What is the weather like in Banff in September?

Expect temperatures between 4°C and 16°C with 21% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Banff in September?

Banff in September scores 64/100 based on 30 years of climate data. Good option with minor considerations.

Who should visit Banff in September?

September in Banff is ideal for: Families with children, Outdoor enthusiasts, Cultural tourists, Honeymoon couples, Business travelers.

Banff Weather in September | 30-Year Forecast

Avg High

16°C

Hottest around day 1

Avg Low

4°C

Coolest around day 30

Rainy Days

3days

21% avg rain chance

Sunshine

8hrs/day

Autumn season

Essential Travel Info for Banff

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

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

Travel Intelligence

Exclusive flight analytics & health data for Banff

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Moderate

59/ 100

Traffic Index

Balanced traffic

Peak Daily Arrivals

slots per day

Peak

May

Low

Nov

Monthly Traffic Distribution

198

Jan

192

Feb

195

Mar

194

Apr

293

May

232

Jun

282

Jul

266

Aug

261

Sep

222

Oct

178

Nov

219

Dec

Traffic Level

Low Season

Key Connections

Vancouver (YVR)

Toronto Pearson (YYZ)

Edmonton (YEG)

Kelowna (YLW)

Saskatoon Diefenbaker (YXE)

Health & Safety Advisory

CDC travel health recommendations

6 Recommendations

COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Hepatitis A

Consider hepatitis A vaccination for most travelers. It is recommended for travelers who will be doing higher risk activities, such as visiting smaller cities, villages, or rural areas where a traveler might get infected through food or water. It is recommended for travelers who plan on eating street food.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to Canada. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Canada.

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

Rabies

Dogs infected with rabies are not commonly found in Canada.Rabies is commonly found in some terrestrial wildlife species and bats.If rabies exposures occur while in Canada, rabies vaccines are typically available throughout most of the country.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

Yellow Fever

CDC recommendations:Vaccine isnotrecommended.Country entry requirements:Vaccine isnotrequired.Updated April 23, 2025

Source: CDC Travelers' Health

View Complete Health Guide

Is September a Good Time to Visit Banff?

👌Good option with minor considerations(64/100)

Short Answer

Popular September in Banff offers 16°C and 21% rain chance - excellent conditions that attract maximum visitors. Book 3-6 months ahead for best rates.

Decision Factors

Vaccinations required

Yellow Fever

Peak tourist season

89% of annual peak - expect crowds and high prices

Plenty of sunshine

9.8h of sunshine daily

Good For

👨‍👩‍👧‍👦
Families with children
Comfortable 16.2°C temperatures and low 21% rain risk
🥾
Outdoor enthusiasts
Ideal hiking conditions: 16.2°C, 21% rain chance
🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💑
Honeymoon couples
Wedding score 86/100 with romantic weather conditions
💼
Business travelers
Climate-controlled meetings unaffected by weather

Who Should Avoid

💰
Budget travelers
Peak season means premium prices everywhere

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Banff in September averages 16°C with 21% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Banff in September

What are the temperatures in Banff in September?

Daytime highs average 16°C, nights drop to 4°C. Temperatures remain fairly consistent.

How many rainy days in Banff in September?

Expect around 3 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Banff in September?

Layers are key. A medium-weight jacket and closed-toe shoes.

Is September peak season in Banff?

This is shoulder season—moderate prices and manageable crowds.

Banff Weather in September

Banff September Weather Calendar

Essential Travel Info for Banff

Travel Intelligence

Smart Flight Estimator

Flight Connectivity Analysis

Monthly Traffic Distribution

Key Connections

Health & Safety Advisory

COVID-19

Hepatitis A

Hepatitis B

Measles

Rabies

Yellow Fever

Is September a Good Time to Visit Banff?

Decision Factors

Good For

Who Should Avoid

Related Guides

Frequently Asked Questions: Banff in September

What are the temperatures in Banff in September?

How many rainy days in Banff in September?

What to wear in Banff in September?

Is September peak season in Banff?