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When to go · Sisimiut

Sisimiut in September

Good month. Outside the best window (Jun–Aug (mid‑summer, milder temps, daylight > 20 h)). Across Greenland: Autumn colour on the tundra, northern lights and the last boat trips.

Key facts

Verdict
Good
Temperature
9°C (48°F) / 2°C (36°F)
average high / low
Rain days
5
Crowds
Medium
Greenland overall
Prices
Medium
Greenland overall

Verdict

GoodGreenland month rating

Outside the best window (Jun–Aug (mid‑summer, milder temps, daylight > 20 h)). Across Greenland: Autumn colour on the tundra, northern lights and the last boat trips.

Is another month better than September?

September is rated good. These months rate higher:

Weather in September

Long-term averages
  • SisimiutHighs around 9 °C (48 °F), lows around 2 °C (36 °F), rain on about 5 days
  • Kangerlussuaq and the inland, Greenland · Kangerlussuaq, Sisimiut hinterlandfine

    Dry continental climate: −30 °C (−22 °F) in winter, clear skies for northern lights, 15–20 °C (59–68 °F) on summer days; mosquitoes in July.

Crowds and prices

Crowds · Greenland overall
Medium
Prices · Greenland overall
Medium

Greenland overall: Autumn colour on the tundra, northern lights and the last boat trips.

Compare two months

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

  • Verdict

    Sep: Good

    Jun: Great (better)

  • Daytime high

    Sep: 9 °C (48 °F)

    Jun: 12 °C (54 °F)

  • Night low

    Sep: 2 °C (36 °F)

    Jun: 3 °C (37 °F)

  • Rain days

    Sep: 5

    Jun: 5

  • Crowds

    Sep: Medium

    Jun: Medium

  • Prices

    Sep: Medium

    Jun: High

  • Festivals listed

    Sep: 0

    Jun: 1

September: Outside the best window (Jun–Aug (mid‑summer, milder temps, daylight > 20 h)). Across Greenland: Autumn colour on the tundra, northern lights and the last boat trips.

June: Inside Sisimiut's best window: Jun–Aug (mid‑summer, milder temps, daylight > 20 h).

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

What to pack

  • A warm coat, hat and gloves for mornings and evenings

Build the full packing list for your trip →

Across Greenland in September →