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 snowfall in September
- Average snowfall 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
September
Weather in September
Temperature
The start of September comes with a small reduction in the average high-temperature, subtly receding from 28.5°C (83.3°F) in August to a still warm 25.3°C (77.5°F). From significant daily highs, Celorico de Basto's nights in September cool down to an average low-temperature of 12.2°C (54°F).Humidity
The average relative humidity in September is 64%.Rainfall
In Celorico de Basto, in September, during 8 rainfall days, 30mm (1.18") of precipitation is typically accumulated. Throughout the year, in Celorico de Basto, there are 142.9 rainfall days, and 793mm (31.22") of precipitation is accumulated.Snowfall
February through December are months without snowfall in Celorico de Basto.Daylight
In September, the average length of the day in Celorico de Basto is 12h and 28min.On the first day of September, sunrise is at 06:58 and sunset at 20:04. On the last day of the month, sunrise is at 07:28 and sunset at 19:15 WEST.
Sunshine
In September, the average sunshine in Celorico de Basto is 8.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 5 in September translates into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Direct Sun exposure should be minimized especially during midday when radiation is most intense. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Celorico de Basto?
What is the average humidity in September in Celorico de Basto?
How much does it rain in Celorico de Basto in September?
When it does not snow in Celorico de Basto?
What is the average length of the day in September in Celorico de Basto?
What time are sunrise and sunset in September in Celorico de Basto?
How many hours of sunshine does Celorico de Basto have in September?
What is the UV index intensity in September in Celorico de Basto?
Average temperature in September
Celorico de Basto, 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
Celorico de Basto, 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
Celorico de Basto, 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
Celorico de Basto, 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
Celorico de Basto, 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
Celorico de Basto, 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
Celorico de Basto, 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
Celorico de Basto, 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
Celorico de Basto, Portugal
- Average daylight in September: 12h and 3min
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 12min).
- Average sunshine in September: 8h and 5min
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
Celorico de Basto, 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
Celorico de Basto, 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
Celorico de Basto, 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
Celorico de Basto, 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).
