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September Weather in Mongar, Bhutan

Last updated: August 22, 2025

In September, the average temperature in Mongar, Bhutan hovers around 19°C (67°F), promising a mild yet refreshing climate. The temperature range can dip to a minimum of 13°C (56°F) and peak at a comfortable 28°C (83°F). However, be prepared for the wet conditions with an average precipitation amount of 606 mm (23.9 in) over the course of 29 days, accompanied by a high humidity level of 92%. Ideal for those who thrive in lush and vibrant surroundings!

September Temperature in Mongar

In September in Mongar, the average temperature is 19°C (67°F). Maximum temperatures can reach 28°C (83°F), and minimums can drop to as low as 13°C (56°F). This pleasant climate makes Mongar an ideal destination for travelers seeking mild weather and comfortable outdoor activities.

September Weather in Mongar: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Mongar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mongar, September typically has an average temperature of 19°C (67°F), with highs reaching up to 28°C (83°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec454752576267686967625448
Data source: Temperature data for Mongar generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Mongar

In Mongar in September, the total precipitation amount is 606 mm (23.9 in) spread over 29 days.

September Precipitation Trends in Mongar

The chart displays monthly precipitation patterns in Mongar, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Mongar, September typically receives around 606 mm (23.9 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec571303123775628159376326062266143
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mongar

In Mongar in September humidity is 92%. With an average temperature of 19°C (67°F), this humidity feels like walking through a warm, damp blanket, making travel feel sticky and exhausting.

September Average Humidity in Mongar

This chart illustrates the average monthly humidity levels in Mongar, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Mongar is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%71%50%45%76%88%93%92%92%89%86%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mongar

In Mongar in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Mongar.

Maximum UV Index Levels in Mongar for September

The chart shows the monthly maximum UV Index (UVI) for Mongar in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Mongar typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6891213141514121086
Data source: Mongar September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Mongar Compares to Other Months

Weather in Mongar varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Mongar, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Mongar, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)57 mm (2.3 inches)70%high
February Weather8°C (47°F)130 mm (5.1 inches)71%very high
March Weather11°C (53°F)312 mm (12.3 inches)50%very high
April Weather14°C (58°F)377 mm (14.8 inches)45%extreme
May Weather17°C (62°F)562 mm (22.1 inches)76%extreme
June Weather19°C (67°F)815 mm (32.1 inches)88%extreme
July Weather20°C (68°F)937 mm (36.9 inches)93%extreme
August Weather20°C (69°F)632 mm (24.9 inches)92%extreme
September Weather19°C (67°F)606 mm (23.9 inches)92%extreme
October Weather17°C (62°F)226 mm (8.9 inches)89%very high
November Weather12°C (54°F)61 mm (2.4 inches)86%very high
December Weather9°C (48°F)43 mm (1.7 inches)83%high

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