São Pedro do Estoril Weather in September

September in São Pedro do Estoril averages 23°C (73°F) during the day and 18°C (64°F) at night. The perfect conditions and moderate rainfall make it a solid month to visit.

Rainfall in São Pedro do Estoril in September

Based on our climate data of the past 30 years, about 6 days of rain are anticipated, with 31 mm (1.2 in) on average. The occasional light shower is possible, but rain is rarely an issue this month.

Temperature in São Pedro do Estoril in September

São Pedro do Estoril in September is worth a visit. The temperature is perfect, with 23°C (73°F) during the day and 18°C (64°F) at night. This kind of day-to-night contrast is typical for this time of year. With overnight lows of 18°C (64°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 Pedro do Estoril in September

Expect sunny days throughout the month, with an estimated 278 hours of sunshine. This makes it a pleasant time to visit São Pedro do Estoril.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August, September and October typically offer the best weather for São Pedro do Estoril.

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

São Pedro do Estoril Temperature in September

Min Temperature 18°C (64°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 20%  

Precipitation 31 mm (1.2 in)  

Rainy days 6 days  

Humidity 75% *  

Sunshine 278 hours *  

Percentage Sunshine 75% *  

* Data from: Cascais, Portugal (4 KM, 2 Miles).

What to Wear in São Pedro do Estoril in September

For São Pedro do Estoril in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Some rain is possible, so pack something to handle light showers. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in São Pedro do Estoril in September

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

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

10/10

Outdoor sports

10/10

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 Pedro do Estoril's climate page.

More climate data for São Pedro do Estoril

Temperature Rainfall Sunshine Humidity

See the full São Pedro do Estoril climate overview or explore weather in Portugal.