
Christ Church in Derry was found with multiple broken windows, including a stained glass window. Vases of flowers were knocked over, a decanter used for communion was stolen, and faeces were found smeared on the pages of a psalm book.

On 12 September 2023, a 22-year-old vandalised the chapel in the grounds of Krakow-Balice International Airport. After breaking into the airport chapel, the perpetrator overturned a cross, scattered flowers, pulled a tablecloth from the altar and ripped the tabernacle.

The Home Secretary of the UK has now clarified that “silent prayer, within itself, is not unlawful” in a letter for the police forces across the country. This statement comes in response to many months of controversy over "buffer zones" outside abortion facilities that have led to the arrest of several citizens for praying silently in their minds inside a buffer zone.

As the humanitarian situation of Armenian Christians behind Azerbaijan's blockade in Nagoro-Karabakh becomes critical, the Tom Lantos Human Rights Commission of the US Congress conducted a hearing on 6 September to explore the situation. Experts heard by the commission pointed out that Azerbaijan’s actions clearly constituted a genocide, as it is using starvation as a form of ethnic cleansing. Georgetown University adjunct professor David L. Philips argued that the final intention of Azerbaijan is the “elimination of the entire Christian population and its churches.”

Between September 4th and 6th, an organ console worth 5000€ was stolen from a church in Detmold. This is not only significant because of the monetary value but it also hinders the ceremonial process of the mass. Local police assumes that there were at lease two people involved in the theft and started an investigation.

Eight graves have been vandalised in the military section of the Saint Claude cemetery in Besançon, Doubs. Headstones and crosses were broken. The damage was reported on 6 September.

In the night of September 4th to 5th, unidentified thieves managed to break into the church in Mönchengladbach by entering through a window of the neighbouring building and then using the shared basement. They left with the tabernacle, the golden chalice inside it and two more boxes of unknown content. Since the tabernacle is quite heavy, police expects that more than one person must have been involved in the crime. The exact damage is unknown since it is not clear what the tabernacle and the chalice are made of gold. The local police started an investigation.

On September 5 a man broke into the Corpus Christi parish church in Pedregalejo (Malaga) and caused considerable damage to the parish hall while uttering death threats and shouting "God doesn't exist", among other derogatory phrases against the Church. The offender smashed several paintings, including one of Mary, a carving of Christ crucified, a pedestal of Mary, several chairs, a candelabra and some glass.

A 252-year-old statue of a pelican has been stolen from St Dyfnog Church in Llanrhaedr, Denbighshire. The 0.6 meter gilded statue was stolen between August 22 and September 5. The carving, which has been hanging in the church for at least 100 years, was situated next to the altar in the church. The North Wales Police are investigating the theft.
At around 4am on 4 September, a fire destroyed the premises of Secours Catholique in the Maison Diocésaine de la Solidarité, next to the church of Sainte Jeanne Antide in Belfort. The police suspect arson and have launched an investigation.