Weathermondo.com
The weather in September in Mongolia
It's cool to moderate in September in Mongolia with an average temperature of 18°C. Temperatures this month range from a low of 11°C to a high of 24°C. At night, you can expect temperatures between -3°C and 9°C.
Looking for great weather? September is a good time to be in Mongolia. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Mongolia. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 32°C in 2023, Mongolia reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was -1°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of -12°C to a highest value of 16°C.
Precipitation and snowfall
In September, there is an average of 30 mm of precipitation, spread over 6 days. Of the total precipitation, about 2,2 cm falls as snow in September. The wind speed is around 4 Bft, mostly coming from the Southwest.
Daily weather in September for Mongolia
Click on any day in September to get detailed info about the usual weather on that day in Mongolia. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Mongolia | New York | |
|---|---|---|
| Average temperature | 18°C | 27°C |
| Max. temperature | 24°C | 31°C |
| Min. temperature | -3°C | -5°C |
| Total precipitation | 30 mm | 57 mm |
| Rainy days | 6 days | 9 days |
| Total snowfall | 2,2 cm | 0 cm |
| Snowy days | 1 day | 0 days |
Start of September
The month of September starts in Mongolia with mild temps, averaging around 21°C during the day and nights around 7°C.
Mid September
By mid-September, daytime temps drop to around 19°C, with nights around 4°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of September
By the end of September, the average daytime temperature in Mongolia is around 15°C, while nighttime temps are about 0°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
Find affordable vacations to Mongolia
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Check out the climate of Mongolia for all months and discover the best travel time
The climate in Mongolia is based on weather data from Ulaanbaatar. Other spots might have different weather. You can check out all destinations in Mongolia to get the full picture of the climate.
Temperature charts
These charts show the average temperatures in September in Mongolia. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Mongolia
Temperature in September in Mongolia over the years
Precipitation charts
These charts show the average amount of precipitation in September in Mongolia. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Mongolia
Total precipitation in September in Mongolia over the years
Daily Snowfall in September in Mongolia
Snowfall in September in Mongolia per year
Daily UV index in September in Mongolia
This chart shows the average daily UV index in September in Mongolia, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in September in Mongolia
Have you been to Mongolia in September?
Share your weather experience in September in Mongolia.
Average weather in Mongolia by month
Click on a month below to see detailed weather info for Mongolia. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.