30YearWeather
Banff, September 27
Banff street view during September
Historical Weather Analysis

Banff Weather on September 27 — Best Time to Visit?

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

partly-cloudy-day

13.8°C

High

2.5°C

Low

18%

Rain

🌤️ Feels like 13.5°C

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

September 27 is generally a great time to visit Banff. While there is a slight chance of rain (18%), showers are usually brief. Expect comfortable 14°C weather. Expect a bustling atmosphere in Banff right now—this is when the city truly comes alive with visitors.

Currency

CAD

$ Canadian dollar

Language

English

+1 more

Driving

Right side

Connect

All phone numbers must be preceded by a ...

Safety

Very High Safety

GPI: 1.389

Banff Weather Forecast for September 27

"Mild & Comfortable. Expect average highs of 13.8°C. 18% chance of snow."

What to Wear in Banff in September

Based on historical data for September 27, Banff typically experiences temperatures between 2.5°C and 13.8°C. We recommend packing heavy coat, scarf, gloves to stay comfortable. Trends suggest it will stay mostly dry (18% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Banff

View Guide

Smart Suitcase

  • Heavy Coat
  • Scarf
  • Gloves

Average High

extreme-hot

13.8°C

Daytime Peak

Average Low

extreme-cold

2.5°C

Nighttime Low

Feels Like

partly-cloudy-day

13.5°C

🌤️ Feels accurate

Snow Chance

snow

18%

Avg 0.8mm if it snows

Snowfall

snow

0.5 cm

~18% chance

Pressure

pressure

1014 hPa

Medium volatility

Banff Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

55%Moderately Predictable

Based on 10 years of data

Temperature
±5.3°CVariable
Precipitation
9-50%Unpredictable

~ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.

Sun Exposure

UV Index & Safety Guide

2.6Low
036811+

Protection Needed

SPF 15 for extended outdoor time

Time to Sunburn

Type I-II

🔴 31 min to burn

Type III-IV

🟡 47 min to burn

Type V-VI

🟢 78 min to burn

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

Outdoor Comfort

How pleasant is it outside?

72Good
TemperatureCool
HumidityMuggy
WindLight Breeze

Dew Point

8.8°C

Dry air

Heat Stress

Low

No heat warning

🙂 Best outdoor time:
Any time during daylight hours

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Canada

Flight Traffic

High

89/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~261

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Banff

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

06:37

☀️ Noon

12:34

🌇 Sunset

18:31

⏱️ Daylight

11h 53m

Golden Hour
Morning06:37 - 07:21
17:47 - 18:31Evening

Wind Speed

wind

11 km/h

Light breeze

Sunshine

clear-day

9.4 hrs

Direct Sun (Cloud-free)

Humidity

humidity

72%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Banff

Smart Flight Estimator

Airport-to-Airport Logistics

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Add your home location in settings to see airport details.

Travel Health & Safety in Banff

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

86/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

90/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1014 hPa
Volatility:Medium
Migraine RiskMedium

Moderate fluctuations. Some sensitivity possible.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
35AQI
Good
PM2.5 Concentration5.2 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):1
In Sep (30y):0
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Banff on September 27 averages 13.8°C with a 18% precipitation probability. Wedding/Outdoor Event Score: 83/100."

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

Banff Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2022
21.6°C
Coldest
2019
-8.3°C
Rainiest
2021
6.8mm

Better Alternatives Nearby

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

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📍 Is Banff Worth Visiting on September 27?

Planning a trip to Banff on September 27? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 13.8°C with a 18% historical precipitation risk.

✈️ Travel Logistics: Approximately 261 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 27 recorded in the last 30 years saw temperatures hit 21.6°C in 2022, while the coldest dropped to -8.3°C in 2019.

Banff Weather FAQ