Grisons weather in September
Thinking about venturing to Grisons this September and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:
What is the weather like in Grisons in September?
Grisons is a region in Switzerland. September in Grisons generally has temperatures that range from cold to moderate, with precipitation levels ranging from moderate to heavy.
During the day temperatures vary from cold in Sta Maria Val Müstair at 11°C to moderate in Verdabbio at 17°C. At night it cools down to 8°C in Verdabbio and 1°C in Sta Maria Val Müstair.
In September, precipitation varies across different areas. From moderate rainfall in Sta Maria Val Müstair with an average of 88 mm to heavy rainfall in Sedrun with 172 mm. Most cities enjoy a balanced amount of sunshine, with around 162 hours of sunlight anticipated in Davos. This ensures the days are neither too dim nor excessively sunny.
To learn more about the conditions in specific areas of Grisons in September, check out the map below. For more details on the yearly weather, visit our Grisons climate page.
Where to go in Grisons in September
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Popular destinations
What is the weather like in September for the 5 most popular destinations in Grisons?
Davos
In September Davos generally has moderate temperatures with maximum daytime temperatures around 13°C, minimum nighttime temperatures around 2°C and high monthly rainfall. So on average the conditions are poor that month.
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Arosa
In September Arosa generally has moderate temperatures with maximum daytime temperatures around 13°C, minimum nighttime temperatures around 3°C and high monthly rainfall. So on average the conditions are poor that month.
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Silvaplana
In September Silvaplana generally has moderate temperatures with maximum daytime temperatures around 12°C, minimum nighttime temperatures around 2°C and high monthly rainfall. So on average the conditions are poor that month.
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St. Moritz
In September St. Moritz generally has low temperatures with maximum daytime temperatures around 11°C, minimum nighttime temperatures around 2°C and high monthly rainfall. So on average the conditions are poor that month.
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Samnaun
In September Samnaun generally has moderate temperatures with maximum daytime temperatures around 12°C, minimum nighttime temperatures around 2°C and high monthly rainfall. So on average the conditions are poor that month.
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Is your destination not in the list? Have a look at other destinations in Grisons, in Switzerland.
Is September the best time to visit Grisons?
Given the typically poor weather conditions in Davos, September may not be the ideal time to visit Grisons.
Generally speaking, the best visiting conditions can be found in July and August offering mostly unpleasant weather in Davos.
Interested in more climate information?
We have much more information about the climate in Grisons.
Interested in the weather conditions in a specific month? Select the month below.
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