30YearWeather
Toronto, September 1
Toronto street view during September
Historical Weather Analysis

Toronto Weather on September 1 — Best Time to Visit?

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

clear-day

24.4°C

High

16.3°C

Low

14%

Rain

☀️ Feels like 25°C (humidity)

clear-day
YES, IT'S PARADISE
HolidayPeak Season

September 1 is statistically one of the best days of the year in Toronto. With minimal rain risk (14%) and pleasant highs of 24°C, it's ideal for outdoor adventures. Expect a bustling atmosphere in Toronto right now—this is when the city truly comes alive with visitors. Note: September 1 is Labour Day in Toronto, so expect special events, closures, and festive atmosphere.

Currency

CAD

$ Canadian dollar

Language

English

+1 more

Driving

Right side

Connect

Calling...

Safety

Very High Safety

GPI: 1.389

Toronto Weather Forecast for September 1

"Mild & Comfortable. Expect average highs of 24.4°C. 14% chance of rain."

What to Wear in Toronto in September

Based on historical data for September 1, Toronto typically experiences temperatures between 16.3°C and 24.4°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (14% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Toronto

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing

Average High

extreme-hot

24.4°C

Daytime Peak

Average Low

extreme-cold

16.3°C

Nighttime Low

Feels Like

partly-cloudy-day

25°C

☀️ Feels accurate

Rain Chance

rain

14%

Avg 0.6mm if it rains

Cloud Cover

cloudy

43%

Overcast

Pressure

pressure

1016.8 hPa

Medium volatility

Toronto Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

95%Highly Predictable

Based on 10 years of data

Temperature
±2.8°CModerate
Precipitation
7-21%Predictable

🎯 This date historically delivers consistent weather 95% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

3.1Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

05:00 - 10:00

Afternoon

16:00 - 18:00

Time to Sunburn

Type I-II

🔴 26 min to burn

Type III-IV

🟡 39 min to burn

Type V-VI

🟢 65 min to burn

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

Outdoor Comfort

How pleasant is it outside?

84Excellent
TemperatureWarm
HumidityMuggy
WindBreezy

Dew Point

18.8°C

Noticeable

Heat Stress

Low

No heat warning

😊 Best outdoor time:
Any time during daylight hours

Travel & Logistics Insights

Local Calendar

Holiday

Labour Day

Flight Traffic

High

100/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~1,494

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Toronto

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:42

☀️ Noon

12:19

🌇 Sunset

18:55

⏱️ Daylight

13h 13m

Golden Hour
Morning05:42 - 06:20
18:17 - 18:55Evening

Wind Speed

wind

16.2 km/h

Gentle breeze

Sunshine

clear-day

10.6 hrs

Direct Sun (Cloud-free)

Humidity

humidity

71%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Toronto

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 Toronto

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

89/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

90/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1016.8 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
26AQI
Good
PM2.5 Concentration6.1 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!
Moderate

Atlantic Hurricane Risk

Season: Jun - Nov

"According to 30YearWeather's analysis of 30 years of NASA satellite data, Toronto on September 1 averages 24.4°C with a 14% precipitation probability. Wedding/Outdoor Event Score: 100/100."

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

Toronto Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2018
28°C
Coldest
2017
8.8°C
Rainiest
2019
3.2mm

Compare Other Cities

Same date (September 1) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Toronto Worth Visiting on September 1?

Planning a trip to Toronto on September 1? 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 24.4°C with a 14% historical precipitation risk.

🎉 Local Event: The date coincides with Labour Day, which may influence local business hours and event availability.

✈️ Travel Logistics: Approximately 1,494 landing slots available daily during this period, indicating peak tourist activity.

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

📊 Historical Extremes: The hottest September 1 recorded in the last 30 years saw temperatures hit 28°C in 2018, while the coldest dropped to 8.8°C in 2017.

Toronto Weather FAQ