Weather in Hoi An in September
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Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youIn September, Hoi An sees average highs of 30.8°C (87.4°F) and lows of 25.3°C. Conditions are hot and extremely wet, with heavy downpours most days, with roughly 9.3 hours of sunshine a day. Weather-wise, this is one of the most reliable months to travel. For the complete picture, see the best time to visit Hoi An — every month compared. Once you know when to go, find your Hoi An packing list at 247PackingList.
Get ready for Hoi An in September
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Search Flights →Lightweight travel clothing
Lightweight, breathable clothing and a compact travel umbrella are essential in this climate.
Check Price →What to pack for Hoi An in September
- Lightweight, breathable clothing
- High SPF sunscreen
- Sunglasses
- Sun hat
- Reusable water bottle
- Compact travel umbrella
- Waterproof jacket
- Quick-dry clothing
Compare all months in Hoi An
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 23.8°C | 156.1mm | 9/10 |
| February | 24.7°C | 84.6mm | 10/10 |
| March | 27.7°C | 54.6mm | 10/10 |
| April | 29.4°C | 113.7mm | 9/10 |
| May | 32.3°C | 87.6mm | 10/10 |
| June | 34.7°C | 58.0mm | 10/10 |
| July | 33.5°C | 102.7mm | 9/10 |
| August | 33.8°C | 135.5mm | 9/10 |
| September | 30.8°C | 329.2mm | 8/10 |
| October | 28.0°C | 707.3mm | 8/10 |
| November | 26.8°C | 398.1mm | 8/10 |
| December | 24.2°C | 404.2mm | 8/10 |
Full month-by-month guide: best time to visit Hoi An →
For facts about Vietnam — currency, language and dialling code — see our Vietnam country guide at 247CountryInfo. Travellers also find it useful to keep a Hoi An travel guide to hand. Check clothing sizes in Vietnam before you shop.
Frequently Asked Questions
Is September a good time to visit Hoi An?
September rates 8/10 for visiting Hoi An — good time to visit. Expect average highs of 30.8°C, 329.2mm of rain across the month and about 9.3 hours of daily sunshine.
What is the temperature in Hoi An in September?
In September, Hoi An has average highs of 30.8°C (87.4°F) and average lows of 25.3°C (77.5°F).
Does it rain in Hoi An in September?
Yes — September is one of the wetter months in Hoi An, averaging 329.2mm of rain over roughly 22 rainy days. Pack for heavy showers.
What should I wear in Hoi An in September?
For Hoi An in September (30.8°C highs / 25.3°C lows), pack lightweight, breathable clothing plus high spf sunscreen, sunglasses, sun hat.
More essentials for Hoi An in September
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.