São Lourenço do Douro Weather in September

September is one of the perfect months to visit São Lourenço do Douro, with daytime temperatures of 25°C (77°F) and lows of 14°C (57°F) at night. Do note that quite a bit of rainfall is typical, averaging around 83 mm (3.3 in).

Rainfall in São Lourenço do Douro in September

Analyzing past climate data, one can expect approximately 9 days of rain, averaging 83 mm (3.3 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in São Lourenço do Douro in September

If you're visiting São Lourenço do Douro in September, expect perfect temperatures with highs of 25°C (77°F) and overnight lows of 14°C (57°F). During September, you'll experience the summer season. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 14°C (57°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in São Lourenço do Douro in September

Expect a lot of sunshine this month, with about 224 hours of sun. These sunny conditions add to the overall experience.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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For a detailed overview over the year and the best time to visit Portugal, check out our São Lourenço do Douro's climate page.

São Lourenço do Douro Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 29%  

Precipitation 83 mm (3.3 in)  

Rainy days 9 days  

Humidity 76% *  

Sunshine 224 hours *  

Percentage Sunshine 64% *  

* Data from: Porto, Portugal (43 KM, 26 Miles).

What to Wear in São Lourenço do Douro in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in São Lourenço do Douro in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Portugal, check out our São Lourenço do Douro's climate page.

More climate data for São Lourenço do Douro

Temperature Rainfall Sunshine Humidity

See the full São Lourenço do Douro climate overview or explore weather in Portugal.