Canton of Lucerne · Switzerland
Lucerne in September
In September, Lucerne averages a daytime high of 19 °C and a night-time low of 10 °C, with about 97 mm of rain over the month. Lucerne has no month that is both mild and dry by the measure used here.
- Average high
- 19 °C
- Average low
- 10 °C
- Rain in the month
- 97 mm
- Daylight on 15 Sep
- 12 h 20 min
- Comfortable month
- No
- Places to stay
- 103
When to go
How September compares with the rest of the year in Lucerne
September is tied for the 4th warmest month in Lucerne by average daytime high; across the year the highs run from 4 °C to 24 °C and the lows from -2 °C to 14 °C. By day, September is 5 °C cooler than August, and October is 5 °C cooler than September.
September brings 97 mm of rain, more than the monthly average of 94 mm (1128 mm a year); it is the 5th wettest month.
On 15 September the sun is up for about 12 h 20 min, against 8 h 30 min at the shortest and 15 h 50 min at the longest point of the year (calculated from the latitude, sunrise to sunset).
| Month | High | Low | Rain | Comfortable |
|---|---|---|---|---|
| January | 4 °C | -2 °C | 62 mm | |
| February | 5 °C | -1 °C | 61 mm | |
| March | 10 °C | 2 °C | 62 mm | |
| April | 15 °C | 5 °C | 80 mm | |
| May | 19 °C | 9 °C | 124 mm | |
| June | 22 °C | 13 °C | 133 mm | |
| July | 24 °C | 14 °C | 137 mm | |
| August | 24 °C | 14 °C | 146 mm | |
| September | 19 °C | 10 °C | 97 mm | |
| October | 13 °C | 7 °C | 76 mm | |
| November | 8 °C | 3 °C | 75 mm | |
| December | 4 °C | -1 °C | 75 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 Lucerne?
Not by the measure used here: about 97 mm of rain is 80 mm or more. No month in Lucerne meets it.
The measure is about weather for a city stay only; it says nothing about events, school holidays or prices.
When to go
Destinations near Lucerne that are comfortable in September
Within 300 km, nearest first, by the same measure.
Where to stay
Where to stay in Lucerne
This guide lists 103 places to stay in Lucerne, hotels recorded in Wikidata. By straight-line distance from the centre: under 1 km, 30; 1–3 km, 13; 3–10 km, 31; 10 km or more, 29.
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.