"September"

2. soft, soothing, or calming, often describing the vibe of early autumn.",
4. a sentimental longing for the past, often with warm feelings.",
6. To mark a special occasion with festivities.",
7. These days, often recalled with warmth, were described as this color in the song.",
10. The month celebrated in Earth, Wind & Fire's famous song.

1. to feel or show great joy or happiness.",
3. What people do joyfully on the 21st night of September.",
5. To recall memories of the past, often with fondness.",
8. a deep affection, often mentioned in songs related to feelings of happiness.",
9. What Green Day wants to be done when September ends."