Lazio - Italy weather in September 2025
Lazio - Italy weather in September 2025
Day
26 °C
Night
16 °C
Sea
23 °C
Precipitation
74 mm
in month
Rainy days
7 days
in month
Daylight
12 hours
average
Sunshine
8 hours
average
Humidity
72 %
Day
26 °C
Night
16 °C
Sea
23 °C
Precipitation
74 mm
in month
Rainy days
7 days
in month
Daylight
12 hours
average
Sunshine
8 hours
average
Humidity
72 %
Overview: Lazio - Italy
Travel information
Weather charts for Lazio - Italy
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.
Find more destinations like this
Activities in Lazio - Italy
Destinations in Lazio - Italy
Destinations with similar weather to Lazio - Italy
Weather overview and FAQs
Weather overview
In Lazio in September, the average air temperature ranges from 26 °C (79 °F) during the day to 16 °C (62 °F) at night. There are 7 days of rain on average, where the rainfall is 75 mm (2.93 in).
Are there good conditions to visit in September in Lazio?
There are good conditions for visiting in September in Lazio. The daily temperatures in this month reach pleasant 26 °C (79 °F). The temperature of the sea will be perfect at 23 °C (74 °F). You can expect just 7 days of rain during the month, taking an umbrella is not necessary. The temperature of 16 °C (62 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.
What is the sea temperature in Lazio in September?
The sea will reach 23 °C (74 °F) in September in Lazio. This warm sea is nice for swimming, maybe cold for some, but most people can spend a long time in it.
What temperature can I expect during the day in September in Lazio?
In Lazio in September, the average daily temperatures will be 26 °C (79 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.
How heavy is the precipitation in Lazio in September?
In Lazio in September, there is 75 mm (2.93 in) rainfall, which means on average 3 mm (0.10 in) rainfall per day.
What is the average number of rainy days in September in Lazio?
There are 7 days, which are rainy in Lazio in September, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 1.7 days of the week, or in general - 24 % days.
Is September part of the wet season in Lazio?
No, there is no wet season in September in Lazio - you can expect 7 days of rain during the month.
What is the night temperature in Lazio in September?
The average night temperature in Lazio in September is 16 °C (62 °F). This temperature is pleasant for a wide range of evening, night, and morning activities from sports to sitting outside in restaurants or evening walks.
Is the sea in Lazio warmer in September than in August?
No, the sea is not warmer in Lazio in September than in August.
How windy is it in September in Lazio?
In Lazio in September, there will be an average wind scale of 3. It is rather a milder or unnoticeable wind, therefore it will not bother you during your holiday.
How many hours of sun to expect in Lazio in September?
In September in Lazio, you can expect around 8 hours of sunshine.
What level of humidity is to expect in Lazio in September?
In Lazio in September, expect humidity around 72 %.
How long is the day (from dawn till dusk) in Lazio in September?
The length of daylight in Lazio in September is 12 hours.
Is the weather in Lazio warmer in September than in October?
Yes, in September in Lazio it is warmer than in October by 4 °C (40 °F).
Is Lazio rainier in September than in August?
Yes, in Lazio in September it rains more than in August.
What is the temperature trend in September in Lazio?
During September in Lazio, the day temperatures are decreasing - from 28 °C (83 °F) at the beginning of the month to 24 °C (75 °F) at the end of the month.