Climate averages 1991–2020
Nakhon Ratchasima weather
in September.
A hot, very wet month: the 8th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Nakhon Ratchasima: daytime highs average 30.3°C and nights cool to about 23.7°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 231 mm of rain on roughly 25 days, which makes September a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 14 min on an average September day.
The nearest other city in this atlas is Kabin Buri (121 km away). In September its highs average 29.7°C, 0.6°C cooler than Nakhon Ratchasima, with 283 mm of rain.
Among the 46 cities listed in Thailand, Nakhon Ratchasima ranks 27th of 46 for the warmest September highs and 12th of 46 for the driest September (rainfall, lowest first). The mean September high of those 46 cities is 30.3°C; Nakhon Ratchasima is level with that mean.
From September to October, average highs fall by 0.8°C to 29.6°C, and monthly rainfall falls from 231 mm to 138 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
Nakhon Ratchasima climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.9°C18.9°C | 18.9°C | 6.7 | 1.7 | 11.311 h |
| February | 32.3°C20.8°C | 20.8°C | 8.7 | 1.7 | 11.612 h |
| March | 34.3°C23.5°C | 23.5°C | 38 | 6.7 | 12.012 h |
| April | 35.0°C25.0°C | 25.0°C | 69 | 12.6 | 12.512 h |
| May | 33.5°C25.2°C | 25.2°C | 140 | 20.0 | 12.813 h |
| June | 32.8°C25.2°C | 25.2°C | 118 | 19.4 | 13.013 h |
| July | 32.0°C24.8°C | 24.8°C | 125 | 21.0 | 12.913 h |
| August | 31.3°C24.5°C | 24.5°C | 161 | 22.7 | 12.613 h |
| September, selected | 30.3°C23.7°C | 23.7°C | 231 | 24.5 | 12.212 h |
| October | 29.6°C22.5°C | 22.5°C | 138 | 16.4 | 11.812 h |
| November | 29.4°C20.9°C | 20.9°C | 29 | 4.8 | 11.411 h |
| December | 28.9°C19.1°C | 19.1°C | 5.3 | 1.3 | 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
- Kabin Buri in SeptemberThailand · 121 kmHigh 29.7°C · Low 23.6°C · 283 mm rain
- Si Maha Phot in SeptemberThailand · 128 kmHigh 29.9°C · Low 23.7°C · 308 mm rain
- Paoy Paet in SeptemberCambodia · 154 kmHigh 30.0°C · Low 24.0°C · 237 mm rain
- Khon Kaen in SeptemberThailand · 182 kmHigh 30.1°C · Low 23.8°C · 237 mm rain
- Nong Chok in SeptemberThailand · 182 kmHigh 30.9°C · Low 24.6°C · 254 mm rain
- Khlong Luang in SeptemberThailand · 186 kmHigh 31.2°C · Low 24.7°C · 284 mm rain
- Khlong Sam Wa in SeptemberThailand · 191 kmHigh 31.0°C · Low 24.7°C · 254 mm rain
- Sai Mai in SeptemberThailand · 196 kmHigh 31.0°C · Low 24.7°C · 284 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 Nakhon Ratchasima) is explained once on the Nakhon Ratchasima year overview and on the Sources, method and limits page.