Vietnam travel guide
Vietnam in September is among the wettest months in the north and south, with highs near 32°C, lows near 25°C and about 290 mm of rain, the highest in the figures. The central coast can still be viable early in the month. It suits flexible, price-focused travellers.
Facts checked 2 Nov 2026
Among the wettest months in northern and southern Vietnam; central coast can still be viable early in the month.
This guide explains what Vietnam is like in September: the weather, how busy it is, what to plan and who the month suits. Figures are typical values from our destination research, so check a forecast before you travel. Weather differs sharply by region, so read the notes for the north, centre and south.
September has the highest rainfall of the year in the figures, at about 290 mm. Highs reach about 32°C and lows about 25°C, with humidity near 81 percent. The north and south are among the wettest at this time. The central coast can still be viable early in the month, but conditions can change as the month goes on. Plan with flexibility and check forecasts.
September suits flexible, price-focused travellers, and those heading to Sapa near the end of the month when the season turns. It is a weak choice for beach holidays or a fixed-date cruise. First-time visitors and honeymooners do better waiting until October or November.
September is wetter than August, at about 290 mm compared with about 250 mm, and about a degree cooler by day. October is drier at about 220 mm, and November far drier at about 75 mm. If you can shift even a month or two, conditions improve. See also August and October.
Some travel sources list September as budget-friendly for flights and hotels, which is a real benefit. The cost is weather risk. If you go, give the route fewer stops, and make sure every cruise or tour has flexible terms. September is also the start of the shoulder season for Sapa, so a northern mountain add-on may suit longer trips, but check conditions closely. Our packages are land-only, so flights are booked separately, and Indian travellers need an e-visa, covered in the Vietnam visa guide for Indians.
This guide is compiled from published tourism and weather information and traveller reports about Vietnam, and was last checked on 2 November 2026. Weather, prices and schedules change, so confirm details before you book.
See the full best time to visit Vietnam guide, plan your days with places to visit in Vietnam and things to do in Vietnam, and browse our Vietnam tour packages.
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Hanoi 2N · Ha Long Bay 1N · Hoi An 2N · Ho Chi Minh City 1N
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FAQs
Short answers to what travellers ask about Vietnam.
September has highs near 32°C and lows near 25°C, with about 290 mm of rain and humidity near 81 percent. It is among the wettest months in the north and south, while the central coast can still be viable early in the month.
It is one of the weaker months for weather, but it can suit flexible travellers who want lower prices. Keep plans loose and favour the central coast early in the month.
Several travel sources note that September can be budget-friendly for flights and accommodation. The trade-off is heavy rain, so choose flexible bookings and avoid non-refundable cruise dates.
Sapa is especially appealing from September to November, though conditions vary and rain is heavy. It needs extra days and transport, so add it to longer trips and check forecasts.
Not necessarily, but plan carefully. Choose flexible bookings, favour the central coast early in the month and keep the route short. October and November offer better conditions if your dates can move.
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