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Stockholm overview

September · typical climate, not a forecast

Stockholm in September

Sweden

17°CCool
70/100

Solid escape

17°C day · 12°C night · 34% rain · 13h daylight · moderate crowds · €1,085 estimated

Live · Stockholm

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Live · Tallinn (you)

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Cool Score breakdown

Scored for 5 nights from Tallinn in September.

  • Temperature fit97

    17°C typical high vs your 12–20°C window

    w 26
  • Heat escape0

    0.7°C warmer than Tallinn

    w 14
  • Rain probability86

    34% chance of rain on an average day

    w 11
  • Daylight hours61

    12.5h of daylight mid-month

    w 8
  • Outdoor conditions89

    Comfortable for a full day outside at 17°C

    w 10
  • Crowding52

    Moderate crowds for this month

    w 8
  • Flight + stay cost77

    ≈€1085 estimated for 5 nights vs €1000 budget

    w 12
  • Nature access70

    7/10 — wild ground within reach

    w 6
  • City atmosphere90

    9/10 urban texture · 9/10 food scene

    w 4

Why Stockholm in September

You are never more than 200m from something swimmable and cold.

  • Archipelago ferries
  • Kayaking downtown
  • Fika marathons

What September in Stockholm is actually like

In September, Stockholm sits around 17°C by day and drops to about 12°C after dark, so a light layer earns its place in the bag even in high summer. That is roughly 1°C warmer than Tallinn at the same time of year — the difference between planning your day around the shade and simply walking out of the door.

Expect rain on roughly 34% of days, usually passing rather than persistent, and about 13 hours of daylight to spend outside. Crowds are moderate crowds this month, and a 5-night trip from Tallinn works out at around €1,085 including flights, a mid-range stay and everyday spending.

You are never more than 200m from something swimmable and cold. Days here tend to fill up with archipelago ferries, kayaking downtown, fika marathons — which is why Stockholm scores 70 out of 100 for september: solid escape.

Other months

Compare the typical climate month by month.