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Thailand Flooding Update: Nan, Bangkok and Chiang Mai

David's September 25, 2026 Thailand flooding update covers Nan, Bangkok and Chiang Mai, with the published outlook and official-warning reminders.

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Published on September 25, 2026, this update brings together flooding reported in Nan and Bangkok, flash flooding in Chiang Mai, and the weather outlook described for the following days. The timing matters: the dates and forecast in the episode are a record of that update, not a live warning page.

What the published update covers

The channel description says Nan was dealing with a second major flood in barely a month, while Bangkok streets flooded after heavy overnight rain. It also identifies Mae Sa flash floods in Chiang Mai and three waterfall closures. These details describe the situation reported when the video was published.

The episode also looks back at the August 18 to 22 flooding in Nan and Pua district. Its published description reports more than 254 millimetres of rain in about a day, three deaths and more than 30,000 people affected. Those figures are presented here as claims from the published episode information, not as an independent reconstruction of the event.

Keep the dates attached to the forecast

The description cites Thai Meteorological Department warning 222/2569 for heavy to very heavy rain through September 27, followed by an expected easing around September 28 to 29. It also mentions rough seas in the Andaman and the Gulf and says Tropical Storm Kujira was not expected to move into Thailand.

Weather forecasts and closures can change quickly. Use this episode to understand the September 25 update, then check the Thai Meteorological Department and local authorities for the latest information before making a travel or safety decision.

Safety reminders in the video description

The published description directs viewers in affected areas to follow local authorities, avoid flooded roads, and stay clear of foothills and waterways where flash floods can move quickly. It also clearly says the video is informational rather than official safety advice.

If a route, waterfall or boat trip is part of your plans, confirm conditions for the exact place and date. A destination being mentioned in this update does not establish its current access, road conditions or operating status.

Episode notes are based on the channel’s published material. Prices, offers and access describe the visit shown; confirm current details before booking. How we create our guides.

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