September Information Resources
September Information Resources
September is the ninth month of the Gregorian calendar and marks the beginning of autumn in the Northern Hemisphere and the start of spring in the Southern Hemisphere. It features important public holidays, cultural celebrations, seasonal weather changes, major astronomical events, and notable historical dates. The trusted resources below link to official and well-established providers of September calendars, holidays, climate data, sky events, and educational information.
Official Calendars & Public Holidays
- Time and Date – September Calendar (Global Overview)
- Time and Date – September Holidays by Country
- Public Holidays Global – September Observances Worldwide
Weather, Seasons & Climate in September
- NOAA – September Climate & Weather Data (USA & Global)
- UK Met Office – September Climate Information
- Australian Bureau of Meteorology – September Climate Statistics
Astronomy & Sky Events in September
- Time and Date – September Moon Phases & Astronomy Events
- NASA – September Skywatching Highlights (Including Equinox)
- International Astronomical Union – Astronomy Resources
Cultural Events, Festivals & Traditions
- United Nations – International Days Observed in September
- Encyclopaedia Britannica – September Celebrations & Observances
- History.com – Notable September Dates in History
Facts About September
- Time and Date – September Meaning, Origin & Seasonal Facts
- Encyclopaedia Britannica – Overview of September
- National Geographic – Historical & Seasonal September Features
Why Use Official & Trusted Sources
September brings seasonal transitions, equinox-related sky events, cultural observances, and national holidays that differ widely by region. Official meteorological agencies, astronomical organisations, government calendars, and established educational resources provide reliable, regularly updated information. Using trusted sources ensures that holiday dates, climate summaries, and astronomical events are accurate for planning, research, or personal reference.
⚠️ Disclaimer
This page provides links to external calendar, climate, astronomy, historical, and educational websites for general information only. All dates, holidays, seasonal information, climate statistics, sky events, cultural observances, and related content are created, maintained, and updated solely by their respective organisations or third-party publishers. This page is not affiliated with or endorsed by NASA, the United Nations, NOAA, BOM, Time and Date, Met Office, National Geographic, History.com, or any other referenced entity. Always confirm important information directly with official sources before making travel plans, academic decisions, or other time-sensitive commitments.