Climate averages 1991–2020
Pyay weather
in September.
A hot, very wet month: the 7th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Pyay: daytime highs average 29.9°C and nights cool to about 24.4°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 234 mm of rain on roughly 26 days, which makes September a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 16 min on an average September day.
The nearest other city in this atlas is Thayetmyo (56 km away). In September its highs average 30.1°C, about as warm as Pyay, with 228 mm of rain.
Among the 49 cities listed in Myanmar, Pyay ranks joint 11th of 49 for the warmest September highs and 20th of 49 for the driest September (rainfall, lowest first). The mean September high of those 49 cities is 28.7°C; Pyay is 1.1°C warmer than that mean.
From September to October, average highs rise by 0.4°C to 30.2°C, and monthly rainfall falls from 234 mm to 122 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
Pyay climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.0°C16.9°C | 16.9°C | 7.3 | 0.5 | 11.111 h |
| February | 32.0°C18.3°C | 18.3°C | 0.7 | 0.1 | 11.512 h |
| March | 35.6°C21.2°C | 21.2°C | 4.2 | 0.8 | 12.012 h |
| April | 37.5°C24.5°C | 24.5°C | 16 | 2.2 | 12.613 h |
| May | 34.3°C25.8°C | 25.8°C | 133 | 17.6 | 13.013 h |
| June | 30.1°C25.1°C | 25.1°C | 319 | 28.3 | 13.213 h |
| July | 29.3°C24.7°C | 24.7°C | 313 | 29.8 | 13.113 h |
| August | 29.3°C24.6°C | 24.6°C | 293 | 29.5 | 12.813 h |
| September, selected | 29.9°C24.4°C | 24.4°C | 234 | 26.4 | 12.312 h |
| October | 30.2°C24.0°C | 24.0°C | 122 | 16.9 | 11.712 h |
| November | 29.7°C21.8°C | 21.8°C | 26 | 3.8 | 11.311 h |
| December | 28.5°C18.7°C | 18.7°C | 4.1 | 0.8 | 11.011 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
- Thayetmyo in SeptemberMyanmar · 56 kmHigh 30.1°C · Low 24.4°C · 228 mm rain
- Thandwe in SeptemberMyanmar · 98 kmHigh 28.3°C · Low 24.1°C · 477 mm rain
- Taungoo in SeptemberMyanmar · 129 kmHigh 28.8°C · Low 23.5°C · 247 mm rain
- Hinthada in SeptemberMyanmar · 133 kmHigh 29.9°C · Low 24.4°C · 263 mm rain
- Taungdwingyi in SeptemberMyanmar · 136 kmHigh 29.7°C · Low 23.7°C · 217 mm rain
- Nay Pyi Taw in SeptemberMyanmar · 141 kmHigh 29.3°C · Low 23.3°C · 212 mm rain
- Pyinmana in SeptemberMyanmar · 146 kmHigh 29.4°C · Low 23.5°C · 212 mm rain
- Magway in SeptemberMyanmar · 151 kmHigh 30.6°C · Low 24.6°C · 214 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 Pyay) is explained once on the Pyay year overview and on the Sources, method and limits page.