Climate averages 1991–2020
Lampang weather
in September.
A hot, very wet month: the 7th 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 Lampang: daytime highs average 29.1°C and nights cool to about 23.3°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 256 mm of rain on roughly 25 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 Chiang Mai (77 km away). In September its highs average 29.3°C, about as warm as Lampang, with 227 mm of rain.
Among the 46 cities listed in Thailand, Lampang ranks 43rd of 46 for the warmest September highs and 34th of 46 for the driest September (rainfall, lowest first). The mean September high of those 46 cities is 30.3°C; Lampang is 1.2°C cooler than that mean.
From September to October, average highs fall by 0.1°C to 29.0°C, and monthly rainfall falls from 256 mm to 126 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
Lampang climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.8°C17.7°C | 17.7°C | 11 | 1.8 | 11.211 h |
| February | 32.0°C19.6°C | 19.6°C | 5.1 | 1.0 | 11.512 h |
| March | 34.9°C22.7°C | 22.7°C | 22 | 3.0 | 12.012 h |
| April | 35.9°C24.9°C | 24.9°C | 47 | 7.8 | 12.513 h |
| May | 32.8°C24.6°C | 24.6°C | 168 | 19.4 | 13.013 h |
| June | 30.5°C24.0°C | 24.0°C | 180 | 22.9 | 13.213 h |
| July | 29.6°C23.7°C | 23.7°C | 202 | 24.6 | 13.113 h |
| August | 29.0°C23.4°C | 23.4°C | 272 | 26.7 | 12.713 h |
| September, selected | 29.1°C23.3°C | 23.3°C | 256 | 24.8 | 12.312 h |
| October | 29.0°C22.5°C | 22.5°C | 126 | 15.5 | 11.712 h |
| November | 28.9°C20.2°C | 20.2°C | 27 | 4.4 | 11.311 h |
| December | 27.8°C17.6°C | 17.6°C | 12 | 1.8 | 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
- Chiang Mai in SeptemberThailand · 77 kmHigh 29.3°C · Low 22.9°C · 227 mm rain
- Chiang Rai in SeptemberThailand · 183 kmHigh 29.0°C · Low 22.9°C · 295 mm rain
- Thaton in SeptemberMyanmar · 272 kmHigh 28.8°C · Low 24.1°C · 537 mm rain
- Mawlamyine in SeptemberMyanmar · 282 kmHigh 28.4°C · Low 24.1°C · 469 mm rain
- Mudon in SeptemberMyanmar · 294 kmHigh 28.7°C · Low 24.1°C · 488 mm rain
- Nyaunglebin in SeptemberMyanmar · 295 kmHigh 29.1°C · Low 23.7°C · 316 mm rain
- Nakhon Sawan in SeptemberThailand · 296 kmHigh 31.1°C · Low 24.6°C · 272 mm rain
- Taungoo in SeptemberMyanmar · 330 kmHigh 28.8°C · Low 23.5°C · 247 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 Lampang) is explained once on the Lampang year overview and on the Sources, method and limits page.