Tallinn · Month comparison

September vs May

May ranks #1 overall vs September at #3. Sweet spot of the year: 17 hours of daylight, lilacs in Kadriorg, hotels still under EUR 150, no cruise volume yet.

September Kadriorg Park with first autumn yellows on chestnut trees

September

#3 of 12 months

Best match

Cruise season tapers, hotels drop 35%, and the Kadriorg autumn foliage gets going by month-end.

  • ↑Tallinn Restaurant Week (mid-September) — EUR 25-35 set menus at top kitchens
  • ↑Hotels revert to May rates from week 2
May lilac blooms framing Tallinn Old Town walls in late spring sunshine

May

#1 of 12 months

Best match

Sweet spot of the year: 17 hours of daylight, lilacs in Kadriorg, hotels still under EUR 150, no cruise volume yet.

  • ↑Kadriorg lilacs and chestnuts bloom mid-month
  • ↑Sunset at 22:10 enables walking-tour evenings
FactorSeptemberMay
Weather score
7
8
Value score
7
7
Crowd score
6
6
Events score
6
7
Atmosphere
9
9
Avg high temp16°C15°C
Monthly rain65mm35mm
Daily sunshine5hrs8hrs

September trade-offs

  • ↓Increasing rain and grey afternoons
  • ↓First half still busy with last cruise ships
  • ↓Baltic too cold for swimming again (15C)

May trade-offs

  • ↓Baltic still cold for swimming (10C)
  • ↓Pre-summer thunder showers can be heavy
  • ↓Last week sees first cruise ship arrivals — 2,000 day-trippers
See all 12 months for Tallinn →September in detail →May in detail →
Scores compare months within Tallinn. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →