The month in detail
What to expect in September
Autumn marks the end of peak season in Tallinn. Temperatures drop (16°C) and rain returns (34% of days). Expect rain on 34% of days — a light raincoat in the bag is recommended.
September ranks 5 out of 12 months in Tallinn. Compared to August: −4°C daytime, −2.8h of sun per day.
This month's conditions
What it's like in September
UV index
3 · moderate
protect during midday hours
Feels like
dry air
10°
Sea
18°C
cold, for the brave
Daylight
12.5h of daylight
Air quality
good
AQI 24
Compare
Is September the right month?
The best month in Tallinn is July (8.0/10), 3.7 pts higher than September.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Tallinn
Expedia →
Activities
Tours, tickets, experiences
See ↓
Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Tallinn
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach holiday.
Country · Estonia
🗣️LanguageEstonien
💶CurrencyEuro (€)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘModerate · 3/5
🌡️ Climate
🌍Climate typeTemperate oceanic
📈Climate trend ⓘStable
🔥Hottest monthJuly · 21°C
❄️Coolest monthJanuary · 1°C
🌧️Rainiest month ⓘOctober · 42%
🏖️ Beach holiday
📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
🛂VisaSchengen · 90 days
Explore
Other destinations in September
If September doesn't convince you for this destination, compare with others.
Location
Where is Tallinn ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
EstoniaTemperate oceanic climate with a 8.0 → 0.6 gap between best and worst month. 10 years of ERA5 data to choose by project.
59.44°N · 24.75°E
Questions
Frequently asked questions
What is the best time to visit Tallinn?
July is the best month with 21.0°C highs, 14.0°C lows, 10.1h of sunshine and 29.0% rainy days. The months of July & June offer comparable conditions.
How many hours of sunshine does Tallinn get in July?
Tallinn averages 10.1 sunshine hours per day in July. It is the sunniest month with a climate score of 7.5/10.
What is the rainiest month in Tallinn?
December is the most unfavourable month with December has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Tallinn in July?
In July, overnight lows reach 14.0°C, while afternoon highs average 21.0°C.
Is Tallinn good in winter?
In winter (December-February), Tallinn scores 0.7/10 on average — Difficult period — prefer the peak season.. The best month overall remains July with a score of 7.5/10.
When should you avoid Tallinn?
December is the most difficult month to visit Tallinn, with December has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Tallinn in September?
In September, the sea averages 18°C in Tallinn: cold, for the brave. Best left to hardened swimmers or those with a wetsuit.
Do you need sun protection in Tallinn in September?
The average UV index reaches 3 in September in Tallinn (moderate), with about 12.5h of daylight. Protect during midday hours.