Early September 1 September
81°F
Typical afternoon high
32% historical wet-day frequency
Italy · City
Is September a good time?
September averages 76°F afternoons, with about 8 rain days. Later September is typically cooler.
Historical Lombardia regional averages, not a forecast or a measure of queues. Overnight demand compares average stays per day. Covers Milan, Lake Como and Bergamo; conditions vary within the region.
What matters most?
Weather 50% · Crowds 30% · Cost 20%
#5 of 12 months here · Balanced mix
Overall combines weather, overnight demand and cost. It does not include sea temperature.
Plan your September
Afternoons around 76°F (25°C): T-shirt weather; nights around 59°F (15°C): a sweater and a light jacket. About 13 hours of daylight. About 8 rain days in a typical September.
The sun rises about 06:58 and sets about 19:35 (local time, mid-month). Mornings start around 59°F (15°C); afternoons reach about 76°F (25°C). Expect rain on about 8 days in a typical September.
Early, middle or late?
Early September is typically warmer. The afternoon high averages 81°F on the 1st, versus 71°F on the 30th. Historical wet-day frequency falls from 32% to 26% between those dates.
81°F
Typical afternoon high
32% historical wet-day frequency
77°F
Typical afternoon high
30% historical wet-day frequency
71°F
Typical afternoon high
26% historical wet-day frequency
Historical daily averages from 2011–2025, smoothed over two weeks. A seasonal pattern, not a forecast. This does not establish which week has the lowest prices or fewest visitors.
Weather shows historical patterns, not a forecast. Holidays and events use the dates shown for 2027.
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| 181° | 281° | 380° | 480° | 580° | ||
| 680° | 779° | 879° | 979° | 1079° | 1178° | 1278° |
| 1378° | 1477° | 1577° | 1676° | 1776° | 1876° | 1975° |
| 2075° | 2174° | 2274° | 2374° | 2473° | 2573° | 2672° |
| 2772° | 2871° | 2971° | 3071° |
Afternoon high rain likely (25%+) local school holidays public holiday event
School-holiday dates for September 2027 aren't available in our data yet. A day without a school marker doesn't mean schools are open.
Afternoons cool from about 80°F (27°C) in the first week to 72°F (22°C) in the last. The chance of a wet day runs 24–32%.
Visitor season
Busy season. September averages 81% of August's overnight stays per day. Fewer overnight stays than August.
Overnight stays across Lombardia do not measure queues, day visitors or congestion at individual sights.
Hotel price season
Well above usual. The regional index has no room-rate baseline in euros.
Fewer overnight stays do not automatically mean cheaper rooms. Check actual quotes for your trip.
The hotel-season index is regional (ISTAT, NIC consumer price index for accommodation services (ECOICOP 112), by region); the country price level is national. Neither is a room quote.
Year-to-year variation
In the 15 years from 2011 to 2025, the month's afternoons averaged between 72°F (22°C) and 80°F (26°C); in 10 of them they were within 3°F (1.5°C) of the typical 76°F (25°C). Rain days ranged from 6 to 12; half the years had 7–11.
Rain days in each September
| Year | Afternoon high | Rain days |
|---|---|---|
| 2011 | 80°F | 6 |
| 2012 | 75°F | 10 |
| 2013 | 76°F | 6 |
| 2014 | 75°F | 7 |
| 2015 | 73°F | 9 |
| 2016 | 79°F | 6 |
| 2017 | 72°F | 11 |
| 2018 | 78°F | 7 |
| 2019 | 76°F | 8 |
| 2020 | 77°F | 8 |
| 2021 | 79°F | 7 |
| 2022 | 75°F | 11 |
| 2023 | 79°F | 7 |
| 2024 | 74°F | 12 |
| 2025 | 75°F | 12 |
Checked against official climate averages for Milano Linate. How we check
Compare dates
| Typical conditions | Aug | Sep | Oct |
|---|---|---|---|
| Afternoons | 86°F | 76°F | 66°F |
| Rain days | 8 | 8 | 9 |
| Overnight demand | 100% | 81% | 62% |
August: Warmer afternoons than September. More overnight demand. August guide →
October: Cooler afternoons than September. Less overnight demand. October guide →
Overnight demand measures accommodation stays, not queues.
Yellow marks the top three months on the Balanced mix. September stays as your reference.
April and October have fewer overnight stays than September, with a similar or higher Weather score.
Your comparison
Overnight stays are 100% of the busiest month.
Historical regional hotel-price season: about usual. There is no room-rate baseline in euros.
