Mai Weather in September
Mai in September
The short of it: Mai in September averages a high of 30 °C (87 °F) and a low of 23 °C (73 °F), with 325 mm (12.8 in) of rain and about 12 h 13 min of daylight. Rated 2 of 5 for a visit; the best months are January and December. Source: TerraClimate climate normals, 1991–2020.
Average high 30° · low 23° · rain 325 mm · daylight 12 h 13 min
✦✦ Travel with care for a visit · best months: January & December
Thirty years of records give Mai an average September high of 30°, a low of 23° and some 325 mm of rain. Days run hot, near 30° in the afternoon; ride early and rest at noon. Wet spells are common — about 325 mm, the 4th wettest month.
The sun is up for about 12 h 13 min in mid-September, 32 minutes less than a month before.
For the traveller: pack linen, a wide hat and water, and an oilskin besides. The Almanac rates September 2 of 5 for a visit; the finest months here are January and December.
Against its neighbours, Mai runs cooler than most and drier than most in September. Ban Dansavan, 14 km to the WSW, is 1° warmer by day.
September in Mai, by the numbers
- Warmth rank
- 6th warmest of 12
- Rain rank
- 4th wettest of 12
- Versus August
- about the same, 168 mm less rain
- Versus October
- 1° warmer
- Day–night spread
- 7°
- Snow season
- seldom any
- Daylight, mid-month
- 12 h 13 min
- Average wind
- 4 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| Ban DansavanVientiane | 14 km WSW | 32° | 24° | 321 mm |
| DonesayoudoomVientiane | 16 km NNW | 31° | 24° | 368 mm |
| Muang Phôn-HôngVientiane | 28 km W | 32° | 24° | 317 mm |
| Ban VangluangOther | 39 km ENE | 31° | 23° | 357 mm |
| Vang ViengVientiane | 55 km NNW | 31° | 23° | 437 mm |
| VientianeVientiane Prefecture | 58 km S | 32° | 24° | 258 mm |
| Si Chiang MaiNong Khai | 60 km S | 32° | 24° | 250 mm |
| SangkhomNong Khai | 63 km SW | 32° | 24° | 214 mm |