Bitcoin vs. Ethereum: What Makes September 2025 Different for Crypto Market Leaders

September has long carried a bad reputation in crypto. Both Bitcoin and Ethereum have repeatedly stumbled during this month, with history showing sharp pullbacks or muted performance. It is widely considered the weakest month for crypto, but 2025 looks different in several ways: both assets have recently touched new all-time highs, ETF flows now shape market liquidity, and rate cuts are back on the table. The question is whether September’s weakness will once again weigh on crypto, or whether this cycle has shifted source: https://beincrypto.com/bitcoin-vs-ethereum-september-2025/