Zermatt weather in September
“A steady middle month — well worth visiting with the right expectations.”
Roughly 13 rainy days across the month, on average.
In september, Zermatt settles into its quieter, cooler pace. The city keeps a different pulse than in summer or midwinter, and travellers who arrive with the right expectations are rewarded.
Days average around 14°C (58°F), cooling to 6°C after sunset. Rainfall is moderate — around 13 rainy days spread through the month. Long days of sunshine reward early starts.
These figures are climatological averages, drawn from a decade of daily records via the Open-Meteo Archive — not a forecast. But they are honest, and they are the sort of thing a good travel guide ought to tell you before you book the flight.
What to pack for Zermatt in September
- •A compact travel umbrella — one you'll actually carry
- •A merino base layer for the cold evenings
- •Comfortable, broken-in walking shoes
- •A small daypack that won't look like a tourist beacon
What to pack for Zermatt in September
- →Lightweight fleeceAmazon · shop this
- →Merino travel socksAmazon · shop this
- →Compact travel umbrellaAmazon · shop this
- →Reef-safe sunscreen SPF 50Amazon · shop this
- →Polarized sunglassesAmazon · shop this
- →Universal travel adapterAmazon · shop this
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Where to stay in Zermatt
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Zermatt in September — FAQ
Q01Is September a good month for Zermatt?
Is September a good month for Zermatt?
It is a fair time to visit — expect variable conditions and plan flexibility. In September, Zermatt averages a high of 14°C (58°F) and a low of 6°C (43°F), with 74mm of rainfall across roughly 13 rainy days.
Q02How warm does Zermatt get in September?
How warm does Zermatt get in September?
The average high temperature in Zermatt during September is 14°C (58°F), with an average low of 6°C (43°F). These figures are averaged from ten years of daily records (2015–2024, Open-Meteo Archive).
Q03Does it rain a lot in Zermatt in September?
Does it rain a lot in Zermatt in September?
Zermatt averages approximately 13 rainy days in September, with a total monthly rainfall of about 74mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.
Q04What clothes should I bring to Zermatt in September?
What clothes should I bring to Zermatt in September?
For Zermatt in September, pack a merino base layer for evenings, a compact umbrella or waterproof jacket, comfortable walking shoes. These recommendations are based on the ten-year weather averages for this specific month.
Q05Are there many tourists in Zermatt in September?
Are there many tourists in Zermatt in September?
Tourist crowds in Zermatt during September are typically moderate. Consider this when planning accommodation — prices track crowd levels closely.