Lucca Weather in September

In Lucca, September brings high daytime temperatures around 25°C (77°F), with nights cooling to 15°C (59°F). Expect quite a bit of rainfall this month.

Rainfall in Lucca in September

Climate statistics over the past 30 years suggest around 9 days of rain, with 116 mm (4.6 in) average for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Lucca in September

Expect highs of 25°C (77°F) in Lucca in September, with nights dropping to around 15°C (59°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 15°C (59°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Lucca in September

There are approximately 219 hours of sunshine this month, resulting in mostly clear days.

Average water temperature in September

At 22°C (72°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.

Should you favor a climate that's both dry and comfortably warm, May, June, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit Italy, check out our Lucca's climate page.

Lucca Temperature in September

Min Temperature 15°C (59°F)  

Max Temperature 25°C (77°F)  

Water Temperature 22°C (72°F) *  

Chance of Rain 30%  

Precipitation 116 mm (4.6 in)  

Rainy days 9 days  

Humidity 71% *  

Sunshine 219 hours *  

Percentage Sunshine *  

* Data from: Pisa, Italy (21 KM, 13 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Lucca typically drop from around 26°C (79°F) at the start of September to approximately 23°C (73°F) by the end. Nights are cool, with lows typically ranging from 11°C (52°F) to 14°C (57°F).

Average temperatures in September

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Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

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Historical weather for Lucca in September

Browse day-by-day weather records for Lucca spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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Lucca historical weather extremes in September

Based on weather observations in Lucca between 1976 and 2025, these are the recorded extremes during September.

• The warmest day in September was on September 1, 2009, with a maximum of 34°C (93°F).
• The lowest daytime temperature in September was 12°C (54°F), recorded on September 26, 2025.
• Nighttime temperatures dropped to -1°C (30°F) on September 17, 1988, marking the coldest September night on record.

What to Wear in Lucca in September

For Lucca 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Expect water temperatures of around 22°C (72°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Lucca 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

Camping

6/10

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 Italy, check out our Lucca's climate page.

More climate data for Lucca

Temperature Rainfall Sunshine Humidity Water Temp

See the full Lucca climate overview or explore weather in Italy.