Thimphu weather in September
September in Thimphu: nice, soaked, with clean air — a great time to visit.
#10 of 12 months in Thimphu · #427 of 604 destinations to visit in September · comfort 70/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Thimphu climate normals — September
| Daytime high | 21°C / 69°F | 😎 nice |
|---|---|---|
| Nighttime low | 14°C / 57°F | |
| Feels like (high) | 22°C / 72°F | |
| Rainfall | 309 mm / 12.1 in | ⛈ soaked |
| Rainy days | 28 days | |
| Humidity | 88% | 💦 very humid |
| Dew point | 15°C / 58°F | |
| Sunshine | 7.2 h/day | |
| Daylight | 12.3 h | |
| Wind | 6 km/h / 4 mph | |
| Air quality (US AQI) | 31 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Thimphu?
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Thimphu in September — FAQ
- Is September a good time to visit Thimphu?
- September in Thimphu: nice, soaked, with clean air — a great time to visit. It ranks #10 of 12 months for Thimphu on SeasonMap's comfort score (70/100).
- What is the weather like in Thimphu in September?
- In September, Thimphu averages a daily high of 20.7°C and a low of 13.7°C, with about 308.6 mm of rain over roughly 27.6 rainy days.
- What is the air quality in Thimphu in September?
- Thimphu has a mean US Air Quality Index of about 31 in September.