Last updated: February 24, 2025
Experience the vibrant September weather of Anaheim, United States, where temperatures soar with a maximum of 38°C (102°F) and an average of 22°C (72°F), offering warm and welcoming days. The evenings bring a refreshing drop to a minimum of 15°C (58°F), providing a comfortable respite from the daytime heat. With 3 mm (0.1 in) of precipitation recorded and no rainy days, the month shines with clear skies and abundant sunshine. The humidity level rests at a moderate 68%, enhancing the summer feel without overwhelming the senses. Join us in delighting in the ideal conditions that make Anaheim a prime destination this September!
In September, Anaheim experiences a transition from the intense summer heat to milder autumn conditions. With minimum temperatures averaging around 15°C (58°F) and maximums peaking at a sizzling 38°C (102°F), the city still basks in warmth, reflecting the tail end of summer's influence. The average temperature rests comfortably at 22°C (72°F), making it an ideal time for outdoor activities. As the month progresses, the weather starts to hint at cooler months ahead, but September remains a vibrant time, with the lingering heat inviting visitors to enjoy the last days of summer in the picturesque Southern California sunshine.
September in Anaheim marks a notable shift in the precipitation pattern seen throughout the year. With a modest 3 mm (0.1 in) of rain recorded, it reflects a continuation of the very dry summer months, as the city experienced zero rainfall days during this period. This lack of precipitation aligns with the typical Southern California climate, where September often serves as a transition into the more humid fall months. As the region gears up for potential rainfall in October, the overall trend reveals a stark contrast to the wetter winter months, underscoring Anaheim's reliance on seasonal shifts to replenish its water supply.
As summer transitions into fall, September in Anaheim showcases a notable decline in humidity, dipping to 68%. This marks the end of a warmer season, where humidity levels have gently tapered off from a high of 79% in February and an average of 73% in July. The trend of decreasing moisture continues into October, which further drops to 67% before stabilizing in the cooler months. Overall, this gradual decline in humidity not only enhances the comfort of sunny days but also highlights the region's dry and pleasant autumnal climate.
In September, Anaheim continues to bask in summer-like conditions, with a UV Index of 10, categorizing it as very high exposure. This level indicates a burn time of just 15 minutes for unprotected skin, reinforcing the need for sunscreen and protective clothing during outdoor activities. The UV Index remains elevated from the previous months, consistent with the peak summer trends where values reached 11 in both June and July. As the year transitions into fall, this data underscores that protective measures should still be a priority in September. For more detailed insights, visit Anaheim UV Index.
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As September rolls into Anaheim, residents and visitors alike bask in the warm embrace of 316 hours of sunshine, marking a slight decline from the radiant days of summer that peaked in July with a record 379 hours. The month reflects a gentle transition, offering sunny afternoons ideal for outdoor adventures while hinting at the cooler days ahead. Interestingly, the sunshine hours remain robust compared to the beginning of the year, where January reported just 190 hours. With a total of 2,639 hours of sunshine from January through September, Anaheim's sunlight trends create a vibrant tapestry of warmth, making it an enticing destination as summer fades into fall.
In Anaheim, September boasts a sunny disposition with a 68% chance of clear skies, making it one of the sunniest months of the year. Following a summer peak in August at 67%, September maintains this upward trend in sunshine likelihood, surpassing several earlier months like April and May, which see much lower chances of sunshine at 51% and 48% respectively. This consistent warmth and brightness signals that as summer transitions into fall, residents and visitors alike can still enjoy the outdoors under sunny skies, making it an ideal time to explore the area.
As September rolls into Anaheim, the city basks in 12 hours of daylight, marking a subtle transition from the long, sunlit days of summer toward the shorter ones of fall. Following the peak of 14 hours in June and July, daylight gradually diminishes, reflecting nature's rhythm as it prepares for the cooler months ahead. This decrease in sunlight from August's 13 hours to September's 12 hours signals not just a shift in the season, but an opportunity to enjoy the warm, golden evenings that precede autumn. With October bringing a further reduction to 11 hours, the pattern indicates a steady retreat of daylight, reminding us of the cyclical beauty of the year in Southern California.
As summer transitions into fall, the September winds in Anaheim gently ease, averaging 2.3 m/s (5 mph), slightly down from the summer peak of 2.8 m/s (6 mph) earlier in the year. This subtle decline reflects a broader trend as the winds shift towards their seasonal lows, particularly noticeable as we move into October when speeds remain the same. Throughout the year, Anaheim experiences a consistent breeze, with only minor fluctuations, creating a pleasant atmosphere for outdoor activities. Interestingly, the overall wind patterns suggest a rhythm to the seasons, with calmer currents marking the onset of fall, inviting residents and visitors alike to enjoy the crisp air and vibrant surroundings.
The weather in Anaheim changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Anaheim and find detailed weather information for every month.
