Yellowknife September Weather Averages Northwest Territories, Canada

September Weather Averages for Yellowknife

High Temp	12°C	53°F
Low Temp	6°C	42°F
Avg Temp	9°C	47°F
Sunshine Hours	151 hours
Rainfall	29.88 mm	1.18 In
Rain days	4 days
Pressure	1010 mb	30 In

Yellowknife September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	8°C / 46°F	3°C / 38°F	5°C / 42°F	59 hours	119.27 mm / 4.70 In	8 days	1014 mb / 30 In
2009	13°C / 55°F	7°C / 45°F	10°C / 50°F	117 hours	53.24 mm / 2.10 In	8 days	1009 mb / 30 In
2010	10°C / 50°F	4°C / 39°F	7°C / 44°F	83 hours	33.47 mm / 1.32 In	5 days	1013 mb / 30 In
2011	12°C / 54°F	6°C / 43°F	9°C / 49°F	178 hours	22.20 mm / 0.87 In	6 days	1007 mb / 30 In
2012	13°C / 56°F	7°C / 45°F	10°C / 51°F	228 hours	51.43 mm / 2.02 In	3 days	1009 mb / 30 In
2013	13°C / 56°F	7°C / 44°F	10°C / 50°F	182 hours	19.00 mm / 0.75 In	1 days	1007 mb / 30 In
2014	10°C / 50°F	4°C / 39°F	7°C / 44°F	184 hours	31.60 mm / 1.24 In	5 days	1012 mb / 30 In
2015	10°C / 50°F	5°C / 41°F	8°C / 46°F	110 hours	29.61 mm / 1.17 In	3 days	1009 mb / 30 In
2016	10°C / 50°F	5°C / 41°F	8°C / 46°F	166 hours	46.70 mm / 1.84 In	5 days	1010 mb / 30 In
2017	14°C / 57°F	8°C / 46°F	11°C / 51°F	208 hours	15.90 mm / 0.63 In	1 days	1011 mb / 30 In
2018	6°C / 43°F	1°C / 33°F	3°C / 38°F	120 hours	12.52 mm / 0.49 In	4 days	1018 mb / 31 In
2019	10°C / 51°F	5°C / 41°F	8°C / 46°F	121 hours	39.99 mm / 1.57 In	4 days	1012 mb / 30 In
2020	10°C / 50°F	4°C / 40°F	7°C / 45°F	141 hours	36.68 mm / 1.44 In	4 days	1012 mb / 30 In
2021	12°C / 53°F	6°C / 43°F	9°C / 48°F	91 hours	32.08 mm / 1.26 In	5 days	1009 mb / 30 In
2022	13°C / 56°F	7°C / 44°F	10°C / 50°F	181 hours	8.20 mm / 0.32 In	0 days	1009 mb / 30 In
2023	15°C / 59°F	8°C / 46°F	11°C / 52°F	174 hours	17.45 mm / 0.69 In	1 days	1007 mb / 30 In
2024	13°C / 56°F	7°C / 45°F	10°C / 50°F	136 hours	27.96 mm / 1.10 In	3 days	1007 mb / 30 In

Northwest Territories

Hotels Near Yellowknife

Cities Near Yellowknife

Quick and Easy Signup for Weather API

WeatherAPI.com makes it super easy to integrate our realtime, daily, hourly and 15 min interval weather forecast data, historical weather, marine weather, bulk request, air quality data, autocomplete, time zone, astronomy and sports data into your new or existing project.

Get Started