Mola mola (sunfish) season
July to October, best August to October
Crystal Bay at Nusa Penida brings cold upwellings, with water as cold as 18–20°C. Divers need a 5mm wetsuit and a hood, and snorkellers want a rash guard and a long-sleeved top.
Highs30°C (86°F)
Lows24°C (75°F)
Rainy days~3
Daylight12 h
CrowdsBusy
September averages for Denpasar (Ngurah Rai Airport). Source
September is still dry and sunny, with crowds easing — one of the sweet-spot months. Beach clothes and sunscreen.
☀️ By day
Swimwear and linen, plus a wetsuit if you are diving for sunfish.
🌙 Evening
A sunset outfit for Uluwatu's cliff-top bars.
What's on in September
Typical dates. Many festivals follow lunar calendars, so check this year's dates before you book.
Shoulder season deals
September
Crowds thin out while the weather stays dry. It is a great time for beach clubs and villas.
September packing essentials
Your September outfit list
- Linen or cotton sundressCotton maxi dress with sleevesShop Amazon ↗
- Sarong (temples & beach)Shop Amazon ↗
- Linen shorts or skirtCotton palazzo pantsShop Amazon ↗
- Breathable topsShop Amazon ↗
- Bikini or swimsuitFull-coverage swimwearShop Amazon ↗
- Comfortable sandalsShop Amazon ↗
- Linen shirtsShop Amazon ↗
- Swim / board shortsShop Amazon ↗
- Quick-dry shortsShop Amazon ↗
- Breathable teesShop Amazon ↗
- SandalsShop Amazon ↗
Also pack
Showing more covered picks for travellers from India.
Dress code
- Temples require a sarong (kamen) and sash for everyone, and covered shoulders — rent one at the gate or bring your own.
- Swimwear is for beaches and pools; cover up in shops, restaurants and villages.
- Ubud and the highlands are cooler at night — bring a light layer.