September Weather in Nomgon, Mongolia

Last updated: August 28, 2025

In Nomgon, Mongolia, the average temperature for the month of September hovers around 12°C (54°F). Be prepared for a temperature range that can dip to a minimum of -4°C (25°F) and soar to a maximum of 32°C (90°F). During this time, expect about 45 mm (1.8 in) of precipitation spread over 7 days, with a comfortable average humidity of 78%.

September Temperature in Nomgon

In September in Nomgon, the average temperature is 12°C (54°F), with maximums soaring up to 32°C (90°F) and minimums dropping as low as -4°C (25°F). Travelers should be prepared for a wide range of temperatures and plan their wardrobe accordingly.

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

The chart illustrates September temperature patterns in Nomgon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nomgon, September typically has an average temperature of 12°C (54°F), with highs reaching up to 32°C (90°F) and lows dropping to around -4°C (25°F).

Data source: Temperature data for Nomgon generated using information from the Copernicus Climate Change Service.

September Precipitation in Nomgon

In Nomgon in September, the precipitation amount is 45 mm (1.8 in) spread over a duration of 7 days.

September Precipitation Trends in Nomgon

The chart displays monthly precipitation patterns in Nomgon, 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 Nomgon, September typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 7 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Nomgon

In Nomgon in September humidity is 78%. With an average temperature of 12°C (54°F), this humidity feels like a damp chill settling in, making travel a bit uncomfortable as the air clings to your skin, leaving you feeling cooler than the thermometer suggests.

September Average Humidity in Nomgon

This chart illustrates the average monthly humidity levels in Nomgon, 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 Nomgon is approximately 78%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Nomgon

In Nomgon in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Nomgon, you can refer to this Hourly UV Index in Nomgon.

Maximum UV Index Levels in Nomgon for September

The chart shows the monthly maximum UV Index (UVI) for Nomgon 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 Nomgon typically reaches 6, which falls under the high exposure category.

Data source: Nomgon 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 Nomgon Compares to Other Months

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

This table compares monthly weather conditions in Nomgon, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-19°C (-1°F)	3 mm (0.1 inches)	95%	low
February Weather	-16°C (4°F)	4 mm (0.2 inches)	87%	moderate
March Weather	-3°C (26°F)	8 mm (0.3 inches)	70%	moderate
April Weather	6°C (43°F)	16 mm (0.6 inches)	65%	high
May Weather	13°C (55°F)	27 mm (1.1 inches)	60%	very high
June Weather	20°C (68°F)	47 mm (1.8 inches)	66%	very high
July Weather	21°C (71°F)	74 mm (2.9 inches)	74%	very high
August Weather	19°C (66°F)	77 mm (3.0 inches)	75%	very high
September Weather	12°C (54°F)	45 mm (1.8 inches)	78%	high
October Weather	2°C (37°F)	22 mm (0.8 inches)	76%	moderate
November Weather	-7°C (19°F)	10 mm (0.4 inches)	79%	low
December Weather	-16°C (4°F)	4 mm (0.1 inches)	95%	low