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
Weather in September
Temperature
The average high-temperature for September is a still warm 26.5°C (79.7°F), closely aligning with the temperature of the preceding month. Santa Comba Dão registers a significant reduction from the day's heat, with an average temperature drop to a refreshing 13.5°C (56.3°F) in September.Humidity
In September, the average relative humidity in Santa Comba Dão is 63%.Rainfall
In Santa Comba Dão, in September, during 6.2 rainfall days, 21mm (0.83") of precipitation is typically accumulated. In Santa Comba Dão, during the entire year, the rain falls for 127.4 days and collects up to 613mm (24.13") of precipitation.Snowfall
In Santa Comba Dão, Portugal, snow does not fall in May through October and December.Daylight
In Santa Comba Dão, Portugal, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 07:00 and sunset at 20:04. On the last day of September, sunrise is at 07:28 and sunset at 19:16 WEST.
Sunshine
The average sunshine in September in Santa Comba Dão is 9.3h.UV index
In Santa Comba Dão, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 5 in September leads to these recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
What are September temperatures in Santa Comba Dão?
What is the average humidity in September in Santa Comba Dão?
How many days does it rain in September in Santa Comba Dão?
When it does not snow in Santa Comba Dão?
What is the average length of the day in September in Santa Comba Dão?
When is the sunrise / sunset in September in Santa Comba Dão?
How long on average sun shines in September in Santa Comba Dão?
What is the UV index intensity in September in Santa Comba Dão?
Average temperature in September
Santa Comba Dão, Portugal
- Average high temperature in September: 26.5°C
The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (12°C).
- Average low temperature in September: 13.5°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (4.3°C).
Average pressure in September
Santa Comba Dão, Portugal
- Average pressure in September: 1017mbar
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
Santa Comba Dão, Portugal
- Average wind speed in September: 6.9km/h
The windiest month (with the highest average wind speed) is March (8.8km/h).
The calmest month (with the lowest average wind speed) is September (6.9km/h).
Average humidity in September
Santa Comba Dão, Portugal
- Average humidity in September: 63%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (62%).
Average rainfall in September
Santa Comba Dão, Portugal
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is November (96mm).
The driest month (with the least rainfall) is July (6mm).
Average rainfall days in September
Santa Comba Dão, Portugal
- Average rainfall days in September: 6.2 days
The months with the highest number of rainy days are January and April (14.7 days).
The month with the least rainy days is August (3.9 days).
Average snowfall in September
Santa Comba Dão, Portugal
- Average snowfall in September: 0mm
The months with the highest snowfall are January and March (2mm).
The months with the least snowfall are May, June, July, August, September, October and December (0mm).
Average snowfall days in September
Santa Comba Dão, Portugal
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January, February and March (0.3 days).
The months with the least snowfall days are May, June, July, August, September, October and December (0 days).
Average daylight in September /
Average sunshine in September
Santa Comba Dão, Portugal
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in September
Santa Comba Dão, Portugal
- Average sunshine days in September: 21.9 days
The month with the most sunshine days is August (25 days).
The month with the least sunshine days is November (13.5 days).
Average UV index in September
Santa Comba Dão, Portugal
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Santa Comba Dão, Portugal
- Average cloud cover in September: 22
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Santa Comba Dão, Portugal
- Average visibility in September: 9km
The months with the highest visibility are June, July, August and September (9km).
The month with the lowest visibility is January (7km).
Santa Comba Dão, Portugal
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