Estonia (Tallinn) · September
Best travel monthTravel seasonEstonia · Europe
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ø day, range from coolest to warmest dayØ dayrange | -1° (30°)-11– (12–)5 (41) | -1° (30°)-9– (16–)6 (43) | 3° (37°)-4– (25–)11 (52) | 9° (48°)2– (36–)18 (64) | 16° (61°)7– (45–)26 (79) | 20° (68°)13– (55–)27 (81) | 22° (72°)16– (61–)29 (84) | 21° (70°)15– (59–)28 (82) | 17° (63°)10– (50–)23 (73) | 10° (50°)3– (37–)16 (61) | 5° (41°)-3– (27–)11 (52) | 2° (36°)-5– (23–)6 (43) |
Ø night, range from coldest to warmest nightØ nightrange | -5° (23°)-18– (0–)2 (36) | -6° (21°)-17– (1–)1 (34) | -3° (27°)-13– (9–)3 (37) | 1° (34°)-4– (25–)6 (43) | 6° (43°)-1– (30–)13 (55) | 11° (52°)5– (41–)17 (63) | 14° (57°)9– (48–)18 (64) | 13° (55°)7– (45–)17 (63) | 10° (50°)2– (36–)14 (57) | 5° (41°)-3– (27–)11 (52) | 1° (34°)-7– (19–)7 (45) | -2° (28°)-11– (12–)4 (39) |
☀️Sunshine | 1h UV 1 | 3h UV 2 | 5h UV 4 | 8h UV 6 | 10h UV 7 | 10h UV 7 | 8h UV 7 | 7h UV 6 | 5h UV 4 | 3h UV 2 | 1h UV 1 | 1h UV 0 |
🌊Water Temp | 2° (36°) | 1° (34°) | 1° (34°) | 3° (37°) | 8° (46°) | 13° (55°) | 18° (64°) | 19° (66°) | 16° (61°) | 12° (54°) | 8° (46°) | 4° (39°) |
🌧Rain Days | 8d63mm (2.5") | 7d63mm (2.5") | 6d74mm (2.9") | 4d27mm (1.1") | 4d26mm (1.0") | 6d49mm (1.9") | 6d56mm (2.2") | 8d76mm (3.0") | 6d48mm (1.9") | 9d62mm (2.4") | 9d72mm (2.8") | 9d51mm (2.0") |
Best travel time current monthØ = average · small figures = range: coolest–warmest day / coldest–warmest nightClimate data 2005–2025 · Source: ERA5 + station data
Travel season — mid-range prices, good availability.
September is one of the best travel months for Estonia (Tallinn) — conditions are stable, temperatures reach 17°C (63°F), and outdoor activities are excellent.
Daytime highs average 17°C (63°F), cooling to 10°C (50°F) at night (daily average: 13°C (55°F)). Peaks reach around 23°C (73°F), the coldest nights around 2°C (36°F). With 5 sunshine hours per day and 6 rain days (48 mm (1.9 in)), this is one of the cloudier months. At 16°C (61°F), the water is still quite cool in September — a wetsuit may be useful.
Layer up — warm days and cool evenings alternate. Perfect timing for hikes and sightseeing.
A golden September at 16°C (61°F), then cooler and wetter: October has nine rainy days and the days shorten quickly. The Old Town is quieter, and trips into the forests of Lahemaa tempt with autumn colours and mushrooms.
Packing list for Estonia (Tallinn) in September
- Long-sleeved shirts and light trousers
- Light jacket
- Jumper or fleece
- Sunscreen
- Sunglasses
- Small umbrella (occasional showers possible)
- Travel first-aid kit
Frequently Asked Questions
- Is September a good time to visit Estonia (Tallinn)?
- Yes — September is one of the best months to visit Estonia (Tallinn) (Climate Score: 45/100). Pleasant temperatures (17°C (63°F)), good sunshine (5 h/day), and few rain days (6) make it one of the most recommended months.
- How warm is it in Estonia (Tallinn) in September?
- In September, Estonia (Tallinn) sees daily highs of 17°C (63°F). Nights cool to 10°C (50°F), with a daily average of 13°C (55°F). Peaks reach around 23°C (73°F), the coldest nights around 2°C (36°F).
- How much rain falls in Estonia (Tallinn) in September?
- In September, Estonia (Tallinn) receives an average of 48 mm (1.9 in) of rain over 6 rain days. An umbrella may occasionally be needed.
- How many sunshine hours does Estonia (Tallinn) get in September?
- Estonia (Tallinn) averages 5 sunshine hours per day in September — close to the annual average.
- How warm is the water in Estonia (Tallinn) in September?
- Water temperature in Estonia (Tallinn) in September averages 16°C (61°F) — still quite cool — a wetsuit may be useful.
