Ethereum is the second-largest cryptocurrency by market capitalization, and its price movements are closely followed by the global crypto community. The Quickex editorial team analyzed the coin’s performance, indicators, and events that may affect its value to prepare a forecast for Ethereum in September 2025.
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A Typical September for Ethereum
September is not the best month for Ethereum. Over the past 9 years of observations, the cryptocurrency finished the beginning of autumn with gains only 4 times. In the last two years, however, ETH showed positive dynamics in September.
We should also consider the cryptocurrency’s prospects in terms of market cyclicality. September is the 17th month after the Bitcoin halving. Here’s how ETH behaved in the 17th month after the two previous halvings:
- 17th month after the 2016 halving (+70.47%).
- 17th month after the 2020 halving (+42.89%).
How Ethereum’s price changed by month. Source: bitcoinmonthlyreturn
So, despite September not being the best month for the cryptocurrency, in the conditions of 2025 Ethereum has every chance to grow.
Outlook with Bitcoin in Focus
Although ETH is the second-largest cryptocurrency by market cap, its “health” largely depends on the market’s flagship, Bitcoin.
Earlier, the Quickex editorial team came to the conclusion that September could be an unfavorable time for BTC. The crypto market outlook will become clearer at the Jackson Hole symposium, which will be held from August 21 to 23. On August 22, Fed Chair Jerome Powell will speak. Market participants are waiting for signals about a key rate cut in September 2025.
As Powell’s speech approaches, confidence among market participants that the Fed will cut rates in September is falling. At the time of writing, 79% of respondents believe in such a scenario. Not long ago, the metric reached 99%.
What to Know About ETH’s Current Position
In August, record outflows were recorded from spot exchange-traded funds (ETFs) based on Ethereum. For example, on August 4, outflows exceeded 133,000 ETH. At the time of writing, outflows have persisted for four consecutive days.
Inflows and outflows of spot Ethereum ETFs. Source: coinglass
ETF issuers are forced to sell cryptocurrencies amid asset outflows from the funds. Therefore, ETF outflows are a strong pressure factor on the cryptocurrency’s price.
Countering ETF sell-offs, Ethereum’s price is supported by companies that are buying the cryptocurrency for their reserves.
Top 10 companies investing in Ethereum, and information on their ETH purchases over the last 30 days. Source: coingecko
From April to August 12, Ethereum rose by 234%. After that, the coin entered a correction. At the time of writing, ETH had fallen by 15%.
Ethereum chart. Source: TradingView
It’s important to clarify that, unlike many altcoins, Ethereum has not yet updated its all-time high. Recall that ETH’s peak was recorded on November 16 at $4,891. At the time of writing, the coin trades at $4,300.
Community Opinions
Trader Decode believes that in September Ethereum will continue its correction. In his view, the cryptocurrency risks falling to $3,300. In October, the trader expects ETH to set a new all-time high.
A similar forecast was shared by trader MrFinance. He also does not rule out a decline of ETH in September to $3,300, followed by a rebound and continued growth.
Many other members of the crypto community believe that September will be “red” for Ether. At the same time, investors expect ETH to rise after the dip.
Conclusions: Ethereum Forecast for September
An analysis of Ethereum’s dynamics shows that September has traditionally been a difficult month for the cryptocurrency. However, historical data on ETH’s behavior in similar market cycles, as well as the growth in recent years, leaves room for a positive scenario.
Serious pressure remains from Ethereum-ETF outflows, forcing issuers to sell the asset, while institutional purchases partially offset this effect. Additional uncertainty comes from ETH’s dependence on Fed decisions and Bitcoin’s trend.
Most traders and analysts agree that in September Ethereum may show a correction with a possible decline to $3,300, after which the market expects a recovery and a potential update of the all-time high in the following months.
Overall, September looks like a month of increased volatility for ETH, with the risk of a short-term pullback but also the prospect of further growth into autumn 2025.
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