Tallinn weather in September
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Tallinn September weather at a glance
In September, Tallinn averages 14.9°C, with typical highs of 18.6°C and lows of 11.8°C. The historical average is 13 wet days and 81% humidity.
Tallinn September temperature & humidity
Tallinn September rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Tallinn in September
T-shirts or long sleeves with one light outer layer should be comfortable. Showers are possible, so a compact umbrella is useful.
- DaytimeLong sleeves and a light jacket · average high 18.6°C
- Morning & eveningLong sleeves with a jacket or cardigan · average low 11.8°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Tallinn September sunrise & sunset times
2026 September · Local time (Europe/Tallinn)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-09-01 | 06:17 | 20:23 | 14h 6m |
| 2026-09-15 | 06:49 | 19:42 | 12h 53m |
| 2026-09-30 | 07:23 | 18:57 | 11h 34m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
Tallinn travel updates
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Today’s weather and forecast
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Forecast · Windy. Monthly averages are in the Temperature section.
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Best months to visit Tallinn
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
September weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Tallinn weather like in September?
In September, Tallinn averages 14.9°C, with typical highs of 18.6°C and lows of 11.8°C. The historical average is 13 wet days and 81% humidity. Our weather-comfort rating for this month is fair.
Does it rain a lot in Tallinn in September?
There are about 13 wet days in September. A compact umbrella is still useful.
What should I wear in Tallinn in September?
T-shirts or long sleeves with one light outer layer should be comfortable. Showers are possible, so a compact umbrella is useful.
What are the best months to visit Tallinn?
Recent weather data rates May among the more comfortable months.
Where can I check Tallinn weather in September in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Tallinn in September?
On 2026-09-15, calculated sunrise is 06:49 and sunset is 19:42 in local time (Europe/Tallinn). Times vary by date and terrain.
Tallinn weather by month
More Europe destinations in September
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations