Italy weather in September
Italy in September averages 21°C (70°F), 70 mm of rain and 8 hours of sun a day.
Of the twelve months in Italy, 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 Italy 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 Italy 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 Italy is 4.4°C cooler than August and 32 mm wetter than it, which averages 26°C (78°F).
September in Italy is 4°C warmer than October and 27 mm drier than it, which averages 17°C (63°F).
Daylight in Italy in September
On 15 September the sun is up for 12 hours 28 minutes in Italy, 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.
Italy 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 Italy in September
September climate averages for Italy, 1991–2020.
Italy 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.
