Sønderborg, Denmark September 2026
20° daytime
14° at night
9 rainy days
374 € from
1 Best offers
Other months
Sep 2026 is the best time: 374 €, daytime 20 °C, rainy days 9.
Flight deals → Sønderborg, Denmark → September 2026
Sønderborg, Denmark September 2026
from374 € round-trip from Tallinn
September 2026
- 20° daytime
- 14° at night
- 9 rainy days
- 374 € from
- 1 Best offers
Niels Elgaard Larsen - (WT-en) Elgaard at English Wikivoyage, CC BY-SA 4.0 · Wikimedia Commons
What to know about this route
Right now this month has 1 different date options, the cheapest at 374 €. That is 45 € above the typical price on this route (329 €), so other months are worth a look. In September 2026 the daytime average is 20 °C with about 9 rainy days.
Of the twelve months we track, September 2026 ranks #7 by price. Neighbouring months: October 2026 278 €. The cheapest departure is 19 September, returning 25 September. There is no direct flight from Tallinn — every deal has one stop.
Prices are for round-trip tickets and update automatically.
Frequently asked questions
How much does a flight from Tallinn to Sønderborg, Denmark cost in September 2026?
From 374 €, with 1 offers in total. The cheapest month of the year is October 2026 (278 €).
Is there a direct flight from Tallinn to Sønderborg, Denmark?
There is no direct flight in the current offers — all options have a stopover.
What is the weather like in Sønderborg, Denmark?
At the best time (September 2026) the average daytime temperature is 20 °C with 9 rainy days. The warmest month is September 2026 at 20 °C.
What is included in the price shown?
The price shown is the full round-trip fare with the selected baggage. By default this is a small bag that fits under the seat; you can switch to a cabin bag or checked bag using the filter.