September could be a good time to visit Dong Hoi, as the weather is generally fine. The average high temperature is around +86°F, and there are typically 1 sunny days in September. However, expect about 21 rainy days, and total monthly rainfall of approximately 348 mm. The weather is changeable so pack for every eventuality. Search flightsin one click on Avionero.
Average weather
☀️
+86°F
Avg. max. temperature
+68°F
Min.
+97°F
Max.
348 mm
Total precipitation
83%
Avg. humidity
2 m/s
Avg. wind
1 ☀️
Sunny Days
3 ⛅️
Cloudy
21 🌦
Rainy
Our opinion: Dong Hoi has OK weather in September.
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Average temperature in Dong Hoi in September
Here are the expected maximum, average and minimum temperatures in Dong Hoi for September based on the historical data.
Last Year
Historical Data
The expected average maximum temperature in September is +86°F with a maximum of +95°F and a minimum of +79°F.
The average maximum temperature goes down 22% by the end of the month, compared with the beginning of the month, from +90°F to +86°F.
Is Dong Hoi warm or cold in September?
Dong Hoi is typically warm in September.
Maximum temperatures go down compared to the previous month from +88°F to +86°F. The minimum temperature also goes down from +81°F to +79°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how September is compared to other months in Dong Hoi:
Climate in Dong Hoi in September
Dong Hoi weather looks like this, on average, in September and the surrounding months.
August
September
October
Avg. temperature
+88°F
+86°F
+81°F
Min. temperature
+75°F
+68°F
+64°F
Max. temperature
+97°F
+97°F
+90°F
Rainfall
148 mm
348 mm
541 mm
Wind
3 m/s
2 m/s
2 m/s
Humidity
77%
83%
86%
Air pressure
1004 HPa
1007 HPa
1011 HPa
Sunny days
0
1
1
Cloudy days
7
3
3
Rainy days
16
21
26
Snowy days
0
0
0
September weather is still as ok as in August.It’s getting colder in September. From +88°F in the day, the average maximum temperature lowers to +86°F.Prepare for more rain. Average rainfall goes from 148 mm to 348 mm.Humidity rises from 77% to 83%.Winds are calmer in comparison to August, going down from 3 m/s to 2 m/s on average.The good news is there are likely to be more sunny days in September, from 0 to 1.
October brings much the same weather, it remains ok.
Wind speed in Dong Hoi in September based on historical data.
Last Year
Historical Data
The average wind speed is 2 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Dong Hoi is gradually decreasing during September, going from 2 m/s to 1 m/s over the course of the month.
Rain
Amount of rainfall in mm during September in Dong Hoi based on historical data.
Last Year
Historical Data
Total precipitation in September is about 330 mm, with a 80% chance of rain on a typical day. The maximum amount of rainfall per day is around 124 mm, which is considered heavy rain.September is a pretty wet month with over 24 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
September is one of the rainiest months in Dong Hoi, here is a comparison with other months, total mm:
Dong Hoi wettest month is October, where a typical day has a 84% chance of precipitation and 541 mm of rainfall per day. February, on the other hand, is the driest month with a mere 69% chance of precipitation and 77 mm of rainfall per day.
How was the weather last September in Dong Hoi?
This is the weather in Dong Hoi in September 2023:
1 September
☀️
+90°F
2 September
☀️
+91°F
3 September
🌧️
+94°F
4 September
☁️
+85°F
5 September
🌧️
+89°F
6 September
☁️
+86°F
7 September
☁️
+85°F
8 September
☁️
+87°F
9 September
☁️
+90°F
10 September
☁️
+87°F
11 September
☁️
+88°F
12 September
☁️
+88°F
13 September
🌧️
+84°F
14 September
🌧️
+82°F
15 September
🌧️
+81°F
16 September
🌧️
+83°F
17 September
🌧️
+83°F
18 September
☁️
+87°F
19 September
☁️
+89°F
20 September
☀️
+88°F
21 September
☀️
+88°F
22 September
☀️
+87°F
23 September
☀️
+86°F
24 September
🌧️
+86°F
25 September
🌧️
+81°F
26 September
🌧️
+82°F
27 September
☁️
+82°F
28 September
🌧️
+83°F
29 September
🌧️
+83°F
30 September
🌧️
+86°F
In September 2023 Dong Hoi had 6 sunny days, 11 cloudy days, and 13 rainy days. The average maximum temperature was +86°F, with an absolute maximum of +95°F and a minimum of +81°F. The average humidity was 82%, with a maximum of 100% and a minimum of 48%. The average wind speed was 2 m/s, with a maximum of 7 m/s and a minimum of 0 m/s.
Are you planning a trip in September?
Climate Change Over the Years
This is how Dong Hoi climate has changed over the last 43 years.
The climate in Dong Hoi in September has not changed that much over the last 43 years.
The average temperature was the lowest in 2011 (+79°F) and the highest in 2019 (+84°F). The driest year was 1982 with only 1599 mm of rainfall, and the wettest year was 2020 with 3418 mm.
FAQ
Frequently asked questions about the weather in Dong Hoi in September:
Is September a good time to visit Dong Hoi?
It’s always a good time to visit Dong Hoi, but the weather is changeable in September, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Dong Hoi in September?
September is warm in Dong Hoi. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.
Is Dong Hoi rainy in September?
Dong Hoi is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Dong Hoi in September?
Usually, it’s not very sunny in Dong Hoi in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
Other cities in Vietnam
Check out the weather for other cities in Vietnam.
For this page, we’ve looked at the typical weather in Dong Hoi, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
