September weather forecastUlgii, Mongolia
September
Weather in September
September in Ulgii signals the presence of autumn as the climate evolves, bringing noticeable changes. A noticeable decrease in temperature induces subtle chills, dissolving the remaining warmth of summer, yet standing distant from the approaching winter chills. As the leaves change color, Ulgii narrates a beautiful visual story. Rainfall drops considerably, creating a crisper landscape that balances weather and aesthetics. This month indeed holds a special place due to its profound atmospheric shift.Temperature
Ulgii's weather changes with the onset of September, slightly falling from a pleasant 21.2°C (70.2°F) in August to a refreshing 15.5°C (59.9°F). September in Ulgii, marked by an average low-temperature of 2.7°C (36.9°F), indicates a large temperature drop from the daytime peak.Rainfall
In Ulgii, during September, the rain falls for 2.8 days and regularly aggregates up to 13mm (0.51") of precipitation. In Ulgii, during the entire year, the rain falls for 24.6 days and collects up to 114mm (4.49") of precipitation.Daylight
The average length of the day in September in Ulgii is 12h and 36min.On the first day of the month, sunrise is at 06:17 and sunset at 19:42. On the last day of September, sunrise is at 06:58 and sunset at 18:41 +07.
Sunshine
In Ulgii, the average sunshine in September is 9h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ulgii, Mongolia
- Average high temperature in September: 15.5°C
The warmest month (with the highest average high temperature) is July (22.6°C).
The month with the lowest average high temperature is January (-10.7°C).
- Average low temperature in September: 2.7°C
The month with the highest average low temperature is July (10.4°C).
The coldest month (with the lowest average low temperature) is January (-22.6°C).
Average rainfall in September
Ulgii, Mongolia
- Average rainfall in September: 12.5mm
The wettest month (with the highest rainfall) is July (34mm).
The driest month (with the least rainfall) is February (0.5mm).
Average rainfall days in September
Ulgii, Mongolia
- Average rainfall days in September: 2.8 days
The month with the highest number of rainy days is July (7.1 days).
The months with the least rainy days are January, February, November and December (0.2 days).
Average daylight in September /
Average sunshine in September
Ulgii, Mongolia
- Average daylight in September: 12h and 36min
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 18min).
- Average sunshine in September: 9h
The months with the most sunshine are May, June, July and August (Average sunshine: 10h).
The month with the least sunshine is December (Average sunshine: 4h).
Average UV index in September
Ulgii, Mongolia
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 1).





