San Lorenzo a Merse Weather in September

September in San Lorenzo a Merse brings high temperatures, with daytime highs of 26°C (79°F) and nights around 15°C (59°F). Quite a bit of rainfall is expected, around 95 mm (3.7 in), so pack an umbrella.

Rainfall in San Lorenzo a Merse in September

You can expect rain on roughly 9 days based on historical data, averaging 95 mm (3.7 in) for the month. 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 San Lorenzo a Merse in September

September is a good time to be in San Lorenzo a Merse. Days are perfect, reaching 26°C (79°F), with nights around 15°C (59°F). This kind of day-to-night contrast is typical for this time of year. With lows of 15°C (59°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in San Lorenzo a Merse in September

The days are predominantly sunny, with an estimated total of around 220 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit San Lorenzo a Merse.

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• January
• February
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For a detailed overview over the year and the best time to visit Italy, check out our San Lorenzo a Merse's climate page.

San Lorenzo a Merse Temperature in September

Min Temperature 15°C (59°F)  

Max Temperature 26°C (79°F)  

Chance of Rain 30%  

Precipitation 95 mm (3.7 in)  

Rainy days 9 days  

Sunshine 220 hours *  

Percentage Sunshine *  

* Data from: Siena, Italy (19 KM, 12 Miles).

What to Wear in San Lorenzo a Merse in September

Warm but pleasant conditions in San Lorenzo a Merse in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in San Lorenzo a Merse in September

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

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 Italy, check out our San Lorenzo a Merse's climate page.

More climate data for San Lorenzo a Merse

Temperature Rainfall Sunshine

See the full San Lorenzo a Merse climate overview or explore weather in Italy.