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When to go · Trollhättan

Trollhättan in September

Good month. Outside the best window (Jun–Aug (boat traffic, waterfall releases, warm weather)). Across Sweden: Autumn colour in Lapland and the first auroras; west-coast lobster season opens late in the month.

Key facts

Verdict
Good
Temperature
17°C (63°F) / 9°C (48°F)
average high / low
Rain days
8
Crowds
Medium
Sweden overall
Prices
Medium
Sweden overall

Verdict

GoodSweden month rating

Outside the best window (Jun–Aug (boat traffic, waterfall releases, warm weather)). Across Sweden: Autumn colour in Lapland and the first auroras; west-coast lobster season opens late in the month.

Is another month better than September?

September is rated good. These months rate higher:

Weather in September

Long-term averages
  • TrollhättanHighs around 17 °C (63 °F), lows around 9 °C (48 °F), rain on about 8 days

Crowds and prices

Crowds · Sweden overall
Medium
Prices · Sweden overall
Medium

Sweden overall: Autumn colour in Lapland and the first auroras; west-coast lobster season opens late in the month.

Compare two months

Weather, crowds and prices for any two months in Trollhättan, side by side.

  • Verdict

    Sep: Good

    Jun: Great (better)

  • Daytime high

    Sep: 17 °C (63 °F)

    Jun: 20 °C (68 °F)

  • Night low

    Sep: 9 °C (48 °F)

    Jun: 11 °C (52 °F)

  • Rain days

    Sep: 8 (better)

    Jun: 10

  • Crowds

    Sep: Medium

    Jun: High

  • Prices

    Sep: Medium

    Jun: High

  • Festivals listed

    Sep: 0

    Jun: 1

September: Outside the best window (Jun–Aug (boat traffic, waterfall releases, warm weather)). Across Sweden: Autumn colour in Lapland and the first auroras; west-coast lobster season opens late in the month.

June: Inside Trollhättan's best window: Jun–Aug (boat traffic, waterfall releases, warm weather).

Trollhättan: figures are long-term averages from this guide, not a forecast.

What to pack

  • A warm layer for the evenings

Build the full packing list for your trip →

Across Sweden in September →