Calendar for September 2025

Knowledge Day

Monday, September 1, 2025 Read more

Namejs 2025, national defense training (until October 8)

Tuesday, September 2, 2025 Read more

Homo Novus 2025, international new theatre festival (until September 13)

Wednesday, September 3, 2025 Read more

White Night 2025

Saturday, September 6, 2025 Read more

Children's Unity Ride 2025

Saturday, September 6, 2025 Read more

Unity Ride 2025

Sunday, September 7, 2025 Read more

Autumn Māra's Day

Monday, September 8, 2025 Read more

International Literacy Day

Monday, September 8, 2025 Read more

World Physiotherapy Day

Monday, September 8, 2025 Read more

World Software Testing Day

Tuesday, September 9, 2025 Read more

16th Riga Oyster Festival

Saturday, September 13, 2025 Read more

Programmers' Day

Saturday, September 13, 2025 Read more

Father's Day

Sunday, September 14, 2025 Read more

End of the swimming season

Monday, September 15, 2025 Read more

International Day of Democracy

Monday, September 15, 2025 Read more

European Trolleybus Day

Saturday, September 20, 2025 Read more

Usher Syndrome Awareness Day

Saturday, September 20, 2025 Read more

International Day of Peace

Sunday, September 21, 2025 Read more

Baltic Unity Day

Monday, September 22, 2025 Read more

Autumn Equinox

Monday, September 22, 2025 Read more

European Week of Sport 2025, #BEACTIVE Day (until September 30)

Tuesday, September 23, 2025 Read more

International Day of Sign Languages

Tuesday, September 23, 2025 Read more

European Researchers' Night 2025

Friday, September 26, 2025 Read more

European Day of Languages

Friday, September 26, 2025 Read more

World Tourism Day

Saturday, September 27, 2025 Read more

World Day of the Deaf

Sunday, September 28, 2025 Read more

Miķeļi (Michaelmas)

Monday, September 29, 2025 Read more

World Heart Day

Monday, September 29, 2025 Read more

International Coffee Day

Monday, September 29, 2025 Read more