Tallinn Weather in September

Thinking of visiting Tallinn in September? Expect moderate temperatures reaching 17°C (63°F) during the day, dropping to 9°C (48°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Tallinn in September

Typically, about 17 days will experience rainfall, with an average of 68 mm (2.7 in) for the month. With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in Tallinn in September

September in Tallinn brings moderate temperatures, with highs of 17°C (63°F) and nights around 9°C (48°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Tallinn in September

The month experiences a moderate amount of sunlight, with 163 hours of sunshine. This provides a nice balance between sunshine and clouds.

Wind Speed in Tallinn in September

Average wind conditions reach 5 m/s (10 knots) in September. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

If you prefer enjoying temperate temperatures and rain-free days, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.