Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The arrival of September sees a recorded average high-temperature of a still moderately hot 26.5°C (79.7°F), showing little divergence from the previous month's conditions. An average low-temperature of 17°C (62.6°F) is noted during the nights in September in Santo António da Charneca.Humidity
In September, the average relative humidity is 67%.Rainfall
In Santo António da Charneca, during September, the rain falls for 3.8 days and regularly aggregates up to 9mm (0.35") of precipitation. Throughout the year, there are 78.4 rainfall days, and 173mm (6.81") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September in Santo António da Charneca, sunrise is at 07:05 and sunset at 20:06. On the last day of the month, sunrise is at 07:31 and sunset at 19:20 WEST.
Sunshine
In September, the average sunshine is 9.3h.UV index
June through September, with an average maximum UV index of 6, are months with the highest UV index in Santo António da Charneca, Portugal. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 6 suggests this advice:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What are the temperatures in Santo António da Charneca in September?
What is the average humidity in September in Santo António da Charneca?
How many days does it rain in September in Santo António da Charneca?
What is the average length of the day in September in Santo António da Charneca?
What time are sunrise and sunset in September in Santo António da Charneca?
How long on average sun shines in September in Santo António da Charneca?
What are the months with the highest UV index in Santo António da Charneca?
How high is the UV index in September in Santo António da Charneca?
Average temperature in September
Santo António da Charneca, Portugal
- Average high temperature in September: 26.5°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 (14.8°C).
- Average low temperature in September: 17°C
The months with the highest average low temperature are July and August (17.3°C).
The coldest month (with the lowest average low temperature) is February (9°C).
Average pressure in September
Santo António da Charneca, Portugal
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in September
Santo António da Charneca, Portugal
- Average wind speed in September: 11.9km/h
The windiest month (with the highest average wind speed) is February (15km/h).
The calmest month (with the lowest average wind speed) is September (11.9km/h).
Average humidity in September
Santo António da Charneca, Portugal
- Average humidity in September: 67%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Santo António da Charneca, Portugal
- Average rainfall in September: 9mm
The wettest month (with the highest rainfall) is November (34mm).
The driest months (with the least rainfall) are July and August (2mm).
Average rainfall days in September
Santo António da Charneca, Portugal
- Average rainfall days in September: 3.8 days
The month with the highest number of rainy days is April (11 days).
The month with the least rainy days is August (1.6 days).
Average daylight in September /
Average sunshine in September
Santo António da Charneca, Portugal
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 2min
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 18min).
Average sunshine days in September
Santo António da Charneca, Portugal
- Average sunshine days in September: 25.2 days
The month with the most sunshine days is August (28 days).
The month with the least sunshine days is April (17.2 days).
Average UV index in September
Santo António da Charneca, Portugal
- Average UV index in September: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Santo António da Charneca, Portugal
- Average cloud cover in September: 18
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Santo António da Charneca, 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).
Santo António da Charneca, Portugal
Weather forecast for your location
2. Allow the app to use your location
