Rome

Lazio Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Lazio, Italy in September.

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Rome Ponza Viterbo Fiumicino

Are you planning a trip a to Lazio, Italy in September and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Lazio in September

Lazio, Italy is a region in Italy. September in Lazio generally has temperatures that range from pleasant to warm, with precipitation levels ranging from moderate to high. September falls during the summer season.

Temperatures

During the day the temperature is pleasant in Accumoli at 20°C (68°F) and warm in Prima Porta at 27°C (81°F). As night falls, temperatures generally drop to 17°C (63°F) in Prima Porta and 10°C (50°F) in Accumoli.

To learn more about the conditions in specific areas of Lazio, Italy, check out the map below.

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Tarquinia with an average of 75 mm (3 in) to high rainfall in Sutri with 124 mm (4.9 in).

Average sunshine

Most destinations offer generous amounts of sunshine this September. For example, Rome gets approximately 237 hours of sunlight, perfect for anyone wanting bright, sunny days.

Explore Lazio by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Best Places to Visit in Lazio in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Lazio.

Conditions Temperatures Precipitation
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).

Popular Destinations in Lazio

What is the weather like in September for some of the most popular destinations in Lazio, Italy?

Temperature range in Lazio (September)

Precipitation variation in Lazio (September)

Rome

In September Rome generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 20°C (68°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
28°C (82°F)
25°C (77°F)
22°C (72°F)
Min temperature
23°C (73°F)
20°C (68°F)
17°C (63°F)
Monthly sun hours
298 hours
237 hours
195 hours
Monthly rainfall
23 mm (0.9 in)
94 mm (3.7 in)
136 mm (5.4 in)
Monthly rainy days
6 days
9 days
12 days
Weather conditions
perfect
perfect
pleasant
Climate in Rome →

Ponza

In September Ponza generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 22°C (72°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
28°C (82°F)
25°C (77°F)
22°C (72°F)
Min temperature
25°C (77°F)
22°C (72°F)
19°C (66°F)
Monthly rainfall
17 mm (0.7 in)
77 mm (3 in)
109 mm (4.3 in)
Monthly rainy days
6 days
8 days
11 days
Weather conditions
perfect
perfect
pleasant
Climate in Ponza →

Viterbo

In September Viterbo generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 16°C (61°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
31°C (88°F)
26°C (79°F)
21°C (70°F)
Min temperature
19°C (66°F)
16°C (61°F)
12°C (54°F)
Monthly sun hours
298 hours
237 hours
195 hours
Monthly rainfall
39 mm (1.5 in)
102 mm (4 in)
133 mm (5.2 in)
Monthly rainy days
7 days
9 days
12 days
Weather conditions
pleasant
pleasant
pleasant
Climate in Viterbo →

Fiumicino

In September Fiumicino generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 20°C (68°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
28°C (82°F)
25°C (77°F)
22°C (72°F)
Min temperature
23°C (73°F)
20°C (68°F)
17°C (63°F)
Monthly sun hours
298 hours
237 hours
195 hours
Monthly rainfall
23 mm (0.9 in)
92 mm (3.6 in)
135 mm (5.3 in)
Monthly rainy days
6 days
9 days
12 days
Weather conditions
perfect
perfect
pleasant
Climate in Fiumicino →

Gaeta

In September Gaeta generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 19°C (66°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
28°C (82°F)
25°C (77°F)
22°C (72°F)
Min temperature
22°C (72°F)
19°C (66°F)
16°C (61°F)
Monthly sun hours
300 hours
234 hours
190 hours
Monthly rainfall
22 mm (0.9 in)
101 mm (4 in)
147 mm (5.8 in)
Monthly rainy days
7 days
9 days
11 days
Weather conditions
perfect
pleasant
pleasant
Climate in Gaeta →

Is your destination not in the list? Have a look at all destinations in Lazio, in Italy.

Popular cities in September

Day & night temperatures, rainfall and average weather in Lazio in September.

City Weather Day temp Night temp Rainfall
Rome 25°C (77°F) 20°C (68°F) 94 mm (3.7 in)
Ponza 25°C (77°F) 22°C (72°F) 77 mm (3 in)
Viterbo 26°C (79°F) 16°C (61°F) 102 mm (4 in)
Fiumicino 25°C (77°F) 20°C (68°F) 92 mm (3.6 in)
Gaeta 25°C (77°F) 19°C (66°F) 101 mm (4 in)
Sperlonga 25°C (77°F) 19°C (66°F) 104 mm (4.1 in)

Lazio weather in September: frequently asked questions

What is the weather like in Lazio, Italy in September?

Lazio, Italy typically experiences perfect weather in September, part of the summer season. Daytime highs in Rome average around 25°C (77°F), and temperatures drop to about 20°C (68°F) at night.

What is the average temperature in Lazio, Italy in September?

Daytime temperatures in Rome peak at roughly 25°C (77°F) in September, dropping to about 20°C (68°F) overnight.

Does Lazio, Italy get a lot of rain in September?

Not particularly. Rome averages just 94 mm (3.7 in) of rain in September, making it a mostly dry month for Lazio, Italy.

Is September a Good Time to Visit Lazio, Italy?

We believe that September is one of the best times to visit Lazio, Italy with overall perfect weather in Rome. It's worth noting that weather conditions might differ depending on the location you visit.

On average, the best time to visit Lazio, Italy is in May, June, July, August and September with generally perfect weather in Rome. On the other hand, the weather in December tends to be unpleasant.

Interested in more climate information?

We have much more information about the climate in Lazio.

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.

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