worldweatherThailand weather in September - temperature, rain and is it a good time to visit?
Daytime
32°
Night
25°
☀️ Day length
12 h 14 min
Chance of rain
58%
Thunder days
23%
Humid days
100%
In September, Thailand averages about 32° during the day and 25° at night. Rain is fairly likely - around a 58% chance on a given day, so pack for showers.
Thailand weather all year - average temperatures and rain
| Month | Day | Night | Chance of rain |
|---|---|---|---|
| January ★ | 30℃ | 21℃ | 20% |
| February ★ | 32℃ | 22℃ | 10% |
| March | 34℃ | 24℃ | 12% |
| April | 35℃ | 25℃ | 24% |
| May | 35℃ | 26℃ | 45% |
| June | 33℃ | 26℃ | 484% |
| July | 32℃ | 25℃ | 61% |
| August | 32℃ | 25℃ | 62% |
| September | 32℃ | 25℃ | 58% |
| October | 32℃ | 24℃ | 50% |
| November ★ | 31℃ | 24℃ | 38% |
| December ★ | 30℃ | 22℃ | 20% |
★ - months most often recommended for travel
Where is it warmest in Thailand in September? Weather by city
| Place | Day | Night | 🌊 Sea | Chance of rain |
|---|---|---|---|---|
| Bangkok | 33℃ | 25℃ | - | 79% |
| Samut Prakan | 33℃ | 25℃ | 31℃ | 79% |
| Phitsanulok | 32℃ | 25℃ | - | 47% |
| Ko Samui | 32℃ | 27℃ | 30℃ | 38% |
| Ko Pha Ngan | 32℃ | 27℃ | 30℃ | 38% |
| Chiang Mai | 32℃ | 24℃ | - | 64% |
| Phuket | 31℃ | 24℃ | 30℃ | 72% |
| Chiang Rai | 31℃ | 23℃ | - | 49% |
Travelling soon? Check the live 14-day weather forecast for Thailand.