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Andermatt in September

Mild and wet, as the days shorten.

Typical weather, averaged over 30 years

September in Andermatt is mild: highs near 63°F, lows near 41°F. Rain falls on about four days a week, less often as the month goes on, and the days shorten by 1 hour 12 minutes from the first week to the last.September in Andermatt is mild: highs near 17°C, lows near 5°C. Rain falls on about four days a week, less often as the month goes on, and the days shorten by 1 hour 12 minutes from the first week to the last.

High
63°F17°Caverage
Low
41°F5°Caverage
Wet days
4a week · 55% of days
Daylight
12h 27mon average

Is September a good time to visit Andermatt?

A good month, just outside Andermatt's best months, which run from July to August.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How September sits in the year

week by week

Temperature

Highs near 63°F in September, against 33°F to 70°F through the year.Highs near 17°C in September, against 1°C to 21°C through the year.

Chance of a wet day

55% of days in September, against 49% to 72% through the year.

Cloud cover

54% cover in September, against 49% to 64% through the year.

Daylight

12h 27m in September, against 8h 37m to 15h 46m through the year.

Week by week, lightly smoothed, with September shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. August70°21°low 47°low 8°5 wet days a weekRain on about five days a week.
  2. September63°17°low 41°low 5°4 wet days a weekRain on about four days a week.
  3. October56°13°low 35°low 2°3 wet days a weekRain on about three days a week.

Where Andermatt sits, in September

Europe/Zurich
this place
typical high in September 40°F4°C95°F35°C
Sunrise, mid-September
7:02 AMsets 7:40 PM
Above the sea
1,447 mupland
Latitude
46.6°Nnorthern hemisphere
Nearest of ours
Bürgenstock43 km north

The land around Andermatt, shaded by its typical high in September, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Switzerland in September

high · low · wet days
See September on the planning mapThe whole year in Andermatt

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Andermatt. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (1,447 m) against the climate model's (2,180 m).Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (1,447 m) against the climate model's (2,180 m). Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.