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 advent of September observes an average high-temperature of a still warm 23.6°C (74.5°F), nearly identical to August's 24.5°C (76.1°F). During September, Carcavelos observes a consistent average nighttime temperature of 18.2°C (64.8°F).Humidity
The average relative humidity in September in Carcavelos is 73%.Rainfall
In Carcavelos, during September, the rain falls for 4.9 days and regularly aggregates up to 10mm (0.39") of precipitation. In Carcavelos, Portugal, during the entire year, the rain falls for 85.8 days and collects up to 215mm (8.46") of precipitation.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 07:06 and sunset at 20:07. On the last day of September, sunrise is at 07:32 and sunset at 19:21 WEST.
Sunshine
In September, the average sunshine is 9.4h.UV index
The months with the highest UV index in Carcavelos are June through September, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Frequently asked questions
What is the average September temperature in Carcavelos?
What is the average humidity in September in Carcavelos?
How many days does it rain in September in Carcavelos?
What is the average length of the day in September in Carcavelos?
When is the sunrise / sunset in September in Carcavelos?
How many hours of sunshine does Carcavelos have in September?
What are the months with the highest UV index in Carcavelos?
How high is the UV index in September in Carcavelos?
Average temperature in September
Carcavelos, Portugal
- Average high temperature in September: 23.6°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (14.8°C).
- Average low temperature in September: 18.2°C
The month with the highest average low temperature is August (18.6°C).
The coldest month (with the lowest average low temperature) is February (10.8°C).
Average pressure in September
Carcavelos, Portugal
- Average pressure in September: 1017mbar
The months with the highest atmospheric pressure are January and December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in September
Carcavelos, Portugal
- Average wind speed in September: 15.8km/h
The windiest month (with the highest average wind speed) is February (19.5km/h).
The calmest month (with the lowest average wind speed) is October (15.6km/h).
Average humidity in September
Carcavelos, Portugal
- Average humidity in September: 73%
The months with the highest relative humidity are January, April, July and December (75%).
The months with the lowest relative humidity are May and October (72%).
Average rainfall in September
Carcavelos, Portugal
- Average rainfall in September: 10mm
The wettest month (with the highest rainfall) is November (44mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in September
Carcavelos, Portugal
- Average rainfall days in September: 4.9 days
The month with the highest number of rainy days is November (12.4 days).
The month with the least rainy days is August (1.9 days).
Average daylight in September /
Average sunshine in September
Carcavelos, 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 24min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in September
Carcavelos, Portugal
- Average sunshine days in September: 24.5 days
The month with the most sunshine days is August (28 days).
The month with the least sunshine days is November (15.6 days).
Average UV index in September
Carcavelos, Portugal
- Average UV index in September: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in September
Carcavelos, Portugal
- Average cloud cover in September: 16
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Carcavelos, 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).
Carcavelos, Portugal
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