September weather forecast
Rome, Italy

September in Rome introduces an onset of cooler autumn weather while holding onto the remnants of summer heat. Rainfall begins a noticeable increase, signaling the end of the drier summer period. Daylight hours and sunshine begin to dwindle, metaphorically painting a more autumn-like picture. Despite the lowering temperatures, the city retains its charm. As October comes in, Rome sees a further decline in pathways leading up to a more winter-like climate.

Temperature

The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a tropical 30.6°C (87.1°F) in August to a warm 26.5°C (79.7°F). Throughout September, an average low-temperature of 15.2°C (59.4°F) is expected in Rome.

Rainfall

In September, the rain falls for 6.2 days. Throughout September, 73mm (2.87") of precipitation is accumulated. In Rome, during the entire year, the rain falls for 79.4 days and collects up to 804mm (31.65") of precipitation.

Daylight

In Rome, the average length of the day in September is 12h and 29min.
On the first day of September, sunrise is at 06:36 and sunset at 19:43. On the last day of the month, sunrise is at 07:06 and sunset at 18:53 CEST.

Sunshine

In September, the average sunshine in Rome is 7.9h.

UV index

The average daily maximum UV index in September in Rome is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 6 in September suggests the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.