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Weather in September in Italy

Thinking about venturing to Italy this September and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What is the weather like in Italy in September?

In September, Italy experiences a range of weather conditions, with temperatures that range from cold to warm and precipitation levels ranging from low to heavy. September is a summer month.

Temperatures

The average highest temperatures fluctuate between cold in Maso Corto at 11°C to warm in Annunziata at 30°C. Nighttime temperatures generally drop to 19°C in Annunziata and 1°C in Maso Corto.

Precipitation

In September, precipitation varies across different areas. From low rainfall in Solanas with an average of 29 mm to heavy rainfall in Vogogna with 349 mm.

Average sunshine

Meanwhile, Rome enjoys close to 237 hours of sunlight. This means it's a great month if you prefer bright and sunny days.

To learn more about the conditions in specific areas of Italy in September, check out the map below. For more details on the yearly weather, visit our Italy climate page.

Where to go in Italy in September

Find more information for the most popular destinations in the Italy on the map below. Click on a destination dot for more detailes.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in September for the 5 most popular destinations in Italy?

Rome

In September Rome generally has high temperatures with maximum daytime temperatures around 25°C, minimum nighttime temperatures around 20°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Rome
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
28°C 
23°C 
298 hours 
23 mm 
6 days 
25°C 
20°C 
237 hours 
94 mm 
9 days 
October   >> October
>>  
22°C 
17°C 
195 hours 
136 mm 
12 days 
Climate in Rome

Florence

In September Florence generally has high temperatures with maximum daytime temperatures around 25°C, minimum nighttime temperatures around 14°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Florence
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
30°C 
18°C 
322 hours 
34 mm 
8 days 
25°C 
14°C 
219 hours 
87 mm 
9 days 
October   >> October
>>  
20°C 
10°C 
177 hours 
117 mm 
11 days 
Climate in Florence

Milan

In September Milan generally has high temperatures with maximum daytime temperatures around 24°C, minimum nighttime temperatures around 15°C and high monthly rainfall. So on average the conditions are pleasant that month.

Milan
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
29°C 
19°C 
251 hours 
127 mm 
13 days 
24°C 
15°C 
181 hours 
158 mm 
11 days 
October   >> October
>>  
18°C 
11°C 
107 hours 
166 mm 
12 days 
Climate in Milan

Venice

In September Venice generally has high temperatures with maximum daytime temperatures around 24°C, minimum nighttime temperatures around 18°C and high monthly rainfall. So on average the conditions are pleasant that month.

Venice
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
28°C 
22°C 
257 hours 
91 mm 
10 days 
24°C 
18°C 
198 hours 
134 mm 
9 days 
October   >> October
>>  
19°C 
14°C 
152 hours 
128 mm 
11 days 
Climate in Venice

Naples

In September Naples generally has high temperatures with maximum daytime temperatures around 25°C, minimum nighttime temperatures around 20°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Naples
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
29°C 
23°C 
294 hours 
22 mm 
6 days 
25°C 
20°C 
234 hours 
96 mm 
9 days 
October   >> October
>>  
22°C 
17°C 
189 hours 
133 mm 
12 days 
Climate in Naples

Is your destination not in the list? Have a look at other destinations in Italy.

Is September the best time to visit Italy?

We believe that September is one of the best times to visit Italy with overall perfect weather in Rome. However, the weather conditions may vary depending on your destination.

Generally speaking, the best visiting conditions can be found in May, June, July, August and September offering mostly perfect weather in Rome. The weather in December, on the other hand, tends to be unpleasant.

Interested in more climate information?

We have much more information about the climate in Italy. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to Italy? Get detailed historical weather averages for many cities in Italy.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.