Climate averages 1991–2020
Hà Tiên weather
in September.
A hot, very wet month: one of the coolest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Hà Tiên: daytime highs average 29.0°C and nights cool to about 25.1°C. By daytime temperature it is one of the coolest months of the year.
Expect about 239 mm of rain on roughly 27 days, which makes September a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 11 min on an average September day.
The nearest other city in this atlas is Phú Quốc (53 km away). In September its highs average 26.7°C, 2.3°C cooler than Hà Tiên, with 393 mm of rain.
Among the 136 cities listed in Vietnam, Hà Tiên ranks joint 118th of 136 for the warmest September highs and joint 44th of 136 for the driest September (rainfall, lowest first). The mean September high of those 136 cities is 29.7°C; Hà Tiên is 0.6°C cooler than that mean.
From September to October, average highs rise by 0.5°C to 29.6°C, and monthly rainfall rises from 239 mm to 284 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
Hà Tiên climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.4°C22.9°C | 22.9°C | 26 | 5.6 | 11.612 h |
| February | 31.6°C23.7°C | 23.7°C | 21 | 4.2 | 11.812 h |
| March | 32.5°C25.0°C | 25.0°C | 63 | 9.9 | 12.112 h |
| April | 32.2°C25.8°C | 25.8°C | 113 | 18.7 | 12.412 h |
| May | 30.8°C26.1°C | 26.1°C | 182 | 26.6 | 12.613 h |
| June | 29.6°C25.8°C | 25.8°C | 198 | 26.1 | 12.713 h |
| July | 29.1°C25.4°C | 25.4°C | 208 | 27.5 | 12.713 h |
| August | 29.0°C25.3°C | 25.3°C | 195 | 27.0 | 12.512 h |
| September, selected | 29.0°C25.1°C | 25.1°C | 239 | 27.0 | 12.212 h |
| October | 29.6°C24.3°C | 24.3°C | 284 | 27.0 | 11.912 h |
| November | 29.9°C23.8°C | 23.8°C | 115 | 15.0 | 11.712 h |
| December | 29.8°C23.1°C | 23.1°C | 47 | 8.2 | 11.512 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
- Phú Quốc in SeptemberVietnam · 53 kmHigh 26.7°C · Low 24.7°C · 393 mm rain
- Tịnh Biên in SeptemberVietnam · 55 kmHigh 30.3°C · Low 24.6°C · 294 mm rain
- Takeo in SeptemberCambodia · 75 kmHigh 30.6°C · Low 24.2°C · 221 mm rain
- Rạch Giá in SeptemberVietnam · 77 kmHigh 29.0°C · Low 24.9°C · 352 mm rain
- Châu Đốc in SeptemberVietnam · 77 kmHigh 30.4°C · Low 24.4°C · 271 mm rain
- Tân Châu in SeptemberVietnam · 94 kmHigh 30.7°C · Low 24.5°C · 254 mm rain
- Vĩnh Thạnh in SeptemberVietnam · 101 kmHigh 29.9°C · Low 24.5°C · 265 mm rain
- Long Xuyên in SeptemberVietnam · 104 kmHigh 30.1°C · Low 24.6°C · 260 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 Hà Tiên) is explained once on the Hà Tiên year overview and on the Sources, method and limits page.