Klang is generally a safe place for solo female travelers. The locals are friendly and helpful, and crime rates are relatively low, especially against tourists. However, like anywhere, it's important to take standard precautions. Avoid secluded areas at night, be aware of your belongings and surrounding, and use reputable transportation. Otherwise, it's a great place to explore with rich cultural heritage and vibrant local food scenes. Always remember the basic safety measures, and you should have a fabulous time.