September equinox

Fall's astronomical beginning

The September equinox is the moment when the sun crosses the celestial equator moving southward, occurring around September 22nd or 23rd.

Day and night are approximately equal length worldwide.

It marks the beginning of autumn in the Northern Hemisphere and spring in the Southern Hemisphere.

Also called the autumnal equinox (from a Northern perspective) or fall equinox.

astronomy

celestial

Of the sky above

solsticeDay of maximum tilt
declinationAngular distance from equator
orbitCurved celestial path

precession · latitude · zenith · tropic · solar · perihelion · axis · tilt · hemisphere · ecliptic

autumn

fall

Descend under gravity

autumnalOf the harvest season
harvestGathering mature crops
chillCold sensation or relaxation

deciduous · migration · pumpkin · cider · acorn · chestnut · amber · russet · frost · gourd

balance

equilibrium

State of balance

day-and-nightContinuous, all hours
symmetryInvariance under transformation
midpointExact center between two

threshold · parity · harmony · counterbalance

harvest

cornucopia

Abundance symbol, horn-shaped

reapingCutting crops for collection
bountyReward for capture
threshingExtracting grain from stalks

crop · orchard · vineyard · farmer · sickle · scythe · cultivation · produce · gathering · yield

spring

vernal

Relating to spring

renewalMaking current again
blossomFlower on fruit tree
awakeningReturn to consciousness

sprouting · greenery · warmth · growth · fertility · nesting · rainfall · planting · rebirth

Categories

Calendar ThemesApril showers, June solstice, seasonal cycles, calendar art, winter solstice

Opposites

seasonal timing in annual cycle

September equinoxMarch equinox

Spring's day-night balance

vernal equinox · spring equinox · June solstice · December solstice · summer solstice

Family

September, equinox, septet, septennial, equality, equalize, inequality, equation, equator

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