Monthly climate guide
Thimphu weather in September
With highs near 15°C (60°F) and lows around 8°C (46°F), September feels mild in Thimphu. Rainfall averages about 166 mm (very wet) and the sky is often cloudy. Daytime highs are about the same as August and 3°C warmer than October.
What stands out in September
- September brings early autumn to Thimphu.
- It's wetter than a typical month in Thimphu — roughly 69% more rain than average.
Avg high
15°C
60°F
Avg low
8°C
46°F
Rainfall
166 mm
very wet
Humidity
90%
relative
Sky
80%
cloud · often cloudy
Thimphu weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 5°C / 41°F | -7°C / 20°F | 5 mm | 69% | 55% |
| February | 7°C / 45°F | -5°C / 23°F | 15 mm | 68% | 59% |
| March | 9°C / 49°F | -3°C / 26°F | 40 mm | 72% | 66% |
| April | 12°C / 53°F | 0°C / 32°F | 74 mm | 75% | 73% |
| May | 15°C / 58°F | 4°C / 39°F | 132 mm | 80% | 77% |
| June | 17°C / 62°F | 8°C / 47°F | 187 mm | 85% | 81% |
| July | 17°C / 62°F | 9°C / 49°F | 289 mm | 90% | 86% |
| August | 16°C / 62°F | 9°C / 48°F | 228 mm | 89% | 84% |
| September | 15°C / 60°F | 8°C / 46°F | 166 mm | 90% | 80% |
| October | 13°C / 55°F | 3°C / 38°F | 39 mm | 83% | 61% |
| November | 10°C / 50°F | -1°C / 30°F | 2 mm | 77% | 50% |
| December | 7°C / 45°F | -4°C / 25°F | 3 mm | 69% | 49% |
What to pack for September
- A warm sweater or fleece for layering
- A mid-weight jacket
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is September a good time to visit Thimphu?
Compare the months in the chart above to find your ideal window.
Best time to visit Thimphu →Cite or embed this data
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Thimphu weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/bhutan/thimphu/september
<a href="https://weathercompare.eu/weather/bhutan/thimphu/september">Thimphu weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/bhutan/thimphu" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Thimphu weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/bhutan/thimphu/september">Thimphu weather in September</a> – WeatherCompare</p>
Thimphu in September: quick answers
Is September a good time to visit Thimphu?
September is one of the wetter months in Thimphu, with about 166 mm of rain. You can still go: pack a rain jacket and keep plans flexible.
How warm is Thimphu in September?
Average highs are about 15°C (60°F) and average lows about 8°C (46°F), based on 10 years of daily data.
Does it rain a lot in Thimphu in September?
Thimphu typically gets around 166 mm of rain in September — very wet.
Figures are long-term averages for the area around Thimphu (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.