September brings Labor Day (US/Canada), International Peace Day, World Alzheimer's Day and the start of autumn marketing season.
Federal holiday in the US and Canada honoring the labor movement. First Monday of September — September 7 in 2026.
Source: US/Canada Federal Holiday
UNESCO-designated day highlighting the importance of literacy since 1966.
Source: UNESCO (1966)
Annual IASP day raising awareness about suicide prevention. Follow WHO safe messaging guidelines when engaging.
Source: IASP / WHO
UN-designated day dedicated to world peace, with a call for a 24-hour ceasefire.
Source: UN Resolution 36/67
Annual campaign to raise awareness and challenge stigma around Alzheimer's disease and other dementias.
Source: Alzheimer's Disease International
Schedule posts for these dates across Bluesky, Mastodon, LinkedIn, Pinterest, X, TikTok, YouTube and DEV.to — all from one composer.