30YearWeather
Yellowknife, September 26
Yellowknife street view during September
Historical Weather Analysis

Yellowknife Weather on September 26 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

cloudy

9.2°C

High

4.3°C

Low

23%

Rain

❄️ Feels like 6.3°C (wind chill)

partly-cloudy-day
YES, GOOD CHOICE

September 26 is generally a great time to visit Yellowknife. While there is a slight chance of rain (23%), showers are usually brief. Expect comfortable 9°C weather. You'll find plenty of company in Yellowknife this month as tourism activity remains quite robust.

Currency

CAD

$ Canadian dollar

Language

English

+1 more

Driving

Right side

Safety

Very High Safety

GPI: 1.389

Yellowknife Weather Forecast for September 26

"Mild & Comfortable. Expect average highs of 9.2°C. 23% chance of snow."

What to Wear in Yellowknife in September

Based on historical data for September 26, Yellowknife typically experiences temperatures between 4.3°C and 9.2°C. We recommend packing heavy coat, scarf, gloves to stay comfortable. Trends suggest it will stay mostly dry (23% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Yellowknife

View Guide

Smart Suitcase

  • Heavy Coat
  • Scarf
  • Gloves

Average High

extreme-hot

9.2°C

Daytime Peak

Average Low

extreme-cold

4.3°C

Nighttime Low

Feels Like

partly-cloudy-day

6.3°C

❄️ Slightly colder

Snow Chance

snow

23%

Avg 1mm if it snows

Snowfall

snow

0.2 cm

~23% chance

Pressure

pressure

1007.8 hPa

High volatility

Yellowknife Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

90%Highly Predictable

Based on 10 years of data

Temperature
±3.5°CModerate
Precipitation
12-40%Moderate

🎯 This date historically delivers consistent weather 90% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

1.4Low
036811+

Protection Needed

SPF 15 for extended outdoor time

Time to Sunburn

Type I-II

🔴 57 min to burn

Type III-IV

🟡 86 min to burn

Type V-VI

🟢 143 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

49Poor
TemperatureCool
HumidityMuggy
WindBreezy

Dew Point

5.9°C

Dry air

Heat Stress

Low

No heat warning

😕 Best outdoor time:
Midday (11 AM - 3 PM) when warmest

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Canada

Flight Traffic

Busy

68/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~15

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Yellowknife

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

07:32

☀️ Noon

13:30

🌇 Sunset

19:27

⏱️ Daylight

11h 54m

Golden Hour
Morning07:32 - 08:32
18:27 - 19:27Evening

Wind Speed

wind

20.8 km/h

Moderate wind

Sunshine

clear-day

5.8 hrs

Direct Sun (Cloud-free)

Humidity

humidity

80%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Yellowknife

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in Yellowknife

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

82/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

90/100

Health & Wellbeing

Meteo-Health Forecast

40Score
Atmospheric Pressure1007.8 hPa
Volatility:High
Migraine RiskHigh

Rapid pressure changes detected. High risk for meteosensitive people.

Joint Pain RiskHigh

Low pressure & humidity may aggravate joints.

Fishing IndexExcellent

Fish are active due to pressure changes.

Air Quality Forecast
33AQI
Good
PM2.5 Concentration0.4 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Stable

Seismic Activity

Zero seismic activity detected in 30 years.

Total events (30y):0
💡 No earthquake preparedness needed. Enjoy your stay!
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Yellowknife on September 26 averages 9.2°C with a 23% precipitation probability. Wedding/Outdoor Event Score: 63/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Yellowknife Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2025
12.3°C
Coldest
2018
-3.5°C
Rainiest
2016
4.3mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

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📍 Is Yellowknife Worth Visiting on September 26?

Planning a trip to Yellowknife on September 26? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 9.2°C with a 23% historical precipitation risk.

✈️ Travel Logistics: Approximately 15 landing slots available daily during this period, indicating manageable crowd levels.

💉 Health Advisory: 6 vaccinations are recommended for Canada, including COVID-19.

📊 Historical Extremes: The hottest September 26 recorded in the last 30 years saw temperatures hit 12.3°C in 2025, while the coldest dropped to -3.5°C in 2018.

Yellowknife Weather FAQ