You can have prolonged periods of abnormal weather. As an example, across Europe we had months of extremely low wind in 2020:
https://theconversation.com/what-europes-exceptionally-low-w...
Ie: Lots of solar when the wind isn’t blowing
Not always. Over months of low wind, there will still be overcast days, and of course, there's that pesky little issue of the night.
Ie: Lots of solar when the wind isn’t blowing