On September 5, 2026, Orthodox Christians in Latvia observe the Day of Luppus of Thessalonica alongside the Feast of the Dormition, marking a traditional shift in regional weather patterns and seasonal agricultural tasks. According to regional reporting, the holiday carries specific folk traditions, weather signs, and customary church observances for the faithful across the country.
History and Significance of Luppus of Thessalonica
Saint Luppus lived during the late third and early fourth centuries in the Greek city of Thessalonica, where he served as a faithful attendant and disciple of Demetrius of Thessalonica, according to church accounts reported by EuropeSays. Luppus witnessed the martyrdom of Demetrius and personally buried his lord while retaining Demetrius’s bloody tunic and imperial ring. Historical accounts indicate that Luppus utilized these relics to perform numerous miracles, drawing many people to Christianity. Although he had professed the faith for many years without formal baptism, Luppus broke idols at a pagan shrine, leading to his arrest and trial before local judges. During his torture, he prayed for baptism, after which eyewitnesses reported a rain cloud gathering over him in a clear sky to administer the sacrament. He was subsequently beheaded.
Seasonal Weather Signs and Traditions
The day is commonly referred to in folk tradition as the Cranberry Picker because it marks the traditional period for gathering and preparing the berry for winter storage, as noted by EuropeSays. Traditional regional weather signs associated with the date include expectations of night frosts following the holiday. Additional folk indicators state that if cranes fly away to warmer lands, winter will arrive early, while blooming peas signal a warm autumn, and morning fog points toward improving weather conditions.
Observances and Prohibitions on September 5
Orthodox families traditionally engage in specific practices and avoid certain activities on this feast day, according to EuropeSays. Permissible and customary activities include:

- Going cranberry picking as a family.
- Preparing cranberries for winter by soaking, drying, or baking them into pies.
- Harvesting crops from the garden.
- Spending the day calmly according to a planned agenda.
- Holding weddings.
Conversely, traditional regional customs dictate several strict prohibitions for the day. Believers are instructed not to lend money or items, complain about life, change jobs, or display laziness. Regional tradition also advises against making future plans, starting new ventures, using knives or scissors without urgent necessity, and revealing personal or outside secrets.