September 9 is statistically one of the best days of the year in Los Angeles. With minimal rain risk (5%) and pleasant highs of 32°C, it's ideal for outdoor adventures. Expect a bustling atmosphere in Los Angeles right now—this is when the city truly comes alive with visitors.
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Essential Travel Info for Los Angeles
Currency
USD
$ United States dollar
Language
English
Driving
Right side
Connect
Internet cafes are spread around town an...
Safety
Moderate Safety
GPI: 2.44
Los Angeles Weather Forecast for September 9
"Warm & Sunny. Expect average highs of 31.6°C. 5% chance of rain."
What to Wear in Los Angeles in September
Based on historical data for September 9, Los Angeles typically experiences temperatures between 18.3°C and 31.6°C. We recommend packing t-shirt, light clothing, layers (onion system) to stay comfortable. Trends suggest it will stay mostly dry (5% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Los Angeles
Smart Suitcase
- T-Shirt
- Light Clothing
- Layers (Onion System)
Average High
31.6°C
Daytime Peak
Average Low
18.3°C
Nighttime Low
Feels Like
35.9°C
🔥 Feels warmer
Rain Chance
5%
Avg 0mm if it rains
Cloud Cover
22%
Overcast
Pressure
1011.2 hPa
Low volatility
Los Angeles Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 81% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
05:00 - 10:00
16:00 - 18:00
Type I-II
🔴 19 min to burn
Type III-IV
🟡 29 min to burn
Type V-VI
🟢 48 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
22.6°C
Humid/Sticky
Heat Index
35.9°C
Feels hotter
🙂 Best outdoor time:
Early morning (6-9 AM) or evening (after 6 PM)
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
✅ Excellent Swimming Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in United States
Flight Traffic
High
98/100 pressure index
Health Advisory
Healthy
Routine only • View Details →
Landing Slots
~822
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Los Angeles
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:33
☀️ Noon
11:51
🌇 Sunset
18:10
⏱️ Daylight
12h 36m
Wind Speed
13.8 km/h
Gentle breeze
Sunshine
11.2 hrs
Direct Sun (Cloud-free)
Humidity
59%
Comfortable
Travel Intelligence
Exclusive flight analytics & health data for Los Angeles
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 Los Angeles
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
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
Moderate seismic activity. Occasional tremors possible.
Eastern Pacific Hurricane Risk
Season: May - Nov
Travel Alert: This region has elevated natural risks. We recommend registering with your embassy and keeping emergency numbers handy.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Los Angeles on September 9 averages 31.6°C with a 5% precipitation probability. Wedding/Outdoor Event Score: 98/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Los Angeles Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
September 2
32.6°C • 4% rain
Score
100
September 3
32.8°C • 3% rain
Score
100
September 4
33.1°C • 1% rain
Score
100
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (September 9) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Los Angeles Worth Visiting on September 9?
Planning a trip to Los Angeles on September 9? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 31.6°C with a 5% historical precipitation risk.
✈️ Travel Logistics: Approximately 822 landing slots available daily during this period, indicating peak tourist activity.
🌊 Coastal Conditions: Water temperature averages 21.4°C (swimming pool). Wave conditions are generally fun waves with heights around 0.88m.
📊 Historical Extremes: The hottest September 9 recorded in the last 30 years saw temperatures hit 42.1°C in 2024, while the coldest dropped to 15.9°C in 2016.