LANSING, Mich. (WLNS) — As we proceed into September, we may have loads of days with excellent fall climate. Talking of that, if you consider fall climate, fog most likely isn’t on the prime of your record. However do you know that the autumn season is taken into account the foggiest one among all? What’s it concerning the fall season that makes it so foggy?
Dawn on September 7, 2025. Fog could be seen within the subject on the left aspect of picture
For starters, what’s fog? In accordance with the Nationwide Climate Service (NWS), fog is a bunch of tiny water droplets within the air at or close to the Earth’s floor.
There’s a mixture of things that enhance the probability of fog creating throughout the fall season, together with cooler air and longer nights.
Because the seasons start to alter and we begin to lose daylight as a result of solar’s angle shifting, we begin to see giant swings between daytime excessive temperatures and in a single day lows.
When the forecast has been dominated by an space of excessive strain, very similar to we’ve seen right here over the previous few weeks, it units the stage for the commonest sort of fog to develop – radiation fog.
Keep in mind that high-pressure methods are related to descending air, which usually signifies that there might be a variety of days with loads of sunshine and truthful climate within the forecast for your entire day.
Let’s undergo a typical day when radiation fog would type: the solar rises and begins to step by step heat the bottom.
By the afternoon and night, we’re dropping daylight, which in flip results in a few of that warmth escaping again into the air (which is how we get these fair-weather clouds within the afternoon and night).
As soon as we head in direction of nightfall, we proceed to have clear skies and calm winds, which permits the bottom to lose warmth from the day shortly and, in flip, brings down the temperature of the air proper above the floor.
When there are not any clouds to lure the warmth from the day or wind to combine the colder air aloft with the hotter air from the floor, all that heat air rises upward into the environment.
Keep in mind the environment cools with top, and when that heat air from the bottom runs into cooler air barely above the floor, it cools to the dew level temperature, condenses, and turns into fog.
Usually, this isn’t an instantaneous occasion; it occurs step by step because the evening continues to chill. The sort of fog is most typical proper earlier than dawn and could be fairly harmful for commuters.
Because the solar rises, it begins to warmth the floor once more, inflicting the fog to burn off by mid-to-late morning hours, giving method to these excellent fall days, very similar to what we’re seeing within the forecast forward!
Fog throughout the fall season is what provides just a little magic to the season, in my view. Crisp nights which can be nice for highschool soccer and even bonfires, these varieties of days the place you want a sweatshirt within the morning however shortly take it off within the afternoon. You possibly can’t overlook the meals, every part from apple cider to cider donuts, and pumpkin spice! Fog simply provides one other factor earlier than we get to the spooky season of Halloween!
