Climate averages 1991–2020
Nha Trang weather
in September.
A hot, wet month: the 6th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Nha Trang: daytime highs average 30.3°C and nights cool to about 25.3°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 177 mm of rain on roughly 24 days, which makes September a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 12 min on an average September day.
The nearest other city in this atlas is Ninh Hòa (28 km away). In September its highs average 31.5°C, 1.3°C warmer than Nha Trang, with 189 mm of rain.
Among the 136 cities listed in Vietnam, Nha Trang ranks joint 28th of 136 for the warmest September highs and 7th of 136 for the driest September (rainfall, lowest first). The mean September high of those 136 cities is 29.7°C; Nha Trang is 0.6°C warmer than that mean.
From September to October, average highs fall by 2.0°C to 28.3°C, and monthly rainfall rises from 177 mm to 280 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Nha Trang climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 25.6°C21.7°C | 21.7°C | 90 | 12.2 | 11.511 h |
| February | 26.9°C22.0°C | 22.0°C | 39 | 7.4 | 11.712 h |
| March | 28.9°C23.2°C | 23.2°C | 50 | 8.4 | 12.112 h |
| April | 30.7°C24.9°C | 24.9°C | 52 | 8.7 | 12.412 h |
| May | 31.7°C26.1°C | 26.1°C | 102 | 16.1 | 12.713 h |
| June | 31.8°C26.5°C | 26.5°C | 86 | 17.4 | 12.813 h |
| July | 31.6°C26.3°C | 26.3°C | 89 | 20.4 | 12.813 h |
| August | 31.6°C26.1°C | 26.1°C | 98 | 20.0 | 12.513 h |
| September, selected | 30.3°C25.3°C | 25.3°C | 177 | 24.2 | 12.212 h |
| October | 28.3°C24.2°C | 24.2°C | 280 | 25.1 | 11.912 h |
| November | 27.0°C23.5°C | 23.5°C | 332 | 21.2 | 11.612 h |
| December | 25.6°C22.4°C | 22.4°C | 276 | 19.4 | 11.411 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Ninh Hòa in SeptemberVietnam · 28 kmHigh 31.5°C · Low 25.3°C · 189 mm rain
- Cam Ranh in SeptemberVietnam · 36 kmHigh 30.6°C · Low 25.8°C · 160 mm rain
- Phan Rang-Tháp Chàm in SeptemberVietnam · 79 kmHigh 30.6°C · Low 24.4°C · 182 mm rain
- Ðà Lạt in SeptemberVietnam · 88 kmHigh 22.6°C · Low 16.5°C · 291 mm rain
- Tuy Hòa in SeptemberVietnam · 96 kmHigh 30.4°C · Low 25.8°C · 163 mm rain
- Đưc Trọng in SeptemberVietnam · 106 kmHigh 26.0°C · Low 19.4°C · 231 mm rain
- Huyện Lâm Hà in SeptemberVietnam · 117 kmHigh 25.3°C · Low 19.1°C · 231 mm rain
- Buôn Hồ in SeptemberVietnam · 125 kmHigh 26.8°C · Low 20.7°C · 297 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Nha Trang) is explained once on the Nha Trang year overview and on the Sources, method and limits page.