I've always found the Sigs (with the exception of the Sigma series) to have one of the better trigger pulls out of the box.
You’ll get as many opinions as you will asking about tires, oil, and octane of fuel to run but I’ll throw this out there to you to ponder.
If you are looking for an all purpose gun, I recommend looking at something that has a “half ****” action. The Sigs series you are looking at commonly Double Action on the first round and Single Action on the remaining rounds. (Double Action only models are available out there) The first to second shot can be a training issue. That is one reason so many departments went to Glocks when they came out.
Unless you are going to train very often, a Glock, XD, or Smith and Wesson M&P would be my recommendation. If you go with the M&P, I prefer the actions that do not have the magazine safety (when the mag is pulled, the gun will not fire). The action feels smoother to me. The M&P and XD get bonus points for being able to change grip inserts to fit different hand sizes. Models without external safeties are also my preference
I’ve owned many semis in the last 25 years. Glocks, Berrettas, Colts, Several generation Smiths (none I really liked until the M&P) I love my Sigs, but if I had to replace everything, I’d get a M&P or XD. I don’t train near like I did several years ago. However I have way too much invested in magazines, leather and other accessories to make the change now.
When the wife started shooting, we started her with one of my 226s. She improved very much when I got her into a M&P.
Find a range that rents guns and shoot a box in each before you make a decision. After you think you know what you want. Give it a couple of weeks and go back and put a 100 rounds each in the top 3 you were looking at. It will be a good investment.
Your mileage may vary!