Bayan Weather in September
What's the weather like in Bayan (Hövsgöl) in September 2025?
The climate in Bayan during September can be summarized as cool and dry.
September is in the fall / autumn in Bayan and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cold 13°C (55°F), whilst at night -3°C (27°F) is normal.
| Daytime temperature | 12.7°C 54.8°F |
|---|---|
| Nightly temperature | -3.1°C 26.5°F |
| Average temperature | 4.8°C 40.6°F |
| Daily sunshine | 9.1 hrs |
| Avg rainfall | 24 mm 0.9 ins |
| Rainy days | 9 days |
| Sea temperature | 13.9°C 57°F |
| Humidity | 59% |
| Windspeed | 7.2kph 5 mph |
On average September is the 4th wettest month of the year in Bayan with around 24mm 0.9 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 9.1 hours of sunshine per day.
September temperatures in Bayan
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 Bayan in September 2025.
Other monthly averages
Best places to visit in September
Bayan weather stats
| Hottest month: | July | 18.8°C 65.8°F |
|---|---|---|
| Driest month: | February | 2mm 0.1ins |
| Sunniest month: | February | 8hrs |
| Coldest month: | January | -20°C -4°F |
| Wettest month: | July | 75mm 3ins |
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