The month in detail
What to expect in September
Autumn in Lucerne is often underrated: 68°F, golden light and declining crowds. An interesting window. Expect rain on 34% of days — a light raincoat in the bag is recommended. Not the best window, but acceptable if dates are constrained. August (7.8/10) is significantly better if possible.
September ranks 4 out of 12 months in Lucerne. Compared to August: −9°F daytime, 7 pts fewer rainy days, −1.5h of sun per day.
This month's conditions
What it's like in September
UV index
4 · moderate
protect during midday hours
Feels like
comfortable
13°
Daylight
12.3h of daylight
Air quality
good
AQI 24
Compare
Is September the right month?
The best month in Lucerne is August (7.8/10), 0.5 pt higher than September.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Lucerne
Expedia →
Activities
Tours, tickets, experiences
See ↓
Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Lucerne
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a city break.
Country · Switzerland
🗣️LanguageGerman
💶CurrencySwiss Franc (Fr)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘVery expensive · 5/5
🌡️ Climate
🌍Climate typeTemperate
📈Climate trend ⓘStable
🔥Hottest monthAugust · 77°F
❄️Coolest monthJanuary · 41°F
🌧️Rainiest month ⓘJune · 45%
🏛️ City break
📅Tourist peak seasonJune → August
☔Indoor sights ⓘYear-round
🚇Public transportGood
🛂VisaSchengen · 90 days
Explore
Other destinations in September
If September doesn't convince you for this destination, compare with others.
Similar climate
InterlakenSwitzerlandZurichSwitzerland
SalzburgAustria
ChamonixFranceZell am SeeAustria
Location
Where is Lucerne ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
SwitzerlandTemperate climate with a 7.8 → 0.7 gap between best and worst month. 10 years of ERA5 data to choose by project.
47.05°N · 8.31°E
Questions
Frequently asked questions
What is the best time to visit Lucerne?
August is the best month with 77°F highs, 61°F lows, 6.4h of sunshine and 41.0% rainy days. The months of August & June offer comparable conditions.
How many hours of sunshine does Lucerne get in August?
Lucerne averages 6.4 sunshine hours per day in August. It is the sunniest month with a climate score of 7.3/10.
What is the rainiest month in Lucerne?
January is the most unfavourable month with January has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Lucerne in August?
In August, overnight lows reach 61°F, while afternoon highs average 77°F.
Is Lucerne good in winter?
In winter (December-February), Lucerne scores 0.9/10 on average — Difficult period — prefer the peak season.. The best month overall remains August with a score of 7.3/10.
When should you avoid Lucerne?
January is the most difficult month to visit Lucerne, with January has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Do you need sun protection in Lucerne in September?
The average UV index reaches 4 in September in Lucerne (moderate), with about 12.3h of daylight. Protect during midday hours.