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Californias Great America crowd calendar, September 2026

September 202630 days forecast

Californias Great America is typically quiet in September 2026, averaging 26% crowd level. The quietest day is Tue 15 Sep at 10%, and the busiest is Sun 6 Sep at 91%.

Best day left in September

Tuesday 15 Sept

September 2026 is typically quiet at Californias Great America, averaging 26% crowd level. The busiest is Sunday 6 Sept at 91%.

10%crowds
Next bestTue 22 Sept 11%Tue 29 Sept 11%Wed 30 Sept 12%

Californias Great America is quiet today, at around 31% crowd levels, and quiet tomorrow. This weekend is looking quiet. Californias Great America is typically quiet in September 2026, averaging around 26% crowd levels. The quietest day to visit is predicted to be Tuesday 15th (about 10%), while the busiest is Sunday 6th (about 91%). Weekdays are noticeably quieter than weekends, so a midweek visit means shorter queues.

Wondering how busy Californias Great America will be in September 2026? This calendar predicts crowd levels day by day. The lower the score, the shorter the queues, so pick a quiet day and ride more.

Daily crowd levels and opening hours for Californias Great America, September 2026
MonTueWedThuFriSatSun
116%Quieter215%Quietest317%Quieter428%Quieter579%Busier42 min queues691%Busiest66 min queues
784%Busier49 min queues813%Quietest913%Quietest1017%Quieter1131%*QuieterEst.1236%*TypicalEst.1324%*QuieterEst.
1413%*QuietestEst.1510%*QuietestEst.1614%*QuietestEst.1717%*QuieterEst.1831%*QuieterEst.1936%*TypicalEst.2024%*QuieterEst.
2114%*QuietestEst.2211%*QuietestEst.2313%*QuietestEst.2417%*QuieterEst.2532%*QuieterEst.2636%*TypicalEst.2724%*QuieterEst.
2814%*QuietestEst.2911%*QuietestEst.3012%*QuietestEst.
  1. Tue1Hours unavailableSummer16%Quieter
  2. Wed2Hours unavailableSummer15%Quietest
  3. Thu3Hours unavailableSummer17%Quieter
  4. Fri4Hours unavailableSummer28%Quieter
  5. Sat5Hours unavailableSummer79%Busier42 min queues
  6. Sun6Hours unavailableSummer91%Busiest66 min queues
  7. Mon7Hours unavailableSummer84%Busier49 min queues
  8. Tue8Hours unavailableSummer13%Quietest
  9. Wed9Hours unavailableSummer13%Quietest
  10. Thu10Hours unavailableSummer17%Quieter
  11. Fri11Hours unavailableSummer31%*Est.Quieter
  12. Sat12Hours unavailableSummer36%*Est.Typical
  13. Sun13Hours unavailableSummer24%*Est.Quieter
  14. Mon14Hours unavailable13%*Est.Quietest
  15. Tue15Hours unavailable10%*Est.Quietest
  16. Wed16Hours unavailable14%*Est.Quietest
  17. Thu17Hours unavailable17%*Est.Quieter
  18. Fri18Hours unavailable31%*Est.Quieter
  19. Sat19Hours unavailable36%*Est.Typical
  20. Sun20Hours unavailable24%*Est.Quieter
  21. Mon21Hours unavailable14%*Est.Quietest
  22. Tue22Hours unavailable11%*Est.Quietest
  23. Wed23Hours unavailable13%*Est.Quietest
  24. Thu24Hours unavailable17%*Est.Quieter
  25. Fri25Hours unavailable32%*Est.Quieter
  26. Sat26Hours unavailable36%*Est.Typical
  27. Sun27Hours unavailable24%*Est.Quieter
  28. Mon28Hours unavailable14%*Est.Quietest
  29. Tue29Hours unavailable11%*Est.Quietest
  30. Wed30Hours unavailable12%*Est.Quietest
Quietest 0-15%Quieter 15-35%Typical 35-65%Busier 65-88%Busiest 88-100%

Crowd levels are modelled from this park's own recorded queue times, school and public holidays, day of the week and the weather forecast, and may not always be right. Opening hours come from the park and can change. Always check the park's own site before travelling. We score every past forecast against what the queues actually did and publish the result in the crowd forecast accuracy ledger.

October 2026November 2026December 2026January 2027February 2027March 2027April 2027May 2027Full crowd calendar

Frequently asked

How busy is Californias Great America today?

Californias Great America is predicted to be quiet today, at around 31% crowd levels. Lower percentages mean shorter queues.

How busy will Californias Great America be tomorrow?

Californias Great America is predicted to be quiet tomorrow, at around 36% crowd levels.

Is Californias Great America busy this weekend?

This weekend Californias Great America is looking quiet, at around 30% crowd levels on average.

When is the quietest day to visit Californias Great America in September 2026?

Tuesday 15th is predicted to be the quietest day to visit Californias Great America in September 2026, at around 10% crowd levels.

When is Californias Great America busiest in September 2026?

Sunday 6th is predicted to be the busiest day at Californias Great America in September 2026, at around 91% crowd levels.

How busy is Californias Great America in September 2026?

On average, Californias Great America is quiet in September 2026 - around 26% crowd levels. Weekdays are usually quieter than weekends.

Is Californias Great America busier on weekends?

Yes - Californias Great America is typically busier at weekends than midweek in September 2026. Visit on a weekday for shorter queues.

What is the best time to visit Californias Great America?

The best time to visit Californias Great America is on its quietest predicted days - Tuesday 15th is the quietest in September 2026 (about 10%). Arriving at opening also means the shortest waits.