Climate averages 1991–2020
Pakse weather
in September.
A hot, very wet month: the coolest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Pakse: daytime highs average 28.8°C and nights cool to about 23.3°C. By daytime temperature it is the coolest month of the year.
Expect about 334 mm of rain on roughly 27 days, which makes September a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 14 min on an average September day.
The nearest other city in this atlas is Ubon Ratchathani (103 km away). In September its highs average 29.9°C, 1.1°C warmer than Pakse, with 273 mm of rain.
Among the 4 cities listed in Laos, Pakse ranks 4th of 4 for the warmest September highs and 4th of 4 for the driest September (rainfall, lowest first). The mean September high of those 4 cities is 29.3°C; Pakse is 0.5°C cooler than that mean.
From September to October, average highs rise by 0.3°C to 29.1°C, and monthly rainfall falls from 334 mm to 139 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
Pakse climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.5°C19.1°C | 19.1°C | 1.9 | 0.7 | 11.311 h |
| February | 32.2°C20.4°C | 20.4°C | 3.9 | 1.2 | 11.612 h |
| March | 33.7°C22.9°C | 22.9°C | 24 | 4.4 | 12.012 h |
| April | 33.9°C24.4°C | 24.4°C | 53 | 10.0 | 12.512 h |
| May | 31.9°C24.6°C | 24.6°C | 190 | 22.1 | 12.813 h |
| June | 30.1°C24.1°C | 24.1°C | 317 | 26.6 | 13.013 h |
| July | 29.3°C23.7°C | 23.7°C | 443 | 29.2 | 12.913 h |
| August | 29.1°C23.6°C | 23.6°C | 444 | 29.3 | 12.613 h |
| September, selected | 28.8°C23.3°C | 23.3°C | 334 | 26.9 | 12.212 h |
| October | 29.1°C22.3°C | 22.3°C | 139 | 17.0 | 11.812 h |
| November | 29.7°C20.7°C | 20.7°C | 34 | 5.0 | 11.411 h |
| December | 29.5°C19.1°C | 19.1°C | 5.8 | 1.3 | 11.211 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
- Ubon Ratchathani in SeptemberThailand · 103 kmHigh 29.9°C · Low 23.8°C · 273 mm rain
- Savannakhet in SeptemberLaos · 196 kmHigh 29.4°C · Low 23.3°C · 257 mm rain
- Phong Điền (Thua Thien Hue Province), Vietnam in SeptemberVietnam · 233 kmHigh 29.5°C · Low 25.0°C · 349 mm rain
- Ðông Hà in SeptemberVietnam · 234 kmHigh 29.9°C · Low 24.7°C · 298 mm rain
- Hương Trà in SeptemberVietnam · 238 kmHigh 29.5°C · Low 24.7°C · 344 mm rain
- Huế in SeptemberVietnam · 243 kmHigh 29.5°C · Low 25.0°C · 344 mm rain
- Hương Thủy in SeptemberVietnam · 244 kmHigh 29.7°C · Low 24.6°C · 305 mm rain
- Kon Tum in SeptemberVietnam · 252 kmHigh 26.9°C · Low 20.5°C · 267 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 Pakse) is explained once on the Pakse year overview and on the Sources, method and limits page.