September 4 is statistically one of the best days of the year in Calgary. With minimal rain risk (14%) and pleasant highs of 21°C, it's ideal for outdoor adventures. Expect a bustling atmosphere in Calgary right now—this is when the city truly comes alive with visitors.
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Essential Travel Info for Calgary
Currency
CAD
$ Canadian dollar
Language
English
+1 more
Driving
Right side
Connect
The area codes in Calgary are403and587, ...
Safety
Very High Safety
GPI: 1.389
Calgary Weather Forecast for September 4
"Mild & Comfortable. Expect average highs of 21.2°C. 14% chance of rain."
What to Wear in Calgary in September
Based on historical data for September 4, Calgary typically experiences temperatures between 8.6°C and 21.2°C. We recommend packing light jacket, long pants, layers (onion system) 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 Calgary
Smart Suitcase
- Light Jacket
- Long Pants
- Layers (Onion System)
Average High
21.2°C
Daytime Peak
Average Low
8.6°C
Nighttime Low
Feels Like
21.3°C
☀️ Feels accurate
Rain Chance
14%
Avg 0.8mm if it rains
Cloud Cover
49%
Overcast
Pressure
1013.6 hPa
Medium volatility
Calgary Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
~ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 30 min to burn
Type III-IV
🟡 45 min to burn
Type V-VI
🟢 75 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
13.6°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
88/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~261
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Calgary
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:55
☀️ Noon
12:36
🌇 Sunset
19:17
⏱️ Daylight
13h 21m
Wind Speed
14.8 km/h
Gentle breeze
Sunshine
10.4 hrs
Direct Sun (Cloud-free)
Humidity
62%
Slightly humid
Travel Intelligence
Exclusive flight analytics & health data for Calgary
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Calgary
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Calgary on September 4 averages 21.2°C with a 14% precipitation probability. Wedding/Outdoor Event Score: 100/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Calgary Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (September 4) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Calgary Worth Visiting on September 4?
Planning a trip to Calgary on September 4? 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 21.2°C with a 14% 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 4 recorded in the last 30 years saw temperatures hit 31.5°C in 2022, while the coldest dropped to 4.7°C in 2018.