The 5 most scenic train journeys in Switzerland
Explore Switzerland's top 5 train journeys, featuring breathtaking Alpine views and engineering marvels like the Glacier Express and Bernina Express.
Susten Weather in September
Susten in September sees moderate daytime temperatures of 14°C (57°F) and nighttime lows of 3°C (37°F). Rainfall is fairly high this month at around 122 mm (4.8 in), so pack a rain jacket to stay dry.
Rainfall in Susten in September
Rain is expected on roughly 15 days, totalling around 122 mm (4.8 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Susten in September
Susten in September gets highs of 14°C (57°F) during the day and drops to 3°C (37°F) at night. Conditions are often most pleasant around the middle of the day. With overnight lows of 3°C (37°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Susten in September
The month enjoys around 210 hours of sunshine, creating mostly sunny days despite the cool temperatures.If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for Susten.
Susten Temperature in September
Min Temperature
3°C (37°F)
Max Temperature
14°C (57°F)
Chance of Rain
49%
Precipitation
122 mm (4.8 in)
Rainy days
15 days
Humidity
71% *
Sunshine
210 hours *
Percentage Sunshine
65% *
* Data from: Sion, Switzerland (25 KM, 15 Miles).
Susten Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Susten - and find the best time to visit.
Best Places in Switzerland in September
Find out more about the weather in Switzerland and which places have the best travel conditions in this month. See all of Switzerland in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Susten in September
The weather can swing between comfortable and chilly in September, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Susten in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming4/10 -
Cycling5/10 -
Walking5/10 -
Camping3/10 -
Outdoor sports9/10
Susten 3-Day Forecast
More climate data for Susten
Temperature Rainfall Sunshine Humidity
See the full Susten climate overview or explore weather in Switzerland.
Popular in September
Where to go in September - average daytime high across popular destinations.
Zürich
20°C (68°F) Crans-Montana15°C (59°F) Engelberg
15°C (59°F) Nendaz15°C (59°F) Saas-Fee12°C (54°F) Davos13°C (55°F) Grindelwald13°C (55°F) Zermatt11°C (52°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 5 most scenic train journeys in Switzerland
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