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Hoi An weather in September 2025
Expect 31°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Hoi An in September. Check more long-term weather averages for Hoi An in September before you book your next holiday to Vietnam in 2025/2026.
- 3131°C max day temperature
- 6 hours of sunshine per day
- 1919 days with some rainfall
- 2424°C min night temperature
- 1212 hours of daylight per day
- HHigh heat & humidity
- 297297 mm of monthly rainfall
- 1111+ (Extreme) UV index
More about Hoi An
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Hoi An by month
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Recommended for Vietnam
The September weather guide for Vietnam (Hoi An) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about Vietnam
How hot is it in Hoi An in September?
Daytime temperatures usually reach 31°C in Hoi An in September with high heat and humidity, falling to 24°C at night.
How sunny is it in Hoi An in September?
There are normally 6 hours of bright sunshine each day in Hoi An in September - that's 46% of daylight hours.
Does it rain in Hoi An in September?
There are usually 19 days with some rain in Hoi An in September and the average monthly rainfall is 297mm.
What is the chance of a typhoon in Hoi An in September?
On average 2.7 days in September in Hoi An are likely to be affected by the passage of one or more tropical storms.
Hoi An September sunrise & sunset times
Browse the sunrise and sunset times for Hoi An in September 2025. Select a month to view Hoi An sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 05:34 | 17:59 |
Monday, 15th September 2025 | 05:35 | 17:49 |
Tuesday, 30th September 2025 | 05:36 | 17:37 |
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