Measurements:
°C
°F
Rome
52°F
SW 4 mph
Feels like: 50°F
Precip: 100%
World Resorts Italy Rome Weather September Weather in Rome

Rome Weather: September

Average Day Temperature: 84.8°F
Average Night Temperature: 68.5°F
Sea Water Temperature: 79.1°F
Number of Sunny Days: 23 days
Sunshine Hours: 11.8 - 13.1 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.4 in

Air Temperature in September, °F

Select Year: 2025 2024 2023

The highest day temperature in September 2025 was 92°F. The lowest night temperature was 62°F. The average values for day and night temperatures during September were 85.5°F и 68.9°F respectivly.

Rome Water Sea Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Rome was 79.8°F. The maximum and minimum values were 77.2°F and 81.0°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Rome is 1.4 in.

Wind Speed in September, mph

The average wind speed in September is 6.3 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Rome in September is 10.1 hours.

Best Time to Visit Rome
The most sunny months:
July 29 days
August 28 days
June 26 days
The most warm months:
August 94.2 °F
July 94.0 °F
June 87.6 °F
Warmest sea temperature:
August 82.3 °F
July 81.0 °F
September 79.1 °F
The most cold months:
January 53.6 °F
December 55.8 °F
February 56.5 °F
The most rainy months:
November 4 days
March 3 days
January 3 days
The most windy months:
March 7 mph
February 7 mph
July 6 mph

Rome on the Weather Map

Italy Resorts:
NAME
Amalfi +50
Bari +56
Cagliari +52
Catania +56
Florence +50
Genoa +48
Naples +56
Palermo +54
Pisa +50
Rimini +50
Rome +52
Scalea +44
Sicily +50
Tropea +56
Venice +48
24 Hours Weather Forecast
Rome
Local time: 10:15
05 dec, friday
1200 56°F
S
5 mph
1500 56°F
S
6 mph
1800 52°F
SE
4 mph
2100 50°F
S
6 mph
06 dec, saturday
0000 48°F
S
6 mph
0300 46°F
S
6 mph
0600 44°F
S
6 mph
0900 48°F
S
6 mph