I would love to switch to natural light. I'm moving next week and I'll have a really great room for natural light photos, but working a 9-5 doesn't leave a lot of time for photo-taking during daylight hours. Might have to figure out a specific set of weekend hours dedicated to photo time.
As far as the upcoming months are concerned, I would think that if utilizing natural light, that the post 5+ Sunlight is the perfect amount of bright to showcase the product and details but enough darker contrast there to not wash out. You gotta be careful if planning to just use natural light in general across the board, because some parts of the day, shooting product shots is just doing yourself a discerivce because all your taking pictures of is essentially over exposed clothing. I actually used to prey on sellers who solely utilized natural light as their source for their product shots because it always results in blazers that if put in proper lighting, would look and appear as they are meant, with really attractive or loud or whatever, high contrast patterns and colors or whatever, however the Sunlight completely washes it away leaving you with a dulled version of the original garment. I used to be able to snipe patterend Kitons for around 150 from sellers like this.....so just heed caution when using this strategy, natural light does mean the truest most accurate light source possible, yet it needs a contrast that is able to dilute or preferably entirely block, the direct light, or any deflected light. Natural light must be only utilized if indirect, otherwise your items are going for pennies on the dollar.