Seewen
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Seewen Weather in September

Seewen in September sees moderate daytime temperatures of 17°C (63°F) and nighttime lows of 8°C (46°F). As part of the rainy season, showers are frequent and often heavy. Budget around 175 mm (6.9 in) of rainfall for the month.

Rainfall in Seewen in September

Seewen is in the rainy season in September, with rain on around 14 days and an average of 175 mm (6.9 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.

Temperature in Seewen in September

Seewen in September gets highs of 17°C (63°F) during the day and drops to 8°C (46°F) at night. The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Seewen in September

The month brings about 138 hours of sunlight, offering a comfortable mix of sun and rainy moments.

Wind Speed in Seewen in September

September sees wind speeds averaging 2 m/s (4 knots). You'll typically experience pleasant light breezes that move leaves slightly and feel refreshing. As an average, expect variation from very calm days to periods with more apparent air movement.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

Seewen Temperature in September

Min Temperature
8°C (46°F)
Max Temperature
17°C (63°F)
Chance of Rain
46%
Precipitation
175 mm (6.9 in)
Rainy days
14 days
Humidity
78% *
Windspeed
2 m/s (4 knots) *
Sunshine
138 hours *
Percentage Sunshine
52% *
* Data from: Altdorf, Switzerland (18 KM, 11 Miles).

Seewen Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Seewen - 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 Seewen in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Seewen in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    6/10
  • Cycling
    5/10
  • Walking
    5/10
  • Camping
    3/10

Seewen 3-Day Forecast

More climate data for Seewen

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.