Lazio · Italy
Rome in September
In September, Rome averages a daytime high of 27 °C and a night-time low of 17 °C, with about 80 mm of rain over the month. It falls outside Rome's most comfortable months, April to June.
- Average high
- 27 °C
- Average low
- 17 °C
- Rain in the month
- 80 mm
- Daylight on 15 Sep
- 12 h 20 min
- Comfortable month
- No
- Places to stay
- 509
When to go
How September compares with the rest of the year in Rome
September is tied for the 3rd warmest month in Rome by average daytime high; across the year the highs run from 13 °C to 31 °C and the lows from 5 °C to 20 °C. By day, September is 4 °C cooler than August, and October is 4 °C cooler than September.
September brings 80 mm of rain, more than the monthly average of 62 mm (740 mm a year); it is the 4th wettest month.
On 15 September the sun is up for about 12 h 20 min, against 9 h 10 min at the shortest and 15 h 10 min at the longest point of the year (calculated from the latitude, sunrise to sunset).
| Month | High | Low | Rain | Comfortable |
|---|---|---|---|---|
| January | 13 °C | 5 °C | 74 mm | |
| February | 14 °C | 5 °C | 62 mm | |
| March | 16 °C | 7 °C | 56 mm | |
| April | 19 °C | 9 °C | 59 mm | Yes |
| May | 23 °C | 13 °C | 40 mm | Yes |
| June | 27 °C | 17 °C | 35 mm | Yes |
| July | 30 °C | 19 °C | 13 mm | |
| August | 31 °C | 20 °C | 21 mm | |
| September | 27 °C | 17 °C | 80 mm | |
| October | 23 °C | 13 °C | 88 mm | |
| November | 18 °C | 9 °C | 118 mm | |
| December | 14 °C | 6 °C | 94 mm |
Comfortable means average daytime high between 18 °C and 29 °C and under 80 mm of rain in the month. Averages for 1991–2020 over the surrounding area, a grid square about 50 km across, so a coast or a nearby mountain can make the town itself warmer or cooler. Data: CRU TS v4.10, Climatic Research Unit, University of East Anglia (Open Database License).
When to go
Is September a good time to visit Rome?
Not by the measure used here: about 80 mm of rain is 80 mm or more. The comfortable months in Rome are April to June; the nearest are June, before, and April, after.
The measure is about weather for a city stay only; it says nothing about events, school holidays or prices.
When to go
Destinations near Rome that are comfortable in September
Within 300 km, nearest first, by the same measure.
Where to stay
Where to stay in Rome
This guide lists 509 places to stay in Rome: 13 chain properties with their details and own websites, and 496 hotels recorded in Wikidata. By straight-line distance from the centre: under 1 km, 73; 1–3 km, 376; 3–10 km, 58; 10 km or more, 2.
Sources: climate from CRU TS v4.10 (Climatic Research Unit, University of East Anglia; Open Database License), 1991–2020 averages; day length calculated from the latitude; places to stay from each operator's own public pages and Wikidata. How this guide is made.