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
Lourinhã records a slight change with September's average high-temperatures adjusting to a still moderately hot 24.9°C (76.8°F) from August's 25.7°C (78.3°F). Nighttime temperatures in September average to an enjoyable 16.9°C (62.4°F) in Lourinhã, Portugal.Humidity
The months with the lowest humidity in Lourinhã, Portugal, are September and October, with an average relative humidity of 72%.Rainfall
In September, the rain falls for 6.6 days. Throughout September, 20mm (0.79") of precipitation is accumulated. In Lourinhã, during the entire year, the rain falls for 118.8 days and collects up to 406mm (15.98") of precipitation.Daylight
In September, the average length of the day in Lourinhã is 12h and 26min.On the first day of September in Lourinhã, sunrise is at 07:06 and sunset at 20:07. On the last day of the month, sunrise is at 07:32 and sunset at 19:21 WEST.
Sunshine
The average sunshine in September is 9.3h.UV index
In Lourinhã, Portugal, 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 average individuals.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Frequently asked questions
What is the temperature in September in Lourinhã?
What is the least humid month in Lourinhã?
What is the average humidity in September in Lourinhã?
How many days does it rain in September in Lourinhã?
How many hours of daylight does Lourinhã have in September?
When is the sunrise / sunset in September in Lourinhã?
How long on average sun shines in September in Lourinhã?
How high is the UV index in September in Lourinhã?
Average temperature in September
Lourinhã, Portugal
- Average high temperature in September: 24.9°C
The warmest month (with the highest average high temperature) is August (25.7°C).
The month with the lowest average high temperature is January (14.3°C).
- Average low temperature in September: 16.9°C
The month with the highest average low temperature is August (17.3°C).
The coldest month (with the lowest average low temperature) is February (9.5°C).
Average pressure in September
Lourinhã, Portugal
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in September
Lourinhã, Portugal
- Average wind speed in September: 14.2km/h
The windiest month (with the highest average wind speed) is February (17.6km/h).
The calmest month (with the lowest average wind speed) is October (14km/h).
Average humidity in September
Lourinhã, Portugal
- Average humidity in September: 72%
The month with the highest relative humidity is January (78%).
The months with the lowest relative humidity are September and October (72%).
Average rainfall in September
Lourinhã, Portugal
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is November (74mm).
The driest month (with the least rainfall) is July (3mm).
Average rainfall days in September
Lourinhã, Portugal
- Average rainfall days in September: 6.6 days
The month with the highest number of rainy days is November (14.8 days).
The month with the least rainy days is August (3.1 days).
Average daylight in September /
Average sunshine in September
Lourinhã, Portugal
- Average daylight in September: 12h and 2min
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 30min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Lourinhã, Portugal
- Average sunshine days in September: 22 days
The month with the most sunshine days is July (26.5 days).
The month with the least sunshine days is November (12.8 days).
Average UV index in September
Lourinhã, Portugal
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 4).
Average cloud cover in September
Lourinhã, Portugal
- Average cloud cover in September: 20
The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Lourinhã, Portugal
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (10km).
The months with the lowest visibility are July and August (9km).
Lourinhã, Portugal
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