Weather on September 6

Fullerton, CA

55 Years of Data

Avg High
90°F
Avg Low
65°F
Warmest
2024
94°F avg
Coldest
1973
68°F avg

About This Date

September 6th in Fullerton, CA typically brings hot fall weather, with average highs around 90°F and lows near 65°F — a 25°F daily swing. Over 55 years of records, the warmest September 6th was in 2024 (94°F average), while the coldest was 1973 (68°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 4% of September 6th dates historically, with the wettest September 6th recording 1.45" of rain. The last decade has been 6.1°F warmer on this date compared to 20-30 years ago.

The last decade has been 6.1°F warmer on this date compared to 20-30 years ago.

Planning for September 6th in Fullerton, CA? Stay hydrated and seek shade during peak afternoon hours.

Warming Trend
1.7°F per decade on this date
YearHighLowAvgPrecipSnow
202591°67°79°
2024warmest112°76°94°
202385°68°76°
2022102°76°89°
202196°68°82°
2020105°77°91°
201994°71°82°
201885°64°74°
201790°70°80°
201688°63°75°
201592°63°77°
201496°67°81°
2013100°71°86°
201289°68°79°
201197°68°82°
201081°62°71°
200990°63°76°
200892°66°79°
200783°65°74°
200699°70°84°
200591°58°74°
2004100°65°82°
200396°68°82°
200287°71°79°
200179°64°71°
200090°56°73°
199979°62°70°
199880°70°75°
199791°69°80°
199686°64°75°
199596°69°83°
199492°64°78°
199384°65°74°
199284°60°72°
199180°63°71°
199094°67°80°
198988°61°74°
198894°67°80°
198782°57°70°
198681°63°72°
198577°60°69°
1984103°71°87°
198386°62°74°
198297°60°78°
198193°64°79°
198085°58°71°
197986°61°73°
197874°64°69°1.45"
1977100°59°80°
197684°62°73°
197586°58°72°
197494°61°77°
1973coldest84°51°68°
197285°67°76°0.1"
197197°58°77°
55 years of data from ANAHEIM

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.