Average weather for São Lourenço do Douro in September
It's warm in September in São Lourenço do Douro with an average temperature of 24°C. Temperatures this month range from a low of 22°C to a high of 28°C. At night, you can expect temperatures between 13°C and 17°C.
Start of September
The month of September starts in São Lourenço do Douro with warm temps, averaging around 26°C during the day and nights around 16°C. There’s little chance of precipitation. The weather’s mostly sunny and dry.
With the temperature difference between day and night, it’s smart to wear layers.
Mid September
By mid-September, daytime temps drop to around 24°C, with nights around 16°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of September
By the end of September, the average daytime temperature in São Lourenço do Douro is around 24°C, while nighttime temps are about 14°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
In September, there is an average of 64 mm of precipitation, spread over 6 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
São Lourenço do Douro in September |
New York | ||
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24°C | 27°C | |
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28°C | 31°C | |
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22°C | -5°C | |
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64 mm | 57 mm | |
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6 days | 9 days |
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is September a good time to visit São Lourenço do Douro?
Looking for great weather? September is a good time to be in São Lourenço do Douro. The temperatures are nice, and there’s not too much rain.
Temperature records
With 36°C in 2016, São Lourenço do Douro reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 16°C in 2016. The extreme nighttime temperatures ranged from a lowest recorded value of 8°C to a highest value of 22°C.
Check out the climate of São Lourenço do Douro for all months and discover the best travel time
Curious about the weather in other parts of Portugal? Check out the climate and weather for spots like Algarve, Lisbon, Albufeira, or explore other destinations in Portugal.
Daily Temperature in September in São Lourenço do Douro
This chart shows the average daily high and low temperatures in September for São Lourenço do Douro, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in São Lourenço do Douro
The chart below shows the average daily precipitation in September for São Lourenço do Douro, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 6 days of precipitation in São Lourenço do Douro.
Daily UV index in September in São Lourenço do Douro
This chart shows the average daily UV index in September in São Lourenço do Douro, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in São Lourenço do Douro over the years
This chart shows the average temperature in September in São Lourenço do Douro, measured in degrees Celsius, over the past few years.
Total precipitation in September in São Lourenço do Douro over the years
This chart shows the average precipitation in September in São Lourenço do Douro, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in September for São Lourenço do Douro
Click on any day in September to get detailed info about the usual weather on that day in São Lourenço do Douro. Check out the historical temperatures and precipitation over the past 10 years on this day.






























Weather experiences in September in São Lourenço do Douro
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Average weather in São Lourenço do Douro by month
Click on a month below to see detailed weather info for São Lourenço do Douro. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of São Lourenço do Douro for all months at once