Temperature in The Northwest Territories in September

Daytime highs, nighttime lows and the warmest cities in the Northwest Territories, Canada this September.

The Northwest Territories, Canada, a region in Canada, experiences maximum daytime temperatures in September ranging from 9°C (48°F) in Inuvik to 15°C (59°F) in Fort Simpson. Nighttime temperatures generally drop to 4°C (39°F) in Fort Simpson and 2°C (36°F) in Inuvik.

What is the temperature of the different cities in the Northwest Territories, Canada in September?

Find the average daytime temperatures in September for the most popular destinations in the Northwest Territories on the map below. Click on a destination dot for more detailed information.

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Check the conditions for any month of the year.

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

See also: the Northwest Territories weather by month.

Best Places to Visit in the Northwest Territories in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across the Northwest Territories.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in September: blue is cold, red is hot.

See all September weather averages, cities and regions in the Northwest Territories

The Northwest Territories temperatures in September: frequently asked questions

How hot does it get in the Northwest Territories, Canada in September?

Inuvik averages a daytime high of 9°C (48°F) in September, which is low for the Northwest Territories, Canada.

How cold does it get at night in the Northwest Territories, Canada in September?

Average overnight lows in the Northwest Territories, Canada during September sit near 2°C (36°F) in Inuvik.

What is the warmest city in September in the Northwest Territories, Canada?

From a thorough analysis of our records, Fort Simpson clearly dominates in terms of high temperatures. The city witnesses daytime temperatures hovering around 15°C (59°F), and evenings that remain near 4°C (39°F).

What is the coldest city in September in the Northwest Territories, Canada?

For the month of September, Inuvik is the most temperate city in the Northwest Territories, Canada based on our records. Highs average 9°C (48°F) and nighttime temperatures dip to around 2°C (36°F).

How much sun does the Northwest Territories, Canada get in September?

Most areas experience a moderate amount of sunshine, with approximately 107 hours of sunlight expected in Inuvik. This makes it neither too gloomy nor overly bright.

Interested in more climate information?

We have much more information about the climate in the Northwest Territories.

Weather and climate has detailed information for every country in the world. Are you going to Canada? Get detailed historical weather averages for many cities in Canada.

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