March 9 is generally a great time to visit London. While there is a slight chance of rain (24%), showers are usually brief. Expect comfortable 11°C weather. It's a quieter period for London, ideal for those who prefer unhurried sightseeing.
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Essential Travel Info for London
Currency
GBP
£ British pound
Language
English
Driving
Left side
Connect
London is unfortunately not noted for fr...
Safety
High Safety
GPI: 1.667
London Weather Forecast for March 9
"Mild & Comfortable. Expect average highs of 10.6°C. 24% chance of snow."
What to Wear in London in March
Based on historical data for March 9, London typically experiences temperatures between 3.6°C and 10.6°C. We recommend packing heavy coat, scarf, gloves to stay comfortable. Trends suggest it will stay mostly dry (24% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for London
Smart Suitcase
- Heavy Coat
- Scarf
- Gloves
Average High
10.6°C
Daytime Peak
Average Low
3.6°C
Nighttime Low
Feels Like
8.7°C
❄️ Minor difference
Snow Chance
24%
Avg 1mm if it snows
Snowfall
0.1 cm
~24% chance
Pressure
1012.6 hPa
High volatility
London Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 95% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 44 min to burn
Type III-IV
🟡 66 min to burn
Type V-VI
🟢 110 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
7.5°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 United Kingdom
Flight Traffic
Quiet
25/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~662
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in London
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:30
☀️ Noon
12:12
🌇 Sunset
17:54
⏱️ Daylight
11h 24m
Wind Speed
21.4 km/h
Moderate wind
Sunshine
6.1 hrs
Direct Sun (Cloud-free)
Humidity
81%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for London
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 London
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟢 Moderate
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Rapid pressure changes detected. High risk for meteosensitive people.
Mild discomfort possible for arthritic conditions.
Fish are active due to pressure changes.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, London on March 9 averages 10.6°C with a 24% precipitation probability. Wedding/Outdoor Event Score: 67/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
London Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
March 16
11.4°C • 17% rain
Score
72
March 14
11°C • 17% rain
Score
70
March 15
11.2°C • 20% rain
Score
70
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (March 9) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is London Worth Visiting on March 9?
Planning a trip to London on March 9? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 10.6°C with a 24% historical precipitation risk.
✈️ Travel Logistics: Approximately 662 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 8 vaccinations are recommended for United Kingdom, including COVID-19.
📊 Historical Extremes: The hottest March 9 recorded in the last 30 years saw temperatures hit 16.2°C in 2025, while the coldest dropped to 0.1°C in 2021.