Thimphu Weather in September
September in Thimphu typically sees daytime highs of 26°C (79°F) and nighttime lows of 15°C (59°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Thimphu in September
Expect around 14 days of rain based on historical data, with 75 mm (3 in) average. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Thimphu in September
In September, expect high temperatures in Thimphu, with highs of 26°C (79°F) and lows of 15°C (59°F) at night. This kind of day-to-night contrast is typical for this time of year. Nights cool down to 15°C (59°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Bhutan, check out our Thimphu's climate page.
Thimphu Temperature in September
Min Temperature
15°C (59°F)
Max Temperature
26°C (79°F)
Chance of Rain
45%
Precipitation
75 mm (3 in)
Rainy days
14 days
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Thimphu typically stay consistent throughout September, with daily highs averaging around 26°C (79°F). Nights are cold, with lows typically ranging from 1°C (34°F) to 5°C (41°F).
Average temperatures in September
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Thimphu in September
Browse day-by-day weather records for Thimphu spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Thimphu historical weather extremes in September
Based on weather observations in Thimphu between 1994 and 2025, these are the recorded extremes during September.
- The hottest September day on record in Thimphu reached 31°C (88°F) (September 3, 2023).
Best Places in Bhutan in September
Find out more about the weather in Bhutan and which places have the best travel conditions in this month. See all of Bhutan in September →
perfect weather
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tolerable
unpleasant
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What to Wear in Thimphu in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket.What To Do in Thimphu in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Bhutan, check out our Thimphu's climate page.
See the full Thimphu climate overview or explore weather in Bhutan.
