September 18 International holidays

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    Number of holidays
    3
    Day of the year
    261
    Days left in the year
    104

    All International holidays on September 18

    Sep18
    Special Interest

    Global Company Culture Day
    Sep18
    Special Interest

    International Equal Pay Day
    World Water Monitoring Day
    Sep18
    Cause

    World Water Monitoring Day
    Upcoming International holidays
    Wife Appreciation Day

    Sep. 27

    Wife Appreciation Day
    Deck the Everything Day

    Nov. 1

    Deck the Everything Day
    National Day of Unplugging

    Mar. 5

    National Day of Unplugging
    Manatee Appreciation Day

    Mar. 31

    Manatee Appreciation Day
    Trending holidays

    Sep. 21

    National Surgical Technologists Week

    National Surgical Technologists Week

    Sep. 25

    National Daughters Day

    National Daughters Day

    Sep. 10

    World Suicide Prevention Day

    World Suicide Prevention Day

    Sep. 7

    National Beer Lovers Day

    National Beer Lovers Day
    Popular September holidays
    Time's Up Day

    Sep. 17

    Time's Up Day
    National Report Medicare Fraud Day

    Sep. 12

    National Report Medicare Fraud Day
    National Crime Prevention Week

    Sep. 1

    National Crime Prevention Week
    One-Hit Wonder Day

    Sep. 25

    One-Hit Wonder Day

    International holidays on September 18