Bayantsagaan Weather in September
What's the weather like in Bayantsagaan (Arhangay) in September 2025?
The climate in Bayantsagaan during September can be summarized as cool and dry.
September is in the fall / autumn in Bayantsagaan and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cool 14°C (57°F), whilst at night -1°C (30°F) is normal.
| Daytime temperature | 13.8°C 56.8°F |
|---|---|
| Nightly temperature | -1.4°C 29.5°F |
| Average temperature | 6.2°C 43.2°F |
| Daily sunshine | 9.2 hrs |
| Avg rainfall | 27 mm 1.1 ins |
| Rainy days | 9 days |
| Sea temperature | 14.5°C 58°F |
| Humidity | 60% |
| Windspeed | 8.3kph 5 mph |
On average September is the 4th wettest month of the year in Bayantsagaan with around 27mm 1.1 inches of rain making it a dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.2 hours of sunshine per day.
September temperatures in Bayantsagaan
September rainfall
September hourly sunshine
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 Bayantsagaan in September 2025.
Other monthly averages
Best places to visit in September
Bayantsagaan weather stats
| Hottest month: | July | 19.5°C 67.1°F |
|---|---|---|
| Driest month: | January | 2mm 0.1ins |
| Sunniest month: | February | 8.1hrs |
| Coldest month: | January | -14°C 6.8°F |
| Wettest month: | July | 90mm 3.5ins |
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