Final answer:
The solar elevation at noon on September 14th in Chile varies depending on the specific latitude of the location, but it will be relatively high due to the proximity to the September equinox when the Sun is closer to being directly over the equator.
Step-by-step explanation:
To calculate the solar elevation at noon on September 14th in Chile, we need to consider the Earth's tilt and its position in its orbit around the Sun. As Chile is in the Southern Hemisphere and the date in question is not one of the equinoxes, the calculation is a bit more complex than the example provided for the June 21st scenario. Nonetheless, we can use the same principles to arrive at a rough estimate.
On or about September 14th, Chile, which has latitudes ranging broadly from about 17° S to 56° S, is heading towards the spring equinox on September 22nd. The Sun's declination is moving southward, getting closer each day to being directly over the equator. At noon, the Sun would not be directly at the zenith for any location in Chile, but the solar elevation will be fairly high considering the approaching equinox.
Specific details about the solar elevation on this date would depend on the exact latitude of the location in question within Chile. Without precise coordinates or a latitude, an exact answer cannot be given. However, as September 14th is close to the equinox, one could expect the solar elevation at noon to be relatively high, though not at the zenith, as it would be on the equator on the equinoxes.