CHF to STN Exchange Rate History
Yearly and monthly average Swiss Franc/São Tomé and Príncipe Dobra rates since 2021, with charts.
CHF to STN Chart
CHF to STN rate on a specific date
Pick any date back to 2021 to see that day’s mid-market rate. Weekends and holidays use the closest earlier trading day.
CHF to STN Rate by Year
Average, high and low mid-market rates for 1 Swiss Franc in São Tomé and Príncipe Dobra, every year since 2021. Click a year for its monthly breakdown.
CHF/STN averaged 26.384 STN per CHF in September 2026, down 0.36% from August. Across 2021–2026 the yearly average has been 25.392 STN per CHF, and the biggest single-year move came in 2023, when the rate rose 5.89%.
| Year | Average | High | Low | Change |
|---|---|---|---|---|
| 2026 | 26.705 | 27.465 | 26.190 | −1.09% |
| 2025 | 26.344 | 27.250 | 25.677 | +1.95% |
| 2024 | 25.839 | 26.568 | 24.901 | −1.29% |
| 2023 | 25.475 | 26.708 | 24.578 | +5.89% |
| 2022 | 24.634 | 26.076 | 23.222 | +4.86% |
| 2021 | 23.354 | 23.916 | 22.640 | +4.76% |
Change compares each year’s closing rate with its opening rate. Source: daily mid-market rates. First and last years may be partial.
CHF to STN in 2026 by Month
Monthly average, high and low mid-market rates for 1 Swiss Franc in São Tomé and Príncipe Dobra this year, newest first.
| Month | Average | High | Low |
|---|---|---|---|
| September 2026 | 26.384 | 26.466 | 26.291 |
| August 2026 | 26.478 | 26.778 | 26.278 |
| July 2026 | 26.452 | 26.660 | 26.190 |
| June 2026 | 26.529 | 26.984 | 26.289 |
| May 2026 | 26.911 | 27.047 | 26.755 |
| April 2026 | 26.810 | 27.030 | 26.581 |
| March 2026 | 26.849 | 27.106 | 26.523 |
| February 2026 | 27.082 | 27.214 | 26.964 |
| January 2026 | 26.677 | 27.465 | 26.345 |
More CHF/STN tools
- Convert CHF to STN at today’s rate
- STN to CHF exchange rate history
- About the CHF — profile & facts
- About the STN
- Printable CHF/STN cheat sheet
- CHF to EUR exchange rate history
- CHF to USD exchange rate history
- CHF to GBP exchange rate history
- CHF to JPY exchange rate history
- CHF to CAD exchange rate history
- CHF to AUD exchange rate history
- CHF to CNY exchange rate history
CHF/STN history FAQ
When was the CHF to STN exchange rate at its highest?
Based on daily mid-market data since 2021, the CHF/STN rate peaked in 2026 at 27.465 STN per 1 CHF. Its lowest point came in 2021, at 22.640 STN.
What was the average CHF to STN exchange rate in 2025?
In 2025, 1 CHF was worth 26.344 STN on average, ranging between a low of 25.677 and a high of 27.250 STN over the year.
How far back does this CHF/STN history go?
The chart and tables cover 2021 to 2026, built from daily mid-market rates. Yearly and monthly figures are averages, highs and lows of those daily mid-market rates.