September 21 is generally a great time to visit Lombok. While there is a slight chance of rain (24%), showers are usually brief. Expect comfortable 30°C weather. Lombok is seeing high visitor numbers, so iconic spots may be busier than usual.
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Essential Travel Info for Lombok
Currency
IDR
Rp Indonesian rupiah
Language
Indonesian
Driving
Left side
Connect
There are no consular services available...
Safety
High Safety
GPI: 1.8
Lombok Weather Forecast for September 21
"Warm & Sunny. Expect average highs of 30.3°C. 24% chance of rain."
What to Wear in Lombok in September
Based on historical data for September 21, Lombok typically experiences temperatures between 21.6°C and 30.3°C. We recommend packing t-shirt, light clothing 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 Lombok
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
30.3°C
Daytime Peak
Average Low
21.6°C
Nighttime Low
Feels Like
38°C
🔥 Heat index effect
Rain Chance
24%
Avg 1.1mm if it rains
Cloud Cover
55%
Light drizzle
Pressure
1012.2 hPa
Low volatility
Lombok Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 100% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
06:00 - 10:00
16:00 - 18:00
Type I-II
🔴 21 min to burn
Type III-IV
🟡 32 min to burn
Type V-VI
🟢 53 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
26°C
Humid/Sticky
Heat Index
38°C
Feels hotter
😕 Best outdoor time:
Early morning (6-9 AM) or evening (after 6 PM)
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Indonesia
Flight Traffic
Busy
71/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~29
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Lombok
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:06
☀️ Noon
12:09
🌇 Sunset
18:12
⏱️ Daylight
12h 5m
Wind Speed
15 km/h
Gentle breeze
Sunshine
11.2 hrs
Direct Sun (Cloud-free)
Humidity
78%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Lombok
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 Lombok
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.
Mild discomfort possible for arthritic conditions.
Moderate fish activity expected.
Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Active seismic zone. Multiple earthquakes per year.
Volcanic Activity
Nearest: Mount Agung
96.2km away
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, Lombok on September 21 averages 30.3°C with a 24% precipitation probability. Wedding/Outdoor Event Score: 92/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Lombok Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
💡 Moving your event by a few days could significantly improve weather conditions
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Same date (September 21) in other destinations
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🌍 Explore the same date in different destinations around the world
📍 Is Lombok Worth Visiting on September 21?
Planning a trip to Lombok on September 21? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 30.3°C with a 24% historical precipitation risk.
✈️ Travel Logistics: Approximately 29 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 11 vaccinations are recommended for Indonesia, including COVID-19.
📊 Historical Extremes: The hottest September 21 recorded in the last 30 years saw temperatures hit 32°C in 2024, while the coldest dropped to 19.2°C in 2023.