Hoi An in september: average Weather, Temperature and Climate
Weather in Hoi An in september 2025
The weather in Hoi An in the month of september comes from statistical datas on the past years. You can view the weather statistics for all the month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
tolerable weather UV index: 7
Weather at 6am
79°F
Partly Cloudy
32% of time
30%
21%
14%
Weather at 12pm
88°F
Clear/Sunny
30% of time
24%
24%
16%
Weather at 6pm
79°F
Moderate rain at times
31% of time
25%
21%
19%
Weather at 3am
77°F
33%
28%
26%
12%
Evolution of daily average temperature and precipitation in Hoi An in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Hoi An in september.
The climate of Hoi An in september is tolerable
The weather in september in Hoi An is wet (with 18.4in of rainfall over 16 days). Unfortunately, the weather conditions is worsening than the previous month since in august there is an average of 10.7in of precipitation over 15 days.
The climate is very warm here in september. The high seasonal norm is 88°F. On average, the recorded minimum temperature is 79°F. Thus, the mean temperature average on this month of september in Hoi An is 85°F. Note that these seasonal averages are in contrast with those observed in Hoi An in september with a maximum record of 95°F in 2017 and a minimum record of 74°F in 2011. You can hope to have about 21 days with temperatures up to 86°F, or 70 of time.
On average, in Hoi An, the days of september last 12:14. The sun rises at 05:35 and sets at 17:49.
September: another location in Vietnam?
If you want to go to Vietnam in september, there are destinations with better weather than Hoi An:
In september, Hanoi, Phan Thiet, Bac Ha, Co Thach Beach (Bình Thạnh), Mũi Né and Thanh Pho Ninh Binh have good weather.
Seasonal average climate and temperature of Hoi An in september
Check below seasonal norms These datas are set from the weather statements of the last years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 85°F | ||||
| Highest temperature | 88°F | ||||
| Lowest temperature | 79°F | ||||
| Highest record temperature | 95°F (2017) | ||||
| Lowest record temperature | 74°F (2011) | ||||
| Number of days at +86°F | 21 day(s) (70%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 85°F | ||||
| Lowest sea temperature | 81°F | ||||
| Highest sea temperature | 87°F | ||||
| Wind | |||||
| Wind speed | 13km/h | ||||
| Wind temperature | 79°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 18.4in | ||||
| Number of days with rainfall | 16 day(s) (53%) | ||||
| Record daily rainfall | 14.4in (2009) | ||||
| Other climate data | |||||
| Humidity | 87% | ||||
| Visibility | 9.03km | ||||
| Cloud cover | 40% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:35 | ||||
| Time of sunset | 17:49 | ||||
| Length of day | 12:14 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last september?
Here is the day by day recorded weather in Hoi An in september 2024:
77°F to 90°F
77°F to 90°F
77°F to 90°F
77°F to 92°F
77°F to 94°F
79°F to 94°F
81°F to 95°F
83°F to 95°F
79°F to 94°F
79°F to 86°F
79°F to 81°F
77°F to 90°F
77°F to 90°F
77°F to 85°F
77°F to 90°F
77°F to 86°F
76°F to 85°F
76°F to 83°F
74°F to 85°F
76°F to 88°F
77°F to 86°F
77°F to 83°F
76°F to 81°F
77°F to 83°F
77°F to 83°F
77°F to 86°F
77°F to 86°F
77°F to 86°F
77°F to 88°F
77°F to 88°F
Map: other cities in Vietnam in september
Cities near Hoi An:
| Bai Lang (Cham islands) in september | tolerable weather |
| Da Nang in september | tolerable weather |
| My Son Sanctuary in september | tolerable weather |
| Tam Ky in september | tolerable weather |
| Phu Vang in september | tolerable weather |
| Nghia Hanh in september | tolerable weather |
| Huế in september | tolerable weather |
| Thuan An Beach in september | tolerable weather |
| Dong Ha in september | tolerable weather |
| Kon Tum in september | very bad weather |
| Bong Son in september | tolerable weather |
| Pleiku in september | very bad weather |
Click over cities on the map for information about the weather in september.
Hoi An
perfect weather
good
tolerable
bad
very bad
Weather data for Hoi An in september:
Weather data for Hoi An for september are derived from an average of the weather forecast since 2009 in Hoi An. There is a margin of error and these forecasts are to be considered as general information only. The weather in Hoi An can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Hoi An.