Climate averages 1991–2020
Hà Tĩnh weather
in September.
A hot, very wet month: the 5th warmest 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 Tĩnh: daytime highs average 29.3°C and nights cool to about 24.6°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 391 mm of rain on roughly 19 days, which makes September a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 15 min on an average September day.
The nearest other city in this atlas is Vinh (43 km away). In September its highs average 29.9°C, 0.6°C warmer than Hà Tĩnh, with 330 mm of rain.
Among the 136 cities listed in Vietnam, Hà Tĩnh ranks joint 111th of 136 for the warmest September highs and 135th of 136 for the driest September (rainfall, lowest first). The mean September high of those 136 cities is 29.7°C; Hà Tĩnh is 0.4°C cooler than that mean.
From September to October, average highs fall by 2.6°C to 26.7°C, and monthly rainfall rises from 391 mm to 538 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 Tĩnh climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 20.7°C16.1°C | 16.1°C | 103 | 15.1 | 11.211 h |
| February | 22.4°C17.3°C | 17.3°C | 68 | 12.2 | 11.512 h |
| March | 25.7°C19.8°C | 19.8°C | 69 | 10.1 | 12.012 h |
| April | 29.1°C22.6°C | 22.6°C | 77 | 10.5 | 12.513 h |
| May | 31.2°C25.0°C | 25.0°C | 118 | 13.6 | 13.013 h |
| June | 32.9°C26.7°C | 26.7°C | 71 | 8.0 | 13.213 h |
| July | 32.7°C26.7°C | 26.7°C | 126 | 9.6 | 13.113 h |
| August | 31.6°C26.1°C | 26.1°C | 190 | 13.8 | 12.713 h |
| September, selected | 29.3°C24.6°C | 24.6°C | 391 | 19.1 | 12.312 h |
| October | 26.7°C22.4°C | 22.4°C | 538 | 22.5 | 11.712 h |
| November | 24.3°C19.9°C | 19.9°C | 272 | 18.3 | 11.311 h |
| December | 21.0°C17.0°C | 17.0°C | 166 | 17.4 | 11.111 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
- Vinh in SeptemberVietnam · 43 kmHigh 29.9°C · Low 25.0°C · 330 mm rain
- Kỳ Anh in SeptemberVietnam · 52 kmHigh 29.8°C · Low 25.4°C · 312 mm rain
- Ba Đồn in SeptemberVietnam · 85 kmHigh 29.6°C · Low 25.1°C · 366 mm rain
- Hoàng Mai in SeptemberVietnam · 105 kmHigh 29.9°C · Low 24.8°C · 293 mm rain
- Nghi Sơn in SeptemberVietnam · 110 kmHigh 29.3°C · Low 24.4°C · 293 mm rain
- Đồng Hới in SeptemberVietnam · 123 kmHigh 29.4°C · Low 25.5°C · 345 mm rain
- Thakhèk in SeptemberLaos · 154 kmHigh 29.4°C · Low 23.1°C · 317 mm rain
- Sầm Sơn in SeptemberVietnam · 155 kmHigh 29.5°C · Low 25.2°C · 368 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 Tĩnh) is explained once on the Hà Tĩnh year overview and on the Sources, method and limits page.