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 sea temperature 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
As September takes its course, Lagoa's average high-temperature registers at a still warm 24.8°C (76.6°F), closely aligning with the preceding month. Lagoa encounters an average low-temperature of 19.1°C (66.4°F) during September nights.Humidity
In September, the average relative humidity is 69%.Rainfall
June through September are months without rainfall.Sea temperature
August and September, with an average sea temperature of 21°C (69.8°F), are months with the warmest seawater in Lagoa.Note: Swimming in water that is 21°C (69.8°F) is not enjoyable for most. Breathing becomes more challenging to manage as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
In September, the average length of the day is 12h and 25min.On the first day of September in Lagoa, sunrise is at 07:04 and sunset at 20:02. On the last day of the month, sunrise is at 07:28 and sunset at 19:18 WEST.
Sunshine
The average sunshine in September in Lagoa is 9.6h.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In September, a daily UV index of 6 turns into the following recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Lagoa in September?
What is the average humidity in September in Lagoa?
What is the driest month in Lagoa?
Does it rain in Lagoa in September?
What are the months with the warmest sea water in Lagoa?
How cold is the water in September in Lagoa?
What is the average length of the day in September in Lagoa?
What time are sunrise and sunset in September in Lagoa?
How many hours of sunshine does Lagoa have in September?
When is the highest UV index in Lagoa?
What is the UV index reading in September in Lagoa?
Average temperature in September
Lagoa, Portugal
- Average high temperature in September: 24.8°C
The warmest month (with the highest average high temperature) is August (26.9°C).
The month with the lowest average high temperature is January (15°C).
- Average low temperature in September: 19.1°C
The month with the highest average low temperature is August (19.7°C).
The coldest month (with the lowest average low temperature) is February (10.7°C).
Average pressure in September
Lagoa, Portugal
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Lagoa, Portugal
- Average wind speed in September: 12.8km/h
The windiest month (with the highest average wind speed) is February (18.2km/h).
The calmest month (with the lowest average wind speed) is September (12.8km/h).
Average humidity in September
Lagoa, Portugal
- Average humidity in September: 69%
The month with the highest relative humidity is April (76%).
The months with the lowest relative humidity are July and August (66%).
Average rainfall in September
Lagoa, Portugal
- Average rainfall in September: 0mm
The wettest month (with the highest rainfall) is November (8mm).
The driest months (with the least rainfall) are June, July, August and September (0mm).
Average rainfall days in September
Lagoa, Portugal
- Average rainfall days in September: 1.2 days
The month with the highest number of rainy days is April (6.4 days).
The month with the least rainy days is August (0.2 days).
Average sea temperature in September
Lagoa, Portugal
- Average sea temperature in September: 21°C
The best months for swimming (with the highest average sea temperature) are August and September (21°C).
The coldest month (with the lowest average sea temperature) is February (15°C).
Average daylight in September /
Average sunshine in September
Lagoa, Portugal
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in September
Lagoa, Portugal
- Average sunshine days in September: 27.4 days
The month with the most sunshine days is July (30.5 days).
The month with the least sunshine days is November (22.1 days).
Average UV index in September
Lagoa, 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
Lagoa, Portugal
- Average cloud cover in September: 14
The month with the most cloud cover is January (Cloud cover 32).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility in September
Lagoa, 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).
