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What is the weather like in Sweden in September?

SMHI normals for September, the first autumn month.

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Short answer

In September the normal mean temperature is about 13 °C in Stockholm, 14 °C in Lund and 6 °C in Kiruna, according to SMHI. Precipitation totals 53 mm in Stockholm, 61 mm in Lund and 53 mm in Kiruna. Sunshine falls to a normal of 170 hours in Stockholm and 121 hours in Kiruna.

When to travel to Sweden: a month-by-month guide Illustration of a season wheel with snow, a birch leaf, sun and rain around a red Swedish cottage

Why

  1. SMHI's 1991–2020 normal mean temperature for September is 13.1 °C in Stockholm, 14.0 °C in Lund, 6.0 °C at Kiruna airport and 9.5 °C at Luleå airport.
  2. According to SMHI, the September precipitation normal is 53 mm in Stockholm, 61 in Lund, 53 in Kiruna and 80 in Gothenburg.
  3. SMHI's September sunshine normal is 170 hours in Stockholm, 160 in Lund and 121 in Kiruna, down from 234, 219 and 171 in August.

Details

September brings a sharp drop from August: Kiruna's normal falls by 5.1 degrees and Stockholm's by 4.6. Malmö and Lund (14.2 and 14.0 °C) are still about 8 degrees warmer than Kiruna. Visby has a normal of 13.0 °C and 188 hours of sunshine.

Tip

Temperatures fall quickly during the month, so pack a warm layer even for the south and a proper jacket for Kiruna, where the normal is only 6.0 °C.

What may differ

September 2025 was warmer than the normal: SMHI's table shows Kiruna at 9.5 °C (normal 6.0), Luleå at 12.1 °C (normal 9.5) and Stockholm at 15.2 °C (normal 13.1).

People also ask

  • What is the temperature in Sweden in September?
  • How warm is it in Sweden in September?

Sources

Information checked on 27 October 2026.

When to travel to Sweden: a month-by-month guide

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