The climate in Ulaan-Ereg during September can be summarized as mild and dry.
September is in the fall / autumn in Ulaan-Ereg and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cool 17°C (63°F), whilst at night 3°C (37°F) is normal.
| Daytime temperature | 17.3°C 63.1°F |
|---|---|
| Nightly temperature | 2.7°C 36.9°F |
| Average temperature | 10°C 50°F |
| Daily sunshine | 9.5 hrs |
| Avg rainfall | 30 mm 1.2 ins |
| Rainy days | 7 days |
| Sea temperature | 15.8°C 60.4°F |
| Humidity | 58% |
| Windspeed | 11.9kph 7 mph |
On average September is the 4th wettest month of the year in Ulaan-Ereg with around 30mm 1.2 inches of rain making it a dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.5 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Ulaan-Ereg in September 2025.
Best places to visit in September
| Hottest month: | July | 24.9°C 76.8°F |
|---|---|---|
| Driest month: | January | 2mm 0.1ins |
| Sunniest month: | February | 8.4hrs |
| Coldest month: | January | -15.4°C 4.3°F |
| Wettest month: | July | 72mm 2.8ins |