On September 1, according to Coinglass data, Ethereum's average September return rate has been -5.75% since 2016, of which only four of the past nine years had positive September returns (2016, 2019, 2023 and 2024).
Furthermore, Bitcoin’s average September return has been -3.55% since 2013, with only four of the past 12 years having positive September returns (2015, 2016, 2023, and 2024).