Climate averages 1991–2020
Dawei weather
in September.
A warm, very wet month: the 10th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Dawei: daytime highs average 27.4°C and nights cool to about 23.4°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 516 mm of rain on roughly 29 days, which makes September a very wet month (the 9th 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 Nong Prue (148 km away). In September its highs average 29.9°C, 2.5°C warmer than Dawei, with 214 mm of rain.
Among the 49 cities listed in Myanmar, Dawei ranks 40th of 49 for the warmest September highs and 47th of 49 for the driest September (rainfall, lowest first). The mean September high of those 49 cities is 28.7°C; Dawei is 1.3°C cooler than that mean.
From September to October, average highs rise by 1.8°C to 29.2°C, and monthly rainfall falls from 516 mm to 264 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
Dawei climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 31.0°C20.2°C | 20.2°C | 13 | 2.3 | 11.411 h |
| February | 32.1°C21.3°C | 21.3°C | 13 | 2.8 | 11.712 h |
| March | 32.6°C23.0°C | 23.0°C | 48 | 8.7 | 12.012 h |
| April | 32.2°C24.4°C | 24.4°C | 120 | 16.8 | 12.412 h |
| May | 29.5°C24.5°C | 24.5°C | 374 | 28.3 | 12.813 h |
| June | 27.6°C24.0°C | 24.0°C | 577 | 29.8 | 12.913 h |
| July | 26.9°C23.6°C | 23.6°C | 715 | 30.7 | 12.913 h |
| August | 26.7°C23.5°C | 23.5°C | 734 | 30.6 | 12.613 h |
| September, selected | 27.4°C23.4°C | 23.4°C | 516 | 29.2 | 12.212 h |
| October | 29.2°C23.1°C | 23.1°C | 264 | 24.5 | 11.812 h |
| November | 30.4°C22.0°C | 22.0°C | 50 | 7.4 | 11.511 h |
| December | 30.5°C20.6°C | 20.6°C | 9.8 | 1.9 | 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
- Nong Prue in SeptemberThailand · 148 kmHigh 29.9°C · Low 23.5°C · 214 mm rain
- Ratchaburi in SeptemberThailand · 186 kmHigh 31.0°C · Low 24.6°C · 197 mm rain
- Myeik in SeptemberMyanmar · 188 kmHigh 28.2°C · Low 23.8°C · 596 mm rain
- Ban I Chang in SeptemberThailand · 189 kmHigh 31.3°C · Low 24.6°C · 236 mm rain
- Nakhon Pathom in SeptemberThailand · 202 kmHigh 31.3°C · Low 24.7°C · 236 mm rain
- Nong Khaem in SeptemberThailand · 237 kmHigh 30.9°C · Low 25.1°C · 245 mm rain
- Thawi Watthana in SeptemberThailand · 238 kmHigh 31.1°C · Low 25.0°C · 237 mm rain
- Bang Khae in SeptemberThailand · 243 kmHigh 30.9°C · Low 25.2°C · 237 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 Dawei) is explained once on the Dawei year overview and on the Sources, method and limits page.