When to go · Trashigang
Trashigang in September
Mixed month. Outside the best window (Mar–May, Oct–Nov). Across Bhutan: Rain eases late in the month; Thimphu Tshechu in some years.
Key facts
- Verdict
- Mixed
- Temperature
- 22°C (72°F)72°F (22°C) / 9°C (48°F)48°F (9°C)
- average high / low
- Rain days
- 9
- Crowds
- Medium
- Bhutan overall
- Prices
- Medium
- Bhutan overall
Verdict
Outside the best window (Mar–May, Oct–Nov). Across Bhutan: Rain eases late in the month; Thimphu Tshechu in some years.
Is another month better than September?
September is rated mixed. These months rate higher:
Weather in September
- TrashigangHighs around 22 °C (72 °F), lows around 9 °C (48 °F), rain on about 9 daysHighs around 72 °F (22 °C), lows around 48 °F (9 °C), rain on about 9 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 Trashigang, side by side.
Verdict
Sep: Mixed
Mar: Great (better)
Daytime high
Sep: 22 °C (72 °F)72 °F (22 °C)
Mar: 18 °C (64 °F)64 °F (18 °C)
Night low
Sep: 9 °C (48 °F)48 °F (9 °C)
Mar: 4 °C (39 °F)39 °F (4 °C)
Rain days
Sep: 9
Mar: 8 (better)
Crowds
Sep: Medium
Mar: Medium
Prices
Sep: Medium
Mar: Medium
Festivals listed
Sep: 1
Mar: 1
September: Outside the best window (Mar–May, Oct–Nov). Across Bhutan: Rain eases late in the month; Thimphu Tshechu in some years.
March: Inside Trashigang's best window: Mar–May, Oct–Nov.
Trashigang: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings