most cloud cover is January (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in September
Proença-a-Nova, Portugal
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The month with the lowest visibility is January (8km).
