30YearWeather
Montreal, October 9
Montreal street view during October
Historical Weather Analysis

Montreal Weather on October 9 — Best Time to Visit?

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

cloudy

15.1°C

High

7.5°C

Low

28%

Rain

🌤️ Feels like 15.1°C

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

October 9 is generally a great time to visit Montreal. While there is a slight chance of rain (28%), showers are usually brief. Expect comfortable 15°C weather. Montreal is currently in its most popular travel window, meaning vibrant crowds and premium pricing.

Currency

CAD

$ Canadian dollar

Language

English

+1 more

Driving

Right side

Connect

Montreal has four area codes: the long-s...

Safety

Very High Safety

GPI: 1.389

Montreal Weather Forecast for October 9

"Mild & Comfortable. Expect average highs of 15.1°C. 28% chance of rain."

What to Wear in Montreal in October

Based on historical data for October 9, Montreal typically experiences temperatures between 7.5°C and 15.1°C. We recommend packing light jacket, long pants to stay comfortable. With a 28% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Montreal

View Guide

Smart Suitcase

  • Light Jacket
  • Long Pants

Average High

extreme-hot

15.1°C

Daytime Peak

Average Low

extreme-cold

7.5°C

Nighttime Low

Feels Like

partly-cloudy-day

15.1°C

🌤️ Feels accurate

Rain Chance

rain

28%

Avg 1.9mm if it rains

Cloud Cover

cloudy

60%

Overcast

Pressure

pressure

1017.3 hPa

Medium volatility

Montreal Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

76%Reliable

Based on 10 years of data

Temperature
±4.2°CVariable
Precipitation
14-42%Predictable

This date historically delivers consistent weather 76% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

1.2Low
036811+

Protection Needed

SPF 15 for extended outdoor time

Time to Sunburn

Type I-II

🔴 67 min to burn

Type III-IV

🟡 101 min to burn

Type V-VI

🟢 168 min to burn

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

Outdoor Comfort

How pleasant is it outside?

72Good
TemperatureMild
HumidityMuggy
WindBreezy

Dew Point

10.5°C

Pleasant

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

83/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~283

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Montreal

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

06:03

☀️ Noon

11:42

🌇 Sunset

17:21

⏱️ Daylight

11h 18m

Golden Hour
Morning06:03 - 06:43
16:41 - 17:21Evening

Wind Speed

wind

18.2 km/h

Gentle breeze

Sunshine

clear-day

7.2 hrs

Direct Sun (Cloud-free)

Humidity

humidity

74%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Montreal

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 Montreal

Travel Comfort Index

Real-time tourism conditions

Weather Quality

⛅ Good

78/100

Tourist Crowds

🟡 Busy

70/100

Price Level

💰💰 Moderate

75/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1017.3 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
78AQI
Moderate
PM2.5 Concentration25 µg/m³

Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):3
In Oct (30y):1
Last in Oct:1999-10-31
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Montreal on October 9 averages 15.1°C with a 28% precipitation probability. Wedding/Outdoor Event Score: 81/100."

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

Montreal Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2018
25.4°C
Coldest
2022
2.7°C
Rainiest
2017
34.0mm

Better Alternatives Nearby

Consider these dates within ±7 days

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

Compare Other Cities

Same date (October 9) in other destinations

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📍 Is Montreal Worth Visiting on October 9?

Planning a trip to Montreal on October 9? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 15.1°C with a 28% historical precipitation risk.

✈️ Travel Logistics: Approximately 283 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 October 9 recorded in the last 30 years saw temperatures hit 25.4°C in 2018, while the coldest dropped to 2.7°C in 2022.

Montreal Weather FAQ