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.
Iseltwald Weather in September
September in Iseltwald sees daytime temperatures around 14°C (57°F) and lows of 5°C (41°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.
Rainfall in Iseltwald in September
Iseltwald is in the rainy season in September, with rain on around 15 days and an average of 173 mm (6.8 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.
Temperature in Iseltwald in September
September in Iseltwald sees highs of 14°C (57°F) and lows of 5°C (41°F) overnight. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 5°C (41°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Iseltwald in September
The city usually sees around 149 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
Iseltwald Temperature in September
Min Temperature
5°C (41°F)
Max Temperature
14°C (57°F)
Chance of Rain
49%
Precipitation
173 mm (6.8 in)
Rainy days
15 days
Humidity
80% *
Sunshine
149 hours *
Percentage Sunshine
52% *
* Data from: Interlaken, Switzerland (7 KM, 4 Miles).
Iseltwald Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Iseltwald - 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 Iseltwald in September
The weather can be unpredictable in September, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Iseltwald in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming5/10 -
Cycling5/10 -
Walking5/10 -
Camping3/10
Iseltwald 3-Day Forecast
More climate data for Iseltwald
Temperature Rainfall Sunshine Humidity
See the full Iseltwald 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
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The 5 most scenic train journeys in Switzerland
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