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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 excellent, 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.
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).
San Lorenzo a Merse Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Lorenzo a Merse - and find the best time to visit.
Best Places in Italy in September
Find out more about the weather in Italy and which places have the best travel conditions in this month. See all of Italy in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
San Lorenzo a Merse 3-Day Forecast
More climate data for San Lorenzo a Merse
See the full San Lorenzo a Merse climate overview or explore weather in Italy.
Popular in September
Where to go in September - average daytime high across popular destinations.
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