Nha Trang in September: Weather & climate information
September signals the conclusion of the peak domestic tourism season in Nha Trang, though visitors still flock in for Independence Day on September 2nd. This month also marks the onset of the rainy season, bringing noticeable changes in rainfall and reducing humidity. Nonetheless, temperatures remain warm, averaging around 28°C.
September Averages
In September, Nha Trang experiences warm temperatures ranging from 24.3°C to 29.9°C, with high humidity at 79.9%. Expect around 123.7mm of rain over 21 rainy days, and enjoy about 10.8 hours of sunshine daily.| Min Temperature | 24.3°C | Precipitation | 123.7mm |
| Max Temperature | 29.9°C | Rainy Days | 21.7 days |
| Humidity | 79.9% | Sunshine Hours | 10.8 hours |
Historical weather
September weather averages for Nha Trang in the last 14 years ( 2010 to 2024).
- 2010
- 2011
- 2012
- 2013
- 2014
- 2015
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
1 25.0°30.0° | 2 25.0°31.0° | 3 25.0°31.0° | 4 25.0°31.0° | 5 25.0°30.0° | 6 25.0°30.0° | |
7 25.0°33.0° | 8 26.0°32.0° | 9 25.0°30.0° | 10 24.0°30.0° | 11 25.0°30.0° | 12 25.0°28.0° | 13 25.0°29.0° |
14 24.0°30.0° | 15 24.0°29.0° | 16 24.0°30.0° | 17 24.0°29.0° | 18 24.0°29.0° | 19 24.0°29.0° | 20 24.0°29.0° |
21 23.0°31.0° | 22 25.0°32.0° | 23 25.0°32.0° | 24 25.0°32.0° | 25 26.0°32.0° | 26 25.0°31.0° | 27 25.0°32.0° |
28 24.0°31.0° | 29 24.0°31.0° | 30 25.0°31.0° |
Temperature Graph (°C)
The average Nha Trang temperature during September is around 26.8°C (80.24°F).
| Month | High | Low | Changes |
| August | 30.8°C (87.44°F) | 24.8°C (76.64°F) | 0.0°C (0°F) |
| September* | 29.9°C (85.82°F) | 24.3°C (75.74°F) | -0.7°C (30.74°F) |
| October | 28.4°C (83.12°F) | 23.6°C (74.48°F) | -1.1°C (30.02°F) |
Humidity Graph (%)
The average humidity in September in Nha Trang is 79.9%, which is 2.8% higher than August and 2.6% lower than October.
Rainfall Graph (mm)
Average rainfall in September in Nha Trang: 123.7mm
| August | September* | October |
| 102.3mm (+21.4mm) | 123.7mm | 224.2mm (-100.5mm) |
Rain Days Graph
Average rain days in September in Nha Trang: 21.7 days
Daylight Graph
Average daylight in September in Nha Trang: 12.2h
What to expect if you travel to Nha Trang in September 2025
In September, Nha Trang experiences a significant increase in rainfall, with precipitation levels being about four times higher than in August. While the temperatures may cool down slightly, visitors should be prepared for a wetter environment. It's advisable for tourists to carry an umbrella or raincoat during this month.
A visit to the central market is essential when exploring Nha Trang. Đầm Market remains the largest market and a key cultural landmark in the city, making it a must-see for travelers. At Đầm Market, visitors can purchase a variety of fresh seafood, local delicacies, and charming souvenirs while also getting a glimpse into the vibrant daily interactions of locals as they shop for their necessities. Be sure to try the famous Ninh Hoa grilled fermented pork, a well-loved specialty alongside the renowned swallow nest soup.
Overall, despite the rain, September is still a viable time to experience the unique charm of Nha Trang.
