Thanh Hoa Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Thanh Hoa, Vietnam in September.

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Sầm Sơn

Thinking about venturing to Thanh Hoa, Vietnam this September and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Thanh Hoa in September

Thanh Hoa, Vietnam is a region in Vietnam. September in Thanh Hoa generally has very warm temperatures, with heavy precipitation.

Temperatures

You can expect very warm maximum daytime temperatures of around 31°C (88°F) and nighttime temperatures around 26°C (79°F) in Sầm Sơn. While the given temperatures for day and night are typical, there may be days that feel warmer. Make sure you're dressed in a way that keeps you cool and comfortable.

For specific regional insights in Thanh Hoa, Vietnam, refer to the map provided below.

Precipitation

September is a very rainy month with an average rainfall of around 354 mm (14 in) in Sầm Sơn. Based on our climate, it is the month with the most precipitation throughout the year in Sầm Sơn.

Average sunshine

Sunshine is fairly consistent across many areas. Sầm Sơn receives about 172 hours of sunlight in September, providing a good balance between sunny spells and cloud cover. If you're after more sunshine hours, take a look at our weather planner for other sun-rich destinations worldwide.

Explore Thanh Hoa by month

Pick a month to see the average temperature, rainfall and sunshine in Thanh Hoa — and find the best time to visit. (based on Sầm Sơn)

January21°C (70°F) February22°C (72°F) March24°C (75°F) April28°C (82°F) May31°C (88°F) June33°C (91°F) This monthJuly33°C (91°F) August32°C (90°F) September31°C (88°F) October29°C (84°F) November26°C (79°F) December23°C (73°F)
Best Time to Visit Thanh Hoa →

Best Places to Visit in Thanh Hoa in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Thanh Hoa.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Thanh Hoa

What is the weather like in September for the most popular destinonation in Thanh Hoa, Vietnam?

Sầm Sơn

In September Sầm Sơn generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 26°C (79°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« August
September
October »
August
September
October
Max temperature
32°C (90°F)
31°C (88°F)
29°C (84°F)
Min temperature
27°C (81°F)
26°C (79°F)
24°C (75°F)
Monthly sun hours
176 hours
172 hours
171 hours
Monthly rainfall
318 mm (13 in)
354 mm (14 in)
222 mm (8.7 in)
Monthly rainy days
19 days
15 days
10 days
Weather conditions
poor
poor
unpleasant
Climate in Sầm Sơn →

Is your destination not in the list? Have a look at all destinations in Thanh Hoa, in Vietnam.

In our records: Vietnam September extremes

Notable September records observed across cities in Vietnam in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • From our sources, the wettest September day in Vietnam brought 486 mm (19 in) in Bạch Mã on September 4, 2009.

Thanh Hoa weather in September: frequently asked questions

What is the weather like in Thanh Hoa, Vietnam in September?

In September, Thanh Hoa, Vietnam generally has poor weather conditions. Sầm Sơn sees daytime temperatures near 31°C (88°F), with nights cooling to roughly 26°C (79°F).

What is the average temperature in Thanh Hoa, Vietnam in September?

Sầm Sơn averages a daytime maximum of 31°C (88°F) in September, with overnight lows close to 26°C (79°F).

Does Thanh Hoa, Vietnam get a lot of rain in September?

Yes. September brings heavy rainfall to Thanh Hoa, Vietnam, with Sầm Sơn averaging around 354 mm (14 in). Expect frequent showers and pack accordingly.

Is September a Good Time to Visit Thanh Hoa, Vietnam?

Given the typically poor weather conditions in Sầm Sơn, September may not be the ideal time to visit Thanh Hoa, Vietnam.

Generally speaking, the best visiting conditions can be found in January, February, March, April, November and December offering mostly perfect weather in Sầm Sơn. The weather in June, July, August and September, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Thanh Hoa.

Weather and climate has detailed information for every country in the world. Are you going to Vietnam? Get detailed historical weather averages for many cities in Vietnam.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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