Weather in September
September introduces the transition from summer to autumn in Onon, Mongolia. The temperatures range from 2°C (35.6°F) to 16°C (60.8°F), bringing cooler nights. The rainfall decreases from the summer peak to 38mm (1.5"). However, the landscape remains vibrant, boasting a mixture of sun and rain. With daylight reduced to 12.6 hours, the month offers picturesque views of golden fields under the clear blue sky.
On the first day of September, sunrise is at 05:55 and sunset at 19:19. On the last day of the month, sunrise is at 06:35 and sunset at 18:19 +08.
Temperature
As September begins in Onon, there is a decrease in the average high-temperature, falling from an agreeable 22°C (71.6°F) in August to an enjoyable 16°C (60.8°F). Compared to daytime temperatures, Onon's temperature drops significantly, averaging a cold 2°C (35.6°F) during the nights of September.Rainfall
During September, Onon regularly aggregates up to 38mm (1.5") of precipitation. During the entire year, Onon aggregates up to 377mm (14.84") of precipitation.Daylight
In Onon, the average length of the day in September is 12h and 36min.On the first day of September, sunrise is at 05:55 and sunset at 19:19. On the last day of the month, sunrise is at 06:35 and sunset at 18:19 +08.
Updated: Feb 6, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Onon in September?
In September, the average high-temperature and low-temperature in Onon, Mongolia, are 16°C (60.8°F) and 2°C (35.6°F) respectively.
How much does it rain in Onon in September?
Throughout September, 38mm (1.5") of precipitation is accumulated.
How many hours of daylight does Onon have in September?
The average day length in September in Onon, Mongolia, is 12h and 36min.
What time are sunrise and sunset in September in Onon?
In September, on the first day of the month, sunrise is at 05:55 and sunset at 19:19. On the last day of the month, sunrise is at 06:35 and sunset at 18:19 +08.
Average temperature in September
Onon, Mongolia
- Average high temperature in September: 16°C
The warmest months (with the highest average high temperature) are June, July and August (22°C).
The month with the lowest average high temperature is January (-14°C).
- Average low temperature in September: 2°C
The month with the highest average low temperature is July (11°C).
The coldest months (with the lowest average low temperature) are January and December (-26°C).
Average rainfall in September
Onon, Mongolia
- Average rainfall in September: 38mm
The wettest months (with the highest rainfall) are July and August (99mm).
The driest month (with the least rainfall) is February (0mm).
Average daylight in September
Onon, Mongolia
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
Onon, Mongolia
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