The full moon of September reaches its peak Monday night, but the show lasts several days

According to Sky and Telescope, the way the September moon turns around the earth "keeps the bright lunar orb apparently nailed to the twilight sky for several nights in a row". The gap between the sunrise of each day is the nearest or the shortest of the year.

It means more light in consecutive evenings for anyone. It is also a good time to look down on the sky, assuming the conditions cooperate.

According to timeanddate.com, Monday's sunset in Washington takes place at 7:01 pm and the moon's rise takes place at 7:13 pm. While the moon will be illuminated at 97% illumination or beyond Sunday to Wednesday, according to space.com, Harvest Moon will be full this year at 22:53. Monday, September 24 in Washington and the East Coast of the United States

Forecast of cloud cover for 2 hours on Tuesday from the GFS weather model. Clouds can be numerous in most of the eastern half of the country for the full moon. (Pivotal Weather / The Washington Post)

We are still a few days away from the official full moon and therefore forecasts of sky conditions are subject to change. That said, we can get a general idea of ​​the landscape at this point.

Clouds seem to be a problem for observers of the moon in and around Washington, as well as much of the eastern United States. With luck, there will be breaks in these places, but deep cleaning does not seem likely yet.

Going west, it's another story. A scattered cloud may be a minor problem in the middle part of the Lower 48, but it is clearer that this is not the case when you head for the west coast.

Given the proximity of the sunrise and the moon to Washington and other places in the region, the moon will rise in the sky on Monday night during the "blue hour", a favorite time for photography thanks to the light the period between sunset and dusk.

This sky-to-earth alignment can also pave the way for great photo opportunities during morning sunrise and sunset, which are also quite close to each other at 6:58 am and 7:16 am respectively. If the weather conditions do not allow cooperation at that time, similar opportunities are possible Tuesday evening and Wednesday morning.