October 9th according to the Orthodox calendar is the day of remembrance of the Evangelist John the Theologian.
As on the day of Kapustnik, on the day of the Theologian they also watched the snow and judged the upcoming weather by it.
It was believed that snow falling on October 9th would herald the beginning of winter on Michaelmas Day on November 21st.

Name day October 9
Today, the name day is celebrated by Alexander, Afanasy, Vladimir, Dmitry, Efrem, Ivan, Nikolai and Tikhon.
Those born on October 9 have an attractive nature to others, thanks to which they quickly acquire a company of interesting people. Many consider them good mentors.
These people were born under the sign of Libra, but under the influence of emotional outbursts they are not always inclined to make the right decisions in life.
Weather signs
Rain and snow on St. John the Evangelist's Day promised three thaws during the winter.
On October 9, people turned their gaze to the sky. If it turned pink, it meant the weather would soon improve.
But the wind that suddenly rose promised prolonged bad weather in the near future.