seodata.dev

keyword

first day of autumn 2025

Monthly search volume and cost-per-click data for "first day of autumn 2025" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=first+day+of+autumn+2025&country=us" +--------------+------------------+ | volume | 4,400 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-21 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
when is the first day of fall 135,000 $0 20/20
first day of fall 135,000 $0.02 18/20
first day of fall 2025 110,000 $0.02 20/20
when does fall start 2025 27,100 $0 18/20
when is fall 2025 12,100 $0 17/20
autumn equinox 2025 6,600 $0.02 17/20
autumnal equinox 2025 6,600 $0.02 16/20
when start the fall 6,600 $0.02 15/20
fall equinox 2025 5,400 $0 17/20
when is the first day of fall in 2025 390 $0 15/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=first+day+of+autumn+2025&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt