Como weather in September
Como in September averages 18°C (65°F), 168 mm of rain and 6.4 hours of sun a day. It is one of the wetter months of the year here.
Of the twelve months in Como, September is the fourth warmest, the third wettest and the fifth sunniest.

- Average temp
- 18°C (65°F)
14–22°C · 58–72°F
- Rainfall
- 168 mm
A wet month
- Sunshine
- 6.4 h
hours per day
What is Como like in September?
Daytime
Days are mild.
Rain
Expect frequent rain — this is a wet month.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Como in September?
A proper waterproof, not a folding umbrella
168 mm in the month usually arrives as heavy bursts that an umbrella will not cover.
A dry bag for phone and documents
Worth it for one downpour caught between the taxi and the door.
A layer for the evening
Evenings cool off noticeably once the sun is down.
September compared with August and October
September in Como is 4.2°C cooler than August and about as wet as it, which averages 22°C (72°F).
September in Como is 4.6°C warmer than October and 18 mm wetter than it, which averages 14°C (56°F).
Daylight in Como in September
On 15 September the sun is up for 12 hours 32 minutes in Como, rising about 07:01 and setting about 19:33 local time.
September ends 1 hour 33 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 3 hours 12 minutes short of June, the longest-lit month here.
Where to stay in Como
Dates are a starting point for September.

Travel guides for Como
What to read before you book.
Como 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 | 4°C / 40°F | 69 mm |
| February | 6°C / 42°F | 61 mm |
| March | 9°C / 49°F | 76 mm |
| April | 13°C / 55°F | 138 mm |
| May | 17°C / 62°F | 178 mm |
| June | 21°C / 69°F | 172 mm |
| July | 23°C / 73°F | 158 mm |
| August | 22°C / 72°F | 158 mm |
| September | 18°C / 65°F | 168 mm |
| October | 14°C / 56°F | 150 mm |
| November | 9°C / 48°F | 167 mm |
| December | 5°C / 41°F | 80 mm |
Check another month
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FAQs about Como in September
September climate averages for Como, 1991–2020.
Como averages 18°C (65°F) in September, ranging from about 14°C (58°F) at night to 22°C (72°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Yes, a lot. September brings about 168 mm, which makes it one of the wetter months here — expect heavy bursts rather than all-day drizzle.
Yes. September averages 18°C (65°F) against 14°C (56°F) in October — 4.6°C warmer.
September is 4.2°C cooler than August, and about as wet.
Yes. September falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
About 6.4 hours of sun a day on the 1991–2020 average.
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 32 minutes of daylight in mid-September, against 15 hours 44 minutes in June and 8 hours 40 minutes in December.
On 15 September, sunrise is about 07:01 and sunset about 19:33 local time. Both shift across the month — the month ends 1 hour 33 minutes shorter than it starts.

