Tasiilaq Weather in September

During September, Tasiilaq experiences low daytime temperatures of 6°C (43°F) and cooler nights around 1°C (34°F). Expect quite a bit of rainfall. Around 139 mm (5.5 in) is typical.

Rainfall in Tasiilaq in September

Typically around 11 days of rainfall are expected, averaging 139 mm (5.5 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Tasiilaq in September

September in Tasiilaq sees highs of 6°C (43°F) and lows of 1°C (34°F) overnight. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. At 1°C (34°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Tasiilaq in September

The city usually sees around 142 hours of sunlight, indicating a moderately sunny period.

Wind Speed in Tasiilaq in September

Average wind conditions reach 1 m/s (2 knots) in September. This creates generally peaceful weather with subtle air movement. Remember this is an average: some days are windless while others have noticeable or very gentle breezes.

Average water temperature in September

With water temperatures around 3°C (37°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.

If you're interested in exploring other destinations, our weather planner can help you discover additional travel options worldwide.

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• January
• February
• March
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• May
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• October
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For a detailed overview over the year and the best time to visit Greenland, check out our Tasiilaq's climate page.

Tasiilaq Temperature in September

Min Temperature 1°C (34°F)  

Max Temperature 6°C (43°F)  

Water Temperature 3°C (37°F) *  

Chance of Rain 38%  

Precipitation 139 mm (5.5 in)  

Rainy days 11 days  

Humidity 77% *  

Windspeed 1 m/s (2 knots) *  

Sunshine 142 hours *  

Percentage Sunshine *  

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Tasiilaq typically drop from around 8°C (46°F) at the start of September to approximately 5°C (41°F) by the end. Nights are cold, with lows typically ranging from 0°C (32°F) to 4°C (39°F).

Average temperatures in September

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Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

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Historical weather for Tasiilaq in September

Browse day-by-day weather records for Tasiilaq spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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‹ January February March April May June July August September October November December ›

Tasiilaq historical weather extremes in September

According to our 49 years of weather records for Tasiilaq, the following extremes were recorded between 1976 and 2025.

• The warmest day in September was on September 2, 1981, with a maximum of 15°C (59°F).
• The lowest daytime temperature in September was -3°C (27°F), recorded on September 29, 1990.
• The lowest overnight temperature recorded in September was -5°C (23°F) (September 30, 1990).
• The heaviest September precipitation occurred on September 8, 2002, when 66 mm (2.6 in) of precipitation fell.

What to Wear in Tasiilaq in September

Cold weather calls for smart layering in September. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes. Expect water temperatures of around 3°C (37°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Tasiilaq in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

4/10

Walking

4/10

Camping

3/10

Outdoor sports

4/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Greenland, check out our Tasiilaq's climate page.

More climate data for Tasiilaq

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Tasiilaq climate overview or explore weather in Greenland.