Labor Day- 

Spanish: Dia Laboral

French: Fête du travail

Portuguese: Dia de trabalho

Italian: Festa dei lavoratori

Bisexuality – 

Spanish: Bisexualidad

French: Bisexualité

Portuguese: Bissexualidade

Italian: Bisessualità

Late – 

Spanish: Tarde

French: En Retard 

Portuguese: Tarde

Italian: Tardi

Cheese Pizza – 

Spanish: Pizza de queso 

French: Pizza au fromage

Portuguese: Pizza de queijo

Italian: Pizza al formaggio

Holidays:

September 5- Labor Day

September 5- Be Late for Something Day

September 5- National Cheese Pizza Day

September 23- Bisextuality Day

Sources:

https://www.holidayinsights.com/everyday.htm

https://capitalcounselor.com/september-holidays/

https://bivisibilityday.com/

https://wwwnc.cdc.gov/travel/page/traveling-holidays