Autumn Equinox 2021 Timing, Weather and More for First Day of Fall in Illinois

Autumn Equinox 2021: Timing, Weather and More for First Day of Fall in Illinois

The start of the new season will officially begin on Wednesday, when the temperature drops again in the Chicago area.

On 22Sep , the first day of fall, it is 21 degrees Celsius. The autumnal equinox, also known as the September or fall equinox, arrives at 2:21 p.m. Wednesday in the Northern Hemisphere, according to Old Farmer’s Almanac.

It is the time when “day and night are equal in length,” according to the Adler Planetarium in Chicago, which marks the autumn equinox.

If you live in the Chicago area, Karen Donnelly reports that the Sun is rising later and later each day this month.

“However, since the summer solstice, the Sun has been rising later and setting earlier in the Northern Hemisphere,” Donnelly explains, “but from the autumnal equinox on, the night-sky period will be longer than daylight time until the next vernal equinox. We’ll keep increasing our dark-sky viewing time until

It also signals the start of Chicagohenge in Chicago, which will take place between September 22 and 25. Donnelly describes the twice-yearly event as a celestial occurrence that occurs when you can see the sun rise or set straight between downtown structures on east- and west-facing streets.

Fall will begin in the Chicago region this year, according to forecasts. On Wednesday and Thursday, showers are likely in the region, with temperatures near 60 degrees Fahrenheit and lows near 50 degrees Fahrenheit.

Winds of upto 45 mph are expected in the area around Lake Michigan on Wednesday afternoon and throughout Thursday morning. Flooding and severe waves will be prevalent along the lakefront.

According to extended forecast weather models, conditions should begin to warm up somewhat by Friday.

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