Verdict: Excellent month
Rome Weather in September
September runs warm in Rome, with daily highs around 28°C (82°F) and nights near 17°C (63°F). Expect showers on roughly 9 days of the month — rarely trip-ruining, worth planning around. Overall, September is one of the best months of the year to be in Rome.
Average high
28°C / 82°F
Average low
17°C / 63°F
Rain days
~9
Precipitation
93 mm
What to pack for Rome in September
- Summer clothes, plus one light layer for air-con and evenings
- High-SPF sunscreen, sunglasses, and a refillable water bottle
- A packable rain shell or compact umbrella earns its space
- Comfortable walking shoes — every guide on this site assumes you'll use them
September against the rest of the year
Warmest in Rome: Jul (34°C / 93°F) · Coolest: Jan (13°C / 55°F) · Wettest: Dec (~12 rain days)
13°
4°
Jan
15°
5°
Feb
17°
6°
Mar
19°
8°
Apr
24°
14°
May
29°
18°
Jun
34°
21°
Jul
33°
21°
Aug
28°
17°
Sep
23°
14°
Oct
18°
9°
Nov
14°
6°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)