Thats a little light for late season. I agree with the 30 degree level for that setup, not including the rain gear on cause it probably wont be most the time. And thats if you’re moving. You stop at 30* with a 10mph wind and i bet you will be cold. You could add a 200 base to your legs, but a down jacket/pants is where its at late season. Ive been warm while hunting in 0* calm weather after a snow storm in a similar setup as you, but wearing the full down layer too. If you cant afford the kuiu off the bat, theres plenty of alternatives. Ive been piecing mine together for years and used a 650 fill cheapo down jacket for a long time.