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What is the weather like in the fjords in September?

Normal temperature and rainfall in September, and how the coast differs from the inner fjords.

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Short answer

September in the fjords is still mild, but the coast turns wet, and Bergen normally gets more than twice as much rain as in May. The 1991–2020 normal for Bergen is 12.6 °C and 248 mm. The inner fjords stay much drier: Lærdal's September normal is 10.9 °C and 55 mm.

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Why

  1. Yr's normals for Bergen (Florida) give September a mean of 12.6 °C and 248 mm of precipitation, against 109 mm in May.
  2. At the Lærdal IV station in the inner fjord area, the September normal is 10.9 °C and only 55 mm.
  3. In Bergen the rain keeps increasing into the autumn, with normals of 268 mm in October, 275 mm in November and 290 mm in December.

Details

Single years can be far from the normal: Bergen measured 371.3 mm in September 2026 but 206.6 mm in September 2025. For a September trip, the inner fjords give a better chance of dry days, while plans on the coast around Bergen should allow for rain. Temperatures fall quickly after September: the October normal is 8.6 °C in Bergen and 5.9 °C in Lærdal.

Tip

Keep the days flexible and use the Yr forecast to pick the driest day for hikes or fjord cruises, and pack waterproof trousers as well as a jacket.

What may differ

The coast and the inner fjords can have very different weather on the same day: Bergen's September rainfall normal is about four and a half times Lærdal's.

People also ask

  • Is September a good time to visit the Norwegian fjords?

Sources

Information checked on 15 October 2026.

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