Rome weather in September
Rome in September averages 21°C (70°F), 70 mm of rain and 8 hours of sun a day.
Of the twelve months in Rome, September is the fourth warmest, the fifth wettest and the fifth sunniest.
- Average temp
- 21°C (70°F)
16–27°C · 61–80°F
- Rainfall
- 70 mm
Showers likely
- Sunshine
- 8 h
hours per day
What is Rome like in September?
Daytime
Days are warm, typically in the mid-20s°C or above.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Rome in September?
High-factor sun cream
With 8 hours of sun a day, burn time is short even in shade.
Sunglasses and a brimmed hat
Midday glare is the part people underpack for, not the heat itself.
A light rain jacket
About 70 mm falls this month — showers rather than washouts.
A layer for the evening
The day swings about 11°C between its low and its high.
September compared with August and October
September in Rome is 4.4°C cooler than August and 32 mm wetter than it, which averages 26°C (78°F).
September in Rome is 4°C warmer than October and 27 mm drier than it, which averages 17°C (63°F).
Daylight in Rome in September
On 15 September the sun is up for 12 hours 28 minutes in Rome, rising about 06:50 and setting about 19:18 local time.
September ends 1 hour 20 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 2 hours 45 minutes short of June, the longest-lit month here.
Where to stay in Rome
Dates are a starting point for September.
Travel guides for Rome
What to read before you book.
Rome weather by month
TemperatureRainfall
How September compares with the rest of the year
September is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 8°C / 46°F | 67 mm |
| February | 8°C / 47°F | 69 mm |
| March | 11°C / 52°F | 57 mm |
| April | 13°C / 56°F | 75 mm |
| May | 18°C / 65°F | 62 mm |
| June | 23°C / 73°F | 33 mm |
| July | 25°C / 77°F | 21 mm |
| August | 26°C / 78°F | 38 mm |
| September | 21°C / 70°F | 70 mm |
| October | 17°C / 63°F | 97 mm |
| November | 13°C / 55°F | 114 mm |
| December | 9°C / 48°F | 103 mm |
Similar weather in September
Other destinations whose September averages sit close to this one.
Check another month
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FAQs about Rome in September
September climate averages for Rome, 1991–2020.
Rome averages 21°C (70°F) in September, ranging from about 16°C (61°F) at night to 27°C (80°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 70 mm falls across September, enough to need a light jacket but not enough to reshape a trip.
Yes. September averages 21°C (70°F) against 17°C (63°F) in October — 4°C warmer.
September is 4.4°C cooler than August, and 32 mm wetter.
Yes. September falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
About 8 hours of sun a day on the 1991–2020 average — among the brighter months anywhere.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what September is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 12 hours 28 minutes of daylight in mid-September, against 15 hours 13 minutes in June and 9 hours 9 minutes in December.
On 15 September, sunrise is about 06:50 and sunset about 19:18 local time. Both shift across the month — the month ends 1 hour 20 minutes shorter than it starts.
