Unterwasser Weather in September

September in Unterwasser averages 17°C (63°F) during the day and 8°C (46°F) at night. September is part of the rainy season, with around 182 mm (7.2 in) of rainfall and frequent showers.

Rainfall in Unterwasser in September

As part of the rainy season, Unterwasser sees around 14 days of rain in September, with an average of 182 mm (7.2 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.

Temperature in Unterwasser in September

Temperatures in Unterwasser in September top out at 17°C (63°F) and drop to 8°C (46°F) overnight. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With lows around 8°C (46°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Unterwasser in September

The city usually sees around 157 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).

Wind Speed in Unterwasser in September

Average wind conditions reach 6 m/s (12 knots) in September. This creates notably windy weather that is clearly felt and can influence daily activities. Keep in mind this is an average. Some days are less intense, while others can be quite gusty.

September in Unterwasser has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.