Climate averages 1991–2020
An Nhơn weather
in September.
A hot, very wet month: the 5th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in An Nhơn: daytime highs average 31.7°C and nights cool to about 24.9°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 202 mm of rain on roughly 22 days, which makes September a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 13 min on an average September day.
The nearest other city in this atlas is Qui Nhon (17 km away). In September its highs average 31.0°C, 0.7°C cooler than An Nhơn, with 226 mm of rain.
Among the 136 cities listed in Vietnam, An Nhơn ranks 1st of 136 for the warmest September highs and joint 16th of 136 for the driest September (rainfall, lowest first). The mean September high of those 136 cities is 29.7°C; An Nhơn is 2.0°C warmer than that mean.
From September to October, average highs fall by 3.2°C to 28.5°C, and monthly rainfall rises from 202 mm to 277 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
An Nhơn climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 25.0°C20.0°C | 20.0°C | 69 | 13.8 | 11.411 h |
| February | 26.4°C20.4°C | 20.4°C | 35 | 8.7 | 11.712 h |
| March | 28.8°C21.9°C | 21.9°C | 47 | 9.3 | 12.012 h |
| April | 31.4°C23.8°C | 23.8°C | 58 | 10.4 | 12.412 h |
| May | 33.2°C25.5°C | 25.5°C | 122 | 17.9 | 12.813 h |
| June | 33.8°C26.2°C | 26.2°C | 80 | 15.3 | 12.913 h |
| July | 33.8°C26.1°C | 26.1°C | 82 | 15.3 | 12.913 h |
| August | 33.6°C26.0°C | 26.0°C | 98 | 16.1 | 12.613 h |
| September, selected | 31.7°C24.9°C | 24.9°C | 202 | 22.0 | 12.212 h |
| October | 28.5°C23.6°C | 23.6°C | 277 | 25.0 | 11.812 h |
| November | 26.7°C22.6°C | 22.6°C | 318 | 22.1 | 11.511 h |
| December | 25.0°C21.2°C | 21.2°C | 197 | 20.2 | 11.311 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
- Qui Nhon in SeptemberVietnam · 17 kmHigh 31.0°C · Low 25.3°C · 226 mm rain
- Sông Cầu in SeptemberVietnam · 49 kmHigh 31.2°C · Low 25.7°C · 215 mm rain
- An Khê in SeptemberVietnam · 50 kmHigh 28.8°C · Low 22.2°C · 209 mm rain
- Tuy Hòa in SeptemberVietnam · 91 kmHigh 30.4°C · Low 25.8°C · 163 mm rain
- Đức Phổ in SeptemberVietnam · 104 kmHigh 30.6°C · Low 25.2°C · 246 mm rain
- Pleiku in SeptemberVietnam · 120 kmHigh 25.9°C · Low 20.3°C · 389 mm rain
- Kon Tum in SeptemberVietnam · 130 kmHigh 26.9°C · Low 20.5°C · 267 mm rain
- Buôn Hồ in SeptemberVietnam · 136 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 An Nhơn) is explained once on the An Nhơn year overview and on the Sources, method and limits page.