Udon Thani in September
5.4out of 10
Not the best time
Hot: daytime highs around 32°C. Very wet: about 24 rainy days.
32°CAvg high
25°CAvg low
24Rainy days (275 mm)
12:06 hDaylight
06:00Sunrise · 18:06 Sunset
Why this score
- Hot: daytime highs around 32°C
- Very wet: about 24 rainy days
What to wear and pack
- Light, breathable clothing
- Shorts or a light skirt
- Rain jacket or compact umbrella
- Sunscreen, sunglasses and a hat
How reliable is the forecast?
Rain in September varies a lot between years (±3.4 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 29°C | 17°C | 8 mm | 1 | – | – | 8.8 |
| February | 32°C | 18°C | 14 mm | 3 | – | – | 8.0 |
| March | 34°C | 22°C | 31 mm | 6 | – | – | 6.9 |
| April | 36°C | 25°C | 62 mm | 10 | – | – | 5.9 |
| May | 34°C | 25°C | 213 mm | 22 | – | – | 4.7 |
| June | 33°C | 26°C | 221 mm | 23 | – | – | 5.0 |
| July | 32°C | 25°C | 268 mm | 25 | – | – | 5.2 |
| August | 32°C | 25°C | 332 mm | 27 | – | – | 5.4 |
| September | 32°C | 25°C | 275 mm | 24 | – | – | 5.4 |
| October | 31°C | 23°C | 94 mm | 12 | – | – | 6.8 |
| November | 30°C | 20°C | 19 mm | 3 | – | – | 8.3 |
| December | 29°C | 17°C | 6 mm | 1 | – | – | 9.0 |
Frequently asked questions
How hot is Udon Thani in September?
Daytime highs average 32°C and nights about 25°C.
When is the best time to visit Udon Thani?
The best months are December, January.