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North Slave Region (Yellowknife)
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Canada weather

Weather in North Slave Region for September 2025

Your guide to North Slave Region weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in North Slave Region has been nearly identical to the historical average, with a temperature of 16.3 °C (showing only a slight deviation of -0.1 °C).

  • Expect cooler weather in the next days in North Slave Region with the forecast suggesting a temperature of 12.6 °C, lower than the historical average.

  • In general, the average temperature in North Slave Region at the beginning of September is 15.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 8.4 °C by the end of September.

    • Rain 🌧️

  • With an average of 2 rainy days, North Slave Region experiences minimal rainfall in September.

    • More

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Average dry days
28
Dry days
Average rainy days
2
Rainy days
Average snowy days
0
Snow days
Average temperatures
16°/5°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
66 %
Avg humidity

North Slave Region Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain possible
18°
2
Patchy rain possible
16°
3
Overcast
13°
4
Overcast
12°
5
Overcast
14°
6
Partly cloudy
18°
7
Cloudy
17°
8
Overcast
16°
9
Cloudy
17°
10
Sunny
15°
11
Sunny
18°
12
Overcast
19°
13
Overcast
19°
14
Patchy rain possible
17°
15
Partly cloudy
16°
16
Sunny
14°
17
Sunny
20°
18
Sunny
18°
19
Sunny
15°
20
Partly cloudy
16°
21
Partly cloudy
17°
22
Patchy rain possible
11°
23
Patchy rain possible
12°
24
Patchy rain possible
8°
25
Cloudy
10°
26
Sunny
11°
27
Sunny
9°
28
Partly cloudy
8°
29
Patchy rain possible
7°
30
Overcast
6°

Temperatures trend during September in North Slave Region

See the weather trend as well as the moving average line

September weather in North Slave Region day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
 18° /8° 1 mm 5
2 Sept. Patchy rain possible
Patchy rain possible
 16° /8° 1.2 mm 4
3 Sept. Overcast
Overcast
 13° /6° 0.1 mm 3
4 Sept. Overcast
Overcast
 12° /5° 0 mm 3
5 Sept. Overcast
Overcast
 14° /4° 0 mm 4
6 Sept. Partly cloudy
Partly cloudy
 18° /8° 0 mm 5
7 Sept. Cloudy
Cloudy
 17° /8° 0 mm 4
8 Sept. Overcast
Overcast
 16° /8° 0 mm 4
9 Sept. Cloudy
Cloudy
 17° /8° 4.1 mm 4
10 Sept. Sunny
Sunny
 15° /8° 1.8 mm 4
11 Sept. Sunny
Sunny
 18° /8° 0 mm 5
12 Sept. Overcast
Overcast
 19° /11° 0.1 mm 5
13 Sept. Overcast
Overcast
 19° /10° 0 mm 5
14 Sept. Patchy rain possible
Patchy rain possible
 17° /10° 0.1 mm 4
15 Sept. Partly cloudy
Partly cloudy
 16° /8° 1.3 mm 4
16 Sept. Sunny
Sunny
 14° /8° 0 mm 0.5
17 Sept. Sunny
Sunny
 20° /9° 0 mm 0.6
18 Sept. Sunny
Sunny
 18° /13° 0 mm 0.5
19 Sept. Sunny
Sunny
 15° /9° 0 mm 0.4
20 Sept. Partly cloudy
Partly cloudy
 16° /10° 0 mm 0.4
21 Sept. Partly cloudy
Partly cloudy
 17° /11° 0 mm 0
22 Sept. Patchy rain possible
Patchy rain possible
 11° /8° 1.8 mm 2
23 Sept. Patchy rain possible
Patchy rain possible
 12° /7° 0.3 mm 2
24 Sept. Patchy rain possible
Patchy rain possible
 8° /4° 0.2 mm 2
25 Sept. Cloudy
Cloudy
 10° /5° 0 mm 2
26 Sept. Sunny
Sunny
 11° /3° 0 mm 3
27 Sept. Sunny
Sunny
 9° /2° 0 mm 3
28 Sept. Partly cloudy
Partly cloudy
 8° /3° 0 mm 3
29 Sept. Patchy rain possible
Patchy rain possible
 7° /3° 0.7 mm 2
30 Sept. Overcast
Overcast
 6° /0° 0.7 mm 2
Next
Important Notice
Our weather forecast for North Slave Region in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the North Slave Region forecast closer to your planned date for the most up-to-date weather information.
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North Slave Region in September - FAQ

What are the expected maximum and minimum temperatures in North Slave Region during September?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 5°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in North Slave Region during September?
In September, North Slave Region can expect light to moderate rainfall, totaling 45.5 mm across approximately 2 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in North Slave Region during September?
The average wind speed in North Slave Region during September is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in North Slave Region

Explore the daily rainfall trends and prepare for North Slave Regions September weather 💧
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Location coordinates Where is North Slave Region?

Get accurate weather forecasts for North Slave Region, located at latitude 62.454 and longitude -114.372. Stay updated with localized weather information tailored for North Slave Region.

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