International Days in September by United Nations

5 September—International Day of Charity
8 September— International Literacy Day [UNESCO]
10 September— World Suicide
Prevention Day [WHO]
12 September— United Nations Day for South-South Cooperation
15 September—International Day of Democracy
16 September— International Day for the Preservation of the Ozone Layer
21 September— International Day of Peace
26 September(Last week of
September) — World Maritime Day [IMO]
27 September— World Tourism Day UNWTO
28 September— World Rabies Day
[WHO]
28 September(Last Saturday in
September) —World Heart Day [WHO]