Theni generally projects a tranquil and friendly ambiance for solo female travelers. The locals are hospitable and eager to help. While the streets are reasonably safe, it's still advised that solo female travelers should keep personal belongings secure and avoid isolated areas, especially after dark. It's also recommended to respect local customs and dress modestly. However, like any other place, you should always exercise common sense, be aware of your surroundings and take basic safety precautions.