Viimsi Weather in September

September in Viimsi averages 17°C (63°F) during the day and 10°C (50°F) at night. Quite a bit of rainfall is typical this month, with around 70 mm (2.8 in) on average. An umbrella is a good idea.

Rainfall in Viimsi in September

Past climate data indicates that roughly 17 days will see rain, totalling around 70 mm (2.8 in) for the month. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.

Temperature in Viimsi in September

Daytime highs in Viimsi in September reach 17°C (63°F), with nights around 10°C (50°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 10°C (50°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Viimsi in September

With about 163 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

Wind Speed in Viimsi in September

Wind speeds average 5 m/s (10 knots) during September. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.

If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for Viimsi.