Indonesia Lombok Weather in September — Climate Guide
September in Lombok is very-high
Lombok Weather in September — Quick Answer
As of 2026- Avg temp
- 30° / 22°
- Rainfall
- 30mm · 3 days
- Crowds
- Busy
As of 2026, Lombok in September averages a high of 30°C and low of 22°C with 30mm of rain over about 3 days. Late dry season — light beach attire, reef-safe sunscreen SPF 50+, hat, sunglasses. UV 12 still strong — mid-day cover-up.
September is very-high for Lombok.
September is late dry season + the canonical value sweet spot. 30mm rainfall, 3 rainy days — same statistics as July. UV 12 still strong. Mt Rinjani trek's final peak month — October brings first rain risk at altitude.
Korean Thanksgiving (Chuseok, varies mid-September) drives brief Seoul-Bali flight spike. Otherwise, Australian winter-escape ends and pricing relaxes — Senggigi 4-star $65-130/night by mid-month. Late September (post-Australian winter, pre-Mt Rinjani late-season risk) is the canonical value sweet spot — dry weather + lower pricing + Mt Rinjani still safe.
Travel score
Year's value sweet spot — peak weather + post-summer pricing relief
September Weather at a Glance
September averages 86°F / 30°C highs and 72°F / 22°C lows with 3 rainy days and 30mm rainfall — same as July. Humidity 71%. UV 12. Sunshine 11 hours daily. Sea 28°C. Mt Rinjani's final peak month before October altitude rain risk. Late September value sweet spot.
September Travel Advice
Mt Rinjani trek bookings open up 1-2 weeks ahead by mid-September. MAHAMAYA Gili Meno + Tugu Lombok pricing eases late month. Chuseok timing varies — confirm if affects your travel. Late September = year's #1 value-vs-quality month for international travelers.
Flying In from Overseas
Australian winter-escape ending, Korean Chuseok brief surge (varies), European autumn travelers beginning. Direct flights from Seoul-Bali $400-650, Tokyo-Bali $400-600, Sydney-Bali $400-600. Late-month flight pricing eases to value zone. International trekkers + divers find ideal value-vs-quality combo.
September Pricing Trends
Pricing eases mid-month: Senggigi 4-star $55-130/night, Kuta Lombok boutique $65-160, Tugu Lombok luxury $300-560, Gili Meno MAHAMAYA $190-400. Mt Rinjani 2D1N trek $230-310. Late September = year's value sweet spot.
Lombok September Weather Stats
Avg High
30°C
Avg Low
22°C
Rainy Days
3
30mm total
Sunshine
11h
Daily avg
Humidity
71%
moderate
UV Index
12
Extreme
Wind
12 km/h
Gusts 24
Sea Temp
28°C
swimming
Crowds
Busy
At attractions
September Sunrise & Sunset
Air Quality
PM2.5
9 μg/m³
PM10
18 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
34°C
Nighttime
24°C
Humidity and wind affect how the actual temperature feels.
Wind
12 km/h
Max gust 24 km/h
Activities Recommended for September
September Travel Pros & Cons
Pros
- Same weather quality as July
- Late month pricing relief
- Mt Rinjani final peak month
- Diving visibility peak
Cons
- Chuseok brief flight spike
- UV 12 sunburn risk
- Gili Meno MAHAMAYA still premium
September Events & Festivals
- Mt Rinjani trek final peak month
- Australian winter-escape ending
- September value window starts late month
- Chuseok / Korean Thanksgiving (varies)
Lombok in September — Full Picture
September is late dry season + the canonical value sweet spot. 30mm rainfall, 3 rainy days — same statistics as July. UV 12 still strong. Mt Rinjani trek's final peak month — October brings first rain risk at altitude.
Korean Thanksgiving (Chuseok, varies mid-September) drives brief Seoul-Bali flight spike. Otherwise, Australian winter-escape ends and pricing relaxes — Senggigi 4-star $65-130/night by mid-month. Late September (post-Australian winter, pre-Mt Rinjani late-season risk) is the canonical value sweet spot — dry weather + lower pricing + Mt Rinjani still safe.
For international travelers seeking best-value-for-quality, late September is the year's #1 month. Diving visibility remains 25-30m. Pink Beach + Tanjung Aan + Bukit Merese all at peak conditions.
What to Wear & What to Pack
Late dry season — light beach attire, reef-safe sunscreen SPF 50+, hat, sunglasses. UV 12 still strong — mid-day cover-up.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
31°C
23.7°C
11.3/mo
Summer (Jun·Jul·Aug)
30°C
22°C
3.3/mo
Autumn (Sep·Oct·Nov)
Current30.7°C
22.7°C
6/mo
Winter (Dec·Jan·Feb)
31°C
24°C
20/mo
Lombok Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 31° | 24° | 22d·360mm | 5.5h | 84% | 11 | Moderate | Low season | |
| 31° | 24° | 20d·320mm | 6h | 84% | 11 | Moderate | Low season | |
| 31° | 24° | 16d·230mm | 7h | 82% | 11 | Moderate | Low season | |
| 31° | 24° | 11d·150mm | 8h | 80% | 11 | Moderate | Shoulder | |
| May (Best) | 31° | 23° | 7d·80mm | 9h | 76% | 11 | Busy | Shoulder |
| June (Best) | 30° | 22° | 5d·50mm | 10h | 73% | 11 | Busy | Peak |
| July (Best) | 30° | 22° | 3d·30mm | 10h | 71% | 11 | Very busy | Peak |
| August (Best) | 30° | 22° | 2d·20mm | 11h | 70% | 12 | Very busy | Peak |
| September (Best) | 30° | 22° | 3d·30mm | 11h | 71% | 12 | Busy | Shoulder |
| October (Best) | 31° | 23° | 5d·50mm | 10h | 73% | 11 | Busy | Shoulder |
| 31° | 23° | 10d·130mm | 9h | 76% | 11 | Moderate | Shoulder | |
| 31° | 24° | 18d·280mm | 6h | 81% | 11 | Very busy | Peak |
View Other Months
Lombok September Hotel Picks
Frequently Asked Questions
Is September a good time to visit Lombok?
Lombok in September is very-high. Tourist crowds are busy and flight/hotel prices are shoulder.
What's the average temperature in Lombok in September?
Lombok September averages a high of 30°C and a low of 22°C.
Does it rain much in Lombok in September?
Lombok September averages 30mm of rainfall over about 3 rainy days.
What should I wear in Lombok in September?
Late dry season — light beach attire, reef-safe sunscreen SPF 50+, hat, sunglasses. UV 12 still strong — mid-day cover-up.
What time are sunrise and sunset in Lombok in September?
Lombok September sunrise is 06:00 and sunset is 17:45, with 11h 45min of daylight.
What's the air quality like in Lombok in September?
Lombok September air quality (AQI) averages 26, rated Good. PM2.5 averages 9μg/m³.
What activities are recommended in Lombok in September?
In September, Lombok is great for Mt Rinjani trek (final peak), Gili diving + manta, Senggigi beaches.
Is September peak season in Lombok?
Lombok September crowds are busy and prices are shoulder. Advance reservations are strongly recommended.
Best Months to Visit Lombok
View Other Months
Planning a September trip to Lombok?
You've checked the weather — next come the budget and the route.
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.