Historical data suggests significant rain risk (90%) on September 9. If you seek sun, consider a different date. Bring rain gear! As it's peak season for Kathmandu, we recommend booking your stay well in advance to secure the best rates.
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Essential Travel Info for Kathmandu
Currency
NPR
₨ Nepalese rupee
Language
Nepali
Driving
Left side
Connect
Most cafes & restaurants in tourist area...
Safety
High Safety
GPI: 1.947
Kathmandu Weather Forecast for September 9
"Rainy & Overcast. Expect average highs of 24.9°C. 90% chance of rain."
What to Wear in Kathmandu in September
Based on historical data for September 9, Kathmandu typically experiences temperatures between 18.9°C and 24.9°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 90% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Kathmandu
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
24.9°C
Daytime Peak
Average Low
18.9°C
Nighttime Low
Feels Like
26°C
☀️ Minor difference
Rain Chance
90%
Avg 9.7mm if it rains
Cloud Cover
79%
Moderate rain
Pressure
1008.3 hPa
Low volatility
Kathmandu Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 96% 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
🔴 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
22.8°C
Humid/Sticky
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Nepal
Flight Traffic
High
100/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~171
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Kathmandu
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:02
☀️ Noon
12:17
🌇 Sunset
18:33
⏱️ Daylight
12h 30m
Wind Speed
6.3 km/h
Light breeze
Sunshine
8.4 hrs
Direct Sun (Cloud-free)
Humidity
88%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Kathmandu
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 Kathmandu
Travel Comfort Index
Real-time tourism conditions
Weather Quality
🌧️ Variable
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Mild discomfort possible for arthritic conditions.
Moderate fish activity expected.
Unhealthy. Everyone should reduce outdoor activities.
Regional Safety Profile
Seismic Activity
Active seismic zone. Multiple earthquakes per year.
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, Kathmandu on September 9 averages 24.9°C with a 90% precipitation probability. Wedding/Outdoor Event Score: 47/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Kathmandu Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
September 15
24.6°C • 86% rain
Score
51
September 16
24.6°C • 87% rain
Score
50
September 7
24.9°C • 88% rain
Score
48
💡 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 Kathmandu Worth Visiting on September 9?
Planning a trip to Kathmandu on September 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 24.9°C with a 90% historical precipitation risk.
✈️ Travel Logistics: Approximately 171 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 11 vaccinations are recommended for Nepal, including COVID-19.
📊 Historical Extremes: The hottest September 9 recorded in the last 30 years saw temperatures hit 27°C in 2024, while the coldest dropped to 17.9°C in 2016.