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Borneo weather & when to go: September

Borneo September weather overview

Dry season continues throughout Borneo during September, with dry, sunny days the order of the day, although there is an increased chance of rainfall, especially as the month progresses.  

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Borneo weather & when to go

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September’s weather in detail

Sabah

Kota Kinabalu, Kinabalu NP, Kinabatangan River, Danum Valley, Sepilok, Gaya Island, Lankayan & Selingan Islands, Mabul & Sipadan Islands

The dry summer season often extends well into September with a high chance of fine, sunny days throughout Sabah, although there is the ever-present chance of an afternoon downpour, especially towards the end of the month as dry season draws to a close. Minimal rainfall and more comfortable daily temperatures make September a good month to climb Mt Kinabalu. Good dive and snorkelling conditions continue, although it’s the end of turtle season on the islands of Selingan and Lankayan.

Avg daily temp: 28°C; avg monthly rainfall: 200mm.

Sarawak

Kuching, Damai Beach, Miri, Mulu National Park, Batang Ai

Dry season is nearing the end and the likelihood of rain increases throughout Sarawak as October approaches, although these are most likely to occur in the late afternoon or evening. September is still a great month for trekking in Mulu National Park and the Batang Ai region, but be sure to pack waterproofs. 

Avg daily temp: 28°C; avg monthly rainfall: 270mm.

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