Bayansayr Weather in September
What's the weather like in Bayansayr (Bayanhongor) in September 2025?
The climate in Bayansayr during September can be summarized as mild and very dry.
September is in the fall / autumn in Bayansayr and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cool 19°C (67°F), whilst at night 4°C (39°F) is normal.
| Daytime temperature | 19.2°C 66.5°F |
|---|---|
| Nightly temperature | 4.1°C 39.3°F |
| Average temperature | 11.6°C 52.9°F |
| Daily sunshine | 9.9 hrs |
| Avg rainfall | 9 mm 0.3 ins |
| Rainy days | 5 days |
| Sea temperature | 16.1°C 60.9°F |
| Humidity | 54% |
| Windspeed | 7.6kph 5 mph |
On average September is the 4th wettest month of the year in Bayansayr with around 9mm 0.3 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 9.9 hours of sunshine per day.
September temperatures in Bayansayr
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 Bayansayr in September 2025.
Other monthly averages
Best places to visit in September
Bayansayr weather stats
| Hottest month: | July | 26.3°C 79.3°F |
|---|---|---|
| Driest month: | December | 1mm 0ins |
| Sunniest month: | January | 8.4hrs |
| Coldest month: | January | -9.8°C 14.4°F |
| Wettest month: | July | 36mm 1.4ins |
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