Nam Som in September
5.4out of 10
Not the best time
Hot: daytime highs around 31°C. Very wet: about 24 rainy days.
31°CAvg high
24°CAvg low
24Rainy days (265 mm)
12:06 hDaylight
06:03Sunrise · 18:08 Sunset
Why this score
- Hot: daytime highs around 31°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 (±3.1 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 | 16°C | 11 mm | 2 | – | – | 8.9 |
| February | 31°C | 18°C | 14 mm | 3 | – | – | 8.0 |
| March | 34°C | 21°C | 39 mm | 7 | – | – | 6.8 |
| April | 35°C | 24°C | 79 mm | 13 | – | – | 5.7 |
| May | 33°C | 25°C | 238 mm | 23 | – | – | 4.9 |
| June | 33°C | 25°C | 230 mm | 23 | – | – | 5.1 |
| July | 32°C | 25°C | 270 mm | 25 | – | – | 5.3 |
| August | 31°C | 25°C | 325 mm | 26 | – | – | 5.5 |
| September | 31°C | 24°C | 265 mm | 24 | – | – | 5.4 |
| October | 31°C | 23°C | 103 mm | 12 | – | – | 6.8 |
| November | 30°C | 20°C | 22 mm | 3 | – | – | 8.4 |
| December | 28°C | 16°C | 9 mm | 1 | – | – | 8.9 |
Frequently asked questions
How hot is Nam Som in September?
Daytime highs average 31°C and nights about 24°C.
When is the best time to visit Nam Som?
The best months are January, December, November.