Read the August guide →| Typical conditions | September | August |
|---|---|---|
| Afternoons | 76°F | 86°F |
| Nights | 59°F | 66°F |
| Rain days | 8 | 8 |
| Visitor season | Busy season | Peak season |
| Overall / 10 | 7.2 | 5.9 |
| Month rank | #5 | #11 |
| Month | Overall | Rank | High | Low | Rain days | Weather | Visitor season |
|---|---|---|---|---|---|---|---|
| January | 6.7 | #10 | 48°F | 32°F | 6 | 5.7 | Moderate season |
| February | 6.8 | #7 | 51°F | 35°F | 6 | 5.8 | Moderate season |
| March | 7.5 | #3 | 59°F | 40°F | 7 | 7.0 | Moderate season |
| April | 7.4 | #4 | 67°F | 47°F | 8 | 8.2 | Busy season |
| May | 7.5 | #1 | 73°F | 54°F | 10 | 8.6 | Busy season |
| June | 6.7 | #9 | 83°F | 63°F | 9 | 7.8 | Busy season |
| July | 5.8 | #12 | 86°F | 66°F | 9 | 7.1 | Peak season |
| August | 5.9 | #11 | 86°F | 66°F | 8 | 7.1 | Peak season |
| September | 7.2 | #5 | 76°F | 59°F | 8 | 9.0 | Busy season |
| October | 7.5 | #2 | 66°F | 51°F | 9 | 8.1 | Busy season |
| November | 6.9 | #6 | 55°F | 42°F | 8 | 5.9 | Moderate season |
| December | 6.8 | #8 | 49°F | 34°F | 6 | 5.8 | Moderate season |
Near here
Nearby regions, nearest first. Distances are centre to centre, as the crow flies; they are not road distances or journey times.
TicinoSwitzerland · about 70 miles
Balanced Overall 6.5 · Very good weather, 74°F (23°C) · Busy season · Cost expensive
TrentinoItaly · about 70 miles
Balanced Overall 7.8 · Excellent weather, 73°F (23°C) · Moderate season · Cost pricey
Bologna & Emilia-RomagnaItaly · about 100 miles
Balanced Overall 7.8 · Very good weather, 80°F (26°C) · Moderate season · Cost pricey
Venice & the VenetoItaly · about 100 miles
Balanced Overall 7.2 · Very good weather, 77°F (25°C) · Busy season · Cost pricey
TuscanyFlorence, Siena · Italy · about 160 miles
Balanced Overall 7.4 · Excellent weather, 79°F (26°C) · Busy season · Cost pricey
Elsewhere in Europe
Milan, Lake Como & Lombardy's weather ranks 7 of 41 city regions this month. Milan, Lake Como & Lombardy already has excellent weather in September; these city regions outside Italy are about as good and quieter for their season, nearest first.
Lyon & the French AlpsRhône-Alpes · France · about 210 miles
Very good weather (8.9): 2°F cooler afternoons, quieter for its season (moderate season), cheaper
AntwerpBelgium · about 450 miles
Very good weather (8.8): 6°F cooler afternoons, quieter for its season (moderate season)
North BrabantNetherlands · about 460 miles
Very good weather (8.7): 6°F cooler afternoons, quieter for its season (moderate season), pricier
Barcelona & CataloniaSpain · about 490 miles
Very good weather (8.6): 4°F warmer afternoons, quieter for its season (busy season), cheaper
AragonSpain · about 590 miles
Excellent weather (9.1): 6°F warmer afternoons, 4 fewer rain days, quieter for its season (moderate season), cheaper
It's busy season, 81% of the busiest month and 22% above its average month.The figures cover the whole Lombardia region, suburbs included. That means about 170,000 overnight visitors on a typical September night across the region, 28% of them from Italy itself. Rentals booked through Airbnb, Booking, Expedia and Tripadvisor add up to 63,000 more: 37 for every 100 counted above. Some are the same properties counted twice.
| Climate suitability (HCI:Urban, 0–100) | 80 |
| How our weather was checked | Official climate averages for Milano Linate from the national weather service, every month: afternoon highs typically within 1°F (0.7°C), night lows within 1°F (0.6°C). |
| Tourist nights per 1,000 residents per day | 17 |
| Busiest month here | August · 21 |
| Visitors as share of people present | 1.7% |
| Rank among Europe's regions this month | 54th percentile |
| Domestic share of nights | 28% |
| Platform rental nights per 100 counted nights | 37 |
| Visitor share if every platform night were extra | 2.3% |
| Regional hotel-price season | Well above usual (+13% vs this region's average month). Historical index from ISTAT, NIC consumer price index for accommodation services (ECOICOP 112), by region; no euro room-rate baseline. |
| Population used | 10.0 million |
| Statistical region | ITC4 · Lombardia |
Crowds: Eurostat nights spent at tourist accommodation, by month and NUTS 2 region, 2024–2025 average. Overnight visitors per night is the month's nights divided by its days; the per-1,000 figure is Eurostat's, against each year's population. Platform rentals: Eurostat nights booked via Airbnb, Booking, Expedia and Tripadvisor, 2024–2025 average, shown separately because some properties are in both counts. Weather: Holiday Climate Index computed from ERA5 reanalysis with daily highs, night lows and rain days corrected from open national weather-service station records, 2011–2025, population-weighted to the region; day-by-day figures are the same data averaged by date. Heat and rain odds are counted across those years. Sunrise and sunset: NOAA solar equations, local time. Prices: Eurostat price level index and HICP, national; the first figure is regional (ISTAT, NIC consumer price index for accommodation services (ECOICOP 112), by region). Full method · this region's data.