Lombok in September

In September, Lombok averages 31°C (89°F) during the day and 23°C (74°F) at night, with frequent rain — about 16 days of the month see precipitation (54 mm total).

Shoulder

Conditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.

September is one of the wetter and less comfortable months in Lombok. If your dates are flexible, consider a different time of year.

31°C
Avg high
23°C
Avg low
16
Rain days
54 mm
Rainfall

How September compares to the rest of the year in Lombok

2nd
warmest month of the 12
10th
wettest month of the 12
3%
of yearly rainfall falls in September
12 h 3 min
daylight on the 15th

September is one of the warmest months in Lombok (2nd of 12) and one of the driest months (10th of 12). Daytime temperature runs 1°C above the annual average (30°C). September runs 1°C warmer than August (31°C) and stays flat into October.

September sunrise & sunset in Lombok

🌅
Sunrise (15th)
6:09 AM
🌇
Sunset (15th)
6:12 PM
Day length
12 h 3 min

Times shown for Lombok local time (Asia/Makassar), calculated for the 15th of September. They shift by a few minutes day to day across the month.

Photography light in Lombok — September

Golden-hour and blue-hour windows for the 15th of September, in Lombok's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
5:09 AM – 5:49 AM
🌄 Golden hour (AM)
5:49 AM – 6:49 AM
🌇 Golden hour (PM)
5:32 PM – 6:32 PM
🌆 Blue hour (PM)
6:32 PM – 7:12 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Lombok.

📅 When to book — Lombok in September

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Shoulder) and Lombok's popularity.

✈ Flights — lead time
6-10 weeks
Sweet spot for value. Major fare-sales (US: Black Friday, EU: post-Easter) hit hardest in shoulder months for shoulder travel.
🏨 Lodging — lead time
4-8 weeks
Lots of selection. Look for shoulder-season packages — many hotels add value (free breakfast, spa credit) to fill rooms.

Crowds & pricing — September in Lombok

Shoulder

Lombok is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.

Sun & mosquito risk — September in Lombok

☀️ UV Index (noon, 15th)
12.7
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●●●●
Severe
Severe mosquito season with active disease transmission risk. DEET 30%+, picaridin 20%, long sleeves day and night, treated nets, and check CDC/WHO travel advisories before going.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Sea temperature in Lombok — September

28.3°C (83°F)
bath-warm
tropical and comfortable for hours

Across the year Lombok's sea swings from 28.1°C (August) to 30.2°C (November) — September sits at 28.3°C.

Lombok in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 29°C / 84°F 25°C / 76°F 305 mm 31
February 29°C / 84°F 24°C / 76°F 273 mm 28
March 29°C / 85°F 24°C / 76°F 214 mm 30
April 30°C / 86°F 24°C / 76°F 173 mm 28
May 31°C / 87°F 24°C / 75°F 68 mm 20
June 30°C / 86°F 24°C / 74°F 51 mm 17
July 30°C / 86°F 23°C / 73°F 26 mm 13
August 31°C / 87°F 23°C / 73°F 23 mm 14
September 31°C / 89°F 23°C / 74°F 54 mm 16
October 32°C / 89°F 24°C / 75°F 99 mm 22
November 31°C / 87°F 25°C / 76°F 215 mm 29
December 29°C / 85°F 25°C / 76°F 305 mm 27

Other cities with similar September weather

🌍 See the full ranked list of climate twins for Lombok in September →

Frequently asked questions

How hot is Lombok in September?

In September, Lombok averages a high of 31°C (89°F) and a low of 23°C (74°F) — generally hot.

Does it rain a lot in Lombok in September?

September is quite rainy in Lombok, with about 16 rainy days on average.

Is September a good time to visit Lombok?

September is hot but on the rainy side. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Lombok in September?

Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full September packing list for Lombok for a complete, climate-based checklist.

Open Lombok on the interactive map

Check the live 10-day forecast and sunrise/sunset.