Here's how to convert 0.9 degrees Celsius to Fahrenheit:

Formula:

°F = (°C × 9/5) + 32

Calculation:

* °F = (0.9 × 9/5) + 32

* °F = (1.62) + 32

* °F = 33.62

Therefore, 0.9 degrees Celsius is equal to 33.62 degrees Fahrenheit.