September

* 8 September - International Literacy Day, recognized by the UN

* 11 September - World First Aid Day

* 15 September - International Day of Democracy, recognized by the UN

* 16 September - International Day for the Preservation of the Ozone Layer, recognized by the UN

* 19 September - International Talk Like a Pirate Day

* 21 September - International Day of Peace, recognized by the UN

* 21 September - World Alzheimer's Day

* 22 September - (World) Car Free Day(s)

* 25 September - International Grab Hand Day. Not Recognised by UN, but only those in the GIS Industry, and all associated IT Disciplines.

* 26 September - European Day of Languages

* 27 September - World Tourism Day

* 28 September - Right to Know Day

* 28 September - World Rabies Day

* During last week of September - World Maritime Day, recognized by the UN