When to go · Tsimasham
Tsimasham in September
Avoid month. Listed as a month to avoid: Jun–Sep (monsoon landslides on the highway).
Key facts
- Verdict
- Avoid
- Temperature
- 25°C (77°F)77°F (25°C) / 16°C (61°F)61°F (16°C)
- average high / low
- Rain days
- 18
- Crowds
- Medium
- Bhutan overall
- Prices
- Medium
- Bhutan overall
Verdict
Listed as a month to avoid: Jun–Sep (monsoon landslides on the highway).
Is another month better than September?
September is rated avoid. These months rate higher:
Weather in September
- TsimashamHighs around 25 °C (77 °F), lows around 16 °C (61 °F), rain on about 18 daysHighs around 77 °F (25 °C), lows around 61 °F (16 °C), rain on about 18 days
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Thimphu Tshechu big impact
Sep–Oct (lunar, check 2026 dates) · Bhutan
Three days of dances at Tashichho Dzong; hotels and flights full.
Crowds and prices
- Crowds · Bhutan overall
- Medium
- Prices · Bhutan overall
- Medium
Bhutan overall: Rain eases late in the month; Thimphu Tshechu in some years.
Compare two months
Weather, crowds and prices for any two months in Tsimasham, side by side.
Verdict
Sep: Avoid
Mar: Great (better)
Daytime high
Sep: 25 °C (77 °F)77 °F (25 °C)
Mar: 22 °C (72 °F)72 °F (22 °C)
Night low
Sep: 16 °C (61 °F)61 °F (16 °C)
Mar: 9 °C (48 °F)48 °F (9 °C)
Rain days
Sep: 18
Mar: 6 (better)
Crowds
Sep: Medium
Mar: Medium
Prices
Sep: Medium
Mar: Medium
Festivals listed
Sep: 1
Mar: 1
September: Listed as a month to avoid: Jun–Sep (monsoon landslides on the highway).
March: Inside Tsimasham's best window: Oct–Nov, Mar–May.
Tsimasham: figures are long-term averages from this guide, not a forecast.
What to pack
- A rain jacket or umbrella and shoes that dry fast