September
Weather in September
Temperature
The onset of September manifests an average high-temperature of a still moderately hot 27°C (80.6°F), demonstrating a minor variation from the preceding month. Vale do Lobo's average low-temperature during September nights is observed to be a comfortable 17°C (62.6°F).Rainfall
In Vale do Lobo, in September, during 2 rainfall days, 15mm (0.59") of precipitation is typically accumulated. Throughout the year, there are 77 rainfall days, and 557mm (21.93") of precipitation is accumulated.Sea temperature
August and September, with an average sea temperature of 21°C (69.8°F), are months with the warmest seawater.Note: Swimming is not a pleasant activity for most individuals in 21°C (69.8°F). Breathing becomes increasingly challenging to control as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 07:03 and sunset at 20:00. On the last day of September, sunrise is at 07:27 and sunset at 19:16 WEST.
Sunshine
In Vale do Lobo, Portugal, the average sunshine in September is 9h.UV index
In Vale do Lobo, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: An average UV index of 7 in September transforms into this advice:
Prevent overexposure. Protection from the sun's harmful effects is needed. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
How many days does it rain in September?
When is the sea warmest?
What is the sea water temperature in September?
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What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Vale do Lobo, Portugal
- Average high temperature in September: 27°C
The warmest months (with the highest average high temperature) are July and August (28°C).
The months with the lowest average high temperature are January, February and December (16°C).
- Average low temperature in September: 17°C
The months with the highest average low temperature are July, August and September (17°C).
The coldest months (with the lowest average low temperature) are January and February (8°C).
Average rainfall in September
Vale do Lobo, Portugal
- Average rainfall in September: 15mm
The wettest month (with the highest rainfall) is December (100mm).
The driest months (with the least rainfall) are July and August (2mm).
Average rainfall days in September
Vale do Lobo, Portugal
- Average rainfall days in September: 2 days
The month with the highest number of rainy days is December (12 days).
The months with the least rainy days are July and August (1 days).
Average sea temperature in September
Vale do Lobo, 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
Vale do Lobo, 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
The month with the most sunshine is July (Average sunshine: 12h).
The months with the least sunshine are January and December (Average sunshine: 5h).
Average UV index in September
Vale do Lobo, Portugal
- Average UV index in September: 7
The months with the highest UV index are June, July and August (UV index 9).
The months with the lowest UV index are January and December (UV index 2).
