Bitcoin Price in September 2021
In September 2021, bitcoin fell 7.2%, from $47,166.69 at the end of August to $43,790.89 per bitcoin on September 30, 2021. The highest close was $52,633.54 on September 6, 2021, the lowest $40,693.68 on September 21, 2021, and the average over 30 days was $45,939.77. Today's price is 76.4% higher than the September 2021 close.
Bitcoin ended September lower. What usually happens in October after a lower September →
- Bitcoin fell 7.2% in US dollars in September 2021, leaving it up 51.0% for the year to date.
- Measured in other currencies, the change ranged from −7.3% in NGN to −0.7% in TRY, because exchange rates moved too.
- It did better than silver (−8.1%), and worse than gold (−3.4%) and US stocks (−4.7%).
- It closed higher on 16 days and lower on 14, with an average daily move of 2.95%.
- At the end of the month it was 31.0% below its highest close since 2014.
- Bitcoin in ounces of gold: 25.9 → 24.9.
Bitcoin price chart, September 2021
US dollars per bitcoin · daily closeBitcoin in other currencies, September 2021
| Currency | Change in the month |
|---|---|
| TRY | −0.7% |
| BRL | −1.9% |
| ZAR | −3.4% |
| PKR | −4.4% |
| GBP | −5.2% |
| EUR | −5.3% |
| INR | −5.6% |
| JPY | −6.0% |
| AUD | −6.0% |
| ARS | −6.2% |
| CAD | −6.7% |
| NGN | −7.3% |
Price in each currency at each day's exchange rate, previous month-end to this month-end. A weaker currency makes bitcoin rise more in local terms.
Bitcoin vs other assets, September 2021
| Asset | Change (USD) |
|---|---|
| Bitcoin | −7.2% |
| Gold | −3.4% |
| Silver | −8.1% |
| S&P 500 (with dividends) | −4.7% |
| US inflation (CPI, month) | +0.27% |
| Bitcoin, year to date (end of September) | +51.0% |
| Bitcoin in ounces of gold | 25.9 → 24.9 |
Month-end to month-end. US CPI is the official monthly index (not seasonally adjusted), published the following month.
Key Events in September 2021
- Tuesday, September 7El Salvador's Bitcoin Law takes effect, making bitcoin legal tender. SourceBitcoin: −11.1% that day
Daily Bitcoin Prices, September 2021
Closing price for every day, with the same price in INR and EUR at that day's exchange rate.
| Date | Close (USD per BTC) | Change | India, ₹ per BTC | Euro, € per BTC |
|---|---|---|---|---|
| Sep 1Wed | $48,847.03 | +3.56% | ₹35,65,105 | €41,251 |
| Sep 2Thu | $49,327.72 | +0.98% | ₹36,03,602 | €41,534 |
| Sep 3Fri | $50,025.38 | +1.41% | ₹36,54,569 | €42,121 |
| Sep 4Sat | $49,944.63 | −0.16% | ₹36,48,670 | €42,053 |
| Sep 5Sun | $51,753.41 | +3.62% | ₹37,77,714 | €43,540 |
| Sep 6Mon | $52,633.54 | +1.70% | ₹38,48,038 | €44,323 |
| Sep 7Tue | $46,811.13 | −11.06% | ₹34,35,487 | €39,523 |
| Sep 8Wed | $46,091.39 | −1.54% | ₹34,01,038 | €38,998 |
| Sep 9Thu | $46,391.42 | +0.65% | ₹34,11,532 | €39,229 |
| Sep 10Fri | $44,883.91 | −3.25% | ₹33,00,673 | €37,954 |
| Sep 11Sat | $45,201.46 | +0.71% | ₹33,24,025 | €38,222 |
| Sep 12Sun | $46,063.27 | +1.91% | ₹33,86,770 | €38,997 |
| Sep 13Mon | $44,963.07 | −2.39% | ₹33,06,620 | €38,066 |
| Sep 14Tue | $47,092.49 | +4.74% | ₹34,68,400 | €39,892 |
| Sep 15Wed | $48,176.35 | +2.30% | ₹35,37,975 | €40,757 |
| Sep 16Thu | $47,783.36 | −0.82% | ₹35,15,178 | €40,606 |
| Sep 17Fri | $47,267.52 | −1.08% | ₹34,77,230 | €40,168 |
| Sep 18Sat | $48,278.36 | +2.14% | ₹35,51,593 | €41,027 |
| Sep 19Sun | $47,260.22 | −2.11% | ₹34,82,894 | €40,289 |
| Sep 20Mon | $42,843.80 | −9.34% | ₹31,55,832 | €36,524 |
| Sep 21Tue | $40,693.68 | −5.02% | ₹30,02,896 | €34,712 |
| Sep 22Wed | $43,574.51 | +7.08% | ₹32,19,062 | €37,282 |
| Sep 23Thu | $44,895.10 | +3.03% | ₹33,15,054 | €38,242 |
| Sep 24Fri | $42,839.75 | −4.58% | ₹31,63,287 | €36,491 |
| Sep 25Sat | $42,716.59 | −0.29% | ₹31,54,193 | €36,386 |
| Sep 26Sun | $43,208.54 | +1.15% | ₹31,89,348 | €36,857 |
| Sep 27Mon | $42,235.73 | −2.25% | ₹31,18,065 | €36,107 |
| Sep 28Tue | $41,034.54 | −2.84% | ₹30,43,257 | €35,113 |
| Sep 29Wed | $41,564.36 | +1.29% | ₹30,89,147 | €35,824 |
| Sep 30Thu | $43,790.89 | +5.36% | ₹32,51,667 | €37,835 |
How September usually goes for bitcoin
In the 11 years from 2015 to 2025, bitcoin rose in September 5 times out of 11, with an average move of −1.8% and a median of −3.1%. Every September since 2014 →
Bitcoin in September 2021: FAQ
What was the price of bitcoin in September 2021?
Bitcoin traded between $40,693.68 and $52,633.54 per bitcoin (daily closes) in September 2021, averaging $45,939.77. It closed the month at $43,790.89.
How much did bitcoin go down in September 2021?
Bitcoin fell 7.2%, from $47,166.69 to $43,790.89. The biggest daily rise was +7.1% on September 22, 2021 and the biggest fall −11.1% on September 7, 2021.
What was the bitcoin price on September 1, 2021?
Bitcoin closed at $48,847.03 per bitcoin on September 1, 2021, the first day of the month. India, ₹ per BTC: ₹35,65,105.
Is September usually a good month for bitcoin?
In the 11 years from 2015 to 2025, bitcoin rose in September 5 times out of 11, with an average move of −1.8% and a median of −3.1%. Past seasonal patterns are not a reliable guide to any single year.
How much did bitcoin change in rupees in September 2021?
Bitcoin fell 5.6% in Indian rupee terms in September 2021, compared with −7.2% in US dollars.
Did bitcoin beat stocks in September 2021?
No. Bitcoin was −7.2% for the month, against −4.7% for the S&P 500 with dividends.
Did bitcoin keep up with inflation in September 2021?
US consumer prices (CPI) changed +0.27% in September, so bitcoin's real (inflation-adjusted) change was about −7.4%.
Cite this page
For essays, articles and research. Prices on this page update daily, so the citations include today's date as the date you accessed it.
@misc{corgano2026bitcoinpriceinseptember, author = {{Corgano}}, title = {Bitcoin Price in September 2021}, howpublished = {\url{https://bitcoinprice.corgano.com/bitcoin-price-history/2021/september}}, year = {2026}, note = {Corgano Bitcoin Price, accessed 2026-10-31}}