Nam Định Weather in September
With daytime temperatures of 32°C (90°F) and nighttime lows of 25°C (77°F), September in Nam Định brings very high temperatures during the day. Do keep in mind that September is part of the rainy season, with frequent and often heavy rainfall.
Rainfall in Nam Định in September
As part of the rainy season, Nam Định sees around 14 days of rain in September, with an average of 297 mm (12 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours, often in the late afternoon.
Temperature in Nam Định in September
In September, expect very high temperatures in Nam Định, with highs of 32°C (90°F) and lows of 25°C (77°F) at night. It's usually most comfortable outside during the morning and later in the day. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Nam Định in September
The month brings about 177 hours of sunlight, offering a comfortable mix of sun and rainy moments.September in Nam Định has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Vietnam, check out our Nam Định's climate page.
Nam Định Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
32°C (90°F)
Chance of Rain
47%
Precipitation
297 mm (12 in)
Rainy days
14 days
Humidity
85%
Sunshine
177 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Nam Định typically stay consistent throughout September, with daily highs averaging around 32°C (90°F). Nights are warm, with lows typically ranging from 24°C (75°F) to 26°C (79°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Nam Định in September
Browse day-by-day weather records for Nam Định spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Nam Định historical weather extremes in September
According to our 49 years of weather records for Nam Định, the following extremes were recorded between 1976 and 2025.
- The warmest day in September was on September 5, 2024, with a maximum of 37°C (99°F).
- The coldest September day was on September 26, 1997, with a maximum of 19°C (66°F).
- Nam Định registered its coldest September night on September 27, 1997, with temperatures dropping to 17°C (63°F).
Best Places in Vietnam in September
Find out more about the weather in Vietnam and which places have the best travel conditions in this month. See all of Vietnam in September →
perfect weather
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What to Wear in Nam Định in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Nam Định in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Vietnam, check out our Nam Định's climate page.
Temperature Rainfall Sunshine Humidity
See the full Nam Định climate overview or explore weather in Vietnam.
