Early autumn · Weather & things to do
Tallinn in September
Tallinn cools off: highs slip to 60°F (16°C), from 68°F in August, with lows of 51°F (11°C) and about 2.2 in (57 mm) of rain.
It scores 77/100 for comfort, 4th of 12, which makes it a solid shoulder-season month.

- Avg high
- 60°F (16°C)
- Avg low
- 51°F (11°C)
- Rain
- 2.2 in (57 mm)
- Humidity
- 82%
- Cloud cover
- 70%
- Daylight
- ~12 h 30 min
- Comfort score
- 77/100 · Great
What September feels like
Highs near 60°F (16°C) make for comfortable sightseeing weather.
After dark, temperatures fall to about 51°F (11°C).
Rain is moderate at about 2.2 in (57 mm) for the month.
It's breezy, with average winds near 12 mph (5.2 m/s) at ground level.
Plan around September
September is shoulder season: good weather, a step below the best months (June – August).
- Comfort slips from 85/100 in August to 77/100.
- Our Tallinn & Riga route is planned for Late Nov – Dec, a window set by the holiday season rather than the weather — September falls outside it.
What to pack for September
- A warm layer for eveningsnights drop to 51°F
- Windproof shellaverage wind 12 mph
- Comfortable walking shoesmost picks involve some walking
What to do in Tallinn in September
With conditions on your side, the picks below favor time outside.
Kohtuotsa viewing platform
Toompea terrace looking over red and snow-covered roofs to St Olaf's spire and the harbour.
Why now September scores 77/100 for comfort, good conditions for being outside.
Alexander Nevsky Cathedral
Onion-domed Russian Orthodox cathedral from 1900 on Toompea, opposite the Estonian parliament in Toompea Castle.
Tallinn Christmas Market
Wooden stalls, a tall fir and mulled-wine counters fill Town Hall Square, where Tallinn says a tree stood as early as 1441.
Why now Highs near 60°F and 2.2 in of monthly rain make this an easy outdoor pick.
Olde Hansa
Candlelit medieval-themed restaurant in a merchant's house off Town Hall Square, serving game, honey beer and spiced almonds.
Why now One to do outside while the weather is on your side.
Rataskaevu 16
Small Old Town restaurant serving modern Estonian food, known for its braised elk roast.
Nearby in September
- Helsinki in September~51 mi · highs 59°F, 2.5 in rain · similar daytime temperatures, about as wet
- Riga in September~173 mi · highs 62°F, 2.3 in rain · 1°C (2°F) warmer by day, about as wet
- Stockholm in September~235 mi · highs 62°F, 2.2 in rain · 1°C (2°F) warmer by day, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Tallinn in September: quick answers
Is September a good time to visit Tallinn?
It's a good shoulder-season choice, scoring 77/100 against a best of 85 in June – August. Expect highs of 60°F (16°C) and 2.2 in (57 mm) of rain.
How cold is Tallinn in September?
Average highs are 60°F (16°C) and average lows 51°F (11°C), making it the 4th-warmest month by daytime highs.
Does it rain a lot in Tallinn in September?
Not much: about 2.2 in (57 mm) of rain falls across September on average, the 6th-wettest month of the year. The annual total is about 26.9 in (684 mm).
What should I pack for Tallinn in September?
Bring a warm layer for evenings (nights drop to 51°F), windproof shell (average wind 12 mph) and comfortable walking shoes (most picks involve some walking).
More on Tallinn
Planning Tallinn in September?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.




