Wearing a suit on your first date can be perfectly normal depending on the context of the date and your personal style. The appropriateness of wearing a suit will largely depend on the venue and the level of formality you both agree upon. Here are some factors to consider:
Venue: If you are going to a formal restaurant, attending a special event, or doing something that requires dressing up, wearing a suit can be entirely appropriate and even impressive. On the other hand, if the date is in a casual setting like a coffee shop or a casual restaurant, a suit might be too formal.
Communication: It's a good idea to communicate with your date about the dress code for the occasion. You can ask her directly or gauge the level of formality based on her outfit choice.
Personal Style: If wearing a suit aligns with your personal style and you feel comfortable in it, then go for it. Being authentic and true to yourself is essential on a date.
Weather: Consider the weather conditions when deciding on your outfit. Wearing a suit may be too uncomfortable if it's too hot or if it doesn't suit the environment.
Confidence: Confidence is attractive, so if wearing a suit makes you feel confident and good about yourself, it can positively impact your date.
If you are unsure about the level of formality, you can opt for a semi-formal look, like a dress shirt, dress pants, and a blazer, which strikes a balance between casual and formal. It's always better to slightly overdress than to feel underdressed and uncomfortable during the date.
Remember, the most important thing is to be respectful, polite, and attentive during the date. Ultimately, the success of the date will depend on the connection and chemistry between you and your date, not just the outfit you wear.