September brings warmer temperatures to the region, with averages around 22°C (72°F) and peaks reaching as high as 38°C (102°F). This month experiences almost no precipitation, making it quite dry, with humidity levels around 68%. In contrast, January sees a significant drop in temperatures, averaging 14°C (57°F) with highs of 29°C (85°F) and cooler mornings with lows around 5°C (41°F). Additionally, January is much wetter, receiving about 65 mm (2.5 in) of rainfall over roughly five days, and the humidity is slightly higher at 74%. For more detailed information on what's to expect in January, visit Anaheim weather in January.
In comparing the weather between September and February, September boasts a much warmer climate, with average temperatures around 22°C (72°F) and peaks reaching as high as 38°C (102°F). This month experiences very little precipitation, averaging just 3 mm over the course of the month and maintaining a humidity level of 68%. In contrast, February sees cooler and more variable temperatures, with an average of 14°C (58°F) and maximums of 30°C (85°F). This month is characterized by significantly higher precipitation, totaling 52 mm across approximately five days, and a humidity level of 79%. For those interested in more detailed insights, you can explore Anaheim weather in February.
In September, the weather is typically warm, with temperatures ranging from a minimum of 15°C (58°F) to a maximum of 38°C (102°F) and an average of 22°C (72°F). The month sees minimal precipitation, with just 3 mm (0.1 in) and no rainy days, resulting in a relatively dry and humid atmosphere at 68%. In contrast, March experiences cooler temperatures, with a minimum of 7°C (44°F), an average of 15°C (60°F), and a maximum of 27°C (81°F). This month is much wetter, receiving approximately 55 mm (2.2 in) of rain over 8 days, and has a slightly higher humidity of 75%. For more detailed information, you can check Anaheim weather in March.
September and April present contrasting weather patterns. September typically enjoys warmer temperatures, with a minimum of 15°C (58°F) and an average of 22°C (72°F), reaching highs of up to 38°C (102°F), while April experiences cooler conditions, with a minimum of 10°C (51°F) and an average of 17°C (63°F), peaking at 34°C (94°F). Additionally, April tends to be wetter, receiving about 23 mm (0.9 in) of precipitation over two days, compared to September’s dry conditions with no recorded precipitation. Humidity levels are relatively similar, sitting at 68% in September and slightly higher at 70% in April. For a deeper look at April weather patterns, visit Anaheim weather in April.
September and May present distinct weather patterns, offering a notable contrast. September tends to be warmer, with average temperatures reaching 22°C (72°F) and maximums soaring up to 38°C (102°F), while May's temperatures are generally cooler, averaging 18°C (64°F) and peaking at 30°C (86°F). Rainfall also differs, as September experiences virtually no precipitation, while May sees about 12 mm (0.5 in) over approximately three days. Humidity levels remain relatively similar, with September at 68% and May at 70%. For a closer look at May's weather specifics, you can visit Anaheim weather in May.
In comparing the weather between September and June, we see a noticeable difference in temperature. September tends to be warmer, with minimums around 15°C (58°F) and maximums soaring up to 38°C (102°F), while June has slightly cooler temperatures, ranging from a minimum of 14°C (57°F) to a maximum of 33°C (91°F). Both months have low precipitation levels, with September experiencing just 3 mm (0.1 in) and June slightly higher at 4 mm (0.2 in), though both record zero rainy days. Humidity levels are relatively similar, with September at 68% and June at 72%, creating a consistently warm and dry atmosphere in both months. For a detailed look at weather patterns, you can check Anaheim weather in June.
In comparing the weather between September and July, we notice some intriguing similarities and slight variations. Both months showcase similar average temperatures, hovering around 22°C (72°F), with July experiencing a marginally higher maximum temperature of 39°C (103°F), compared to September's peak of 38°C (102°F). Precipitation levels remain consistent, with both months recording just 3 mm (0.1 in) and no rainy days. However, humidity is slightly higher in July at 73%, while September has a humidity level of 68%. For a more detailed look at the climate in July, you can check out Anaheim weather in July.
In comparing the weather of September and August, we see that both months offer warm temperatures, but September tends to be slightly hotter overall. In September, temperatures range from a minimum of 15°C (58°F) to a maximum of 38°C (102°F), with an average temperature of 22°C (72°F). In contrast, August has a more moderate temperature range, with a minimum of 15°C (60°F) and a maximum of 34°C (94°F), averaging at 23°C (73°F). Both months experience minimal precipitation, with only 3 mm (0.1 in) in September and 2 mm (0.1 in) in August, and both have zero rainy days, leading to similar humidity levels of around 68% and 69%. For more detailed insights into August weather specifically, you can check Anaheim weather in August.
In comparing the weather between September and October, September typically boasts warmer temperatures, with an average of 22°C (72°F) and maximum highs reaching up to 38°C (102°F). It experiences very little rainfall, averaging only 3 mm with no rainy days and maintaining a humidity level of 68%. In contrast, October sees a slight drop in average temperature to 20°C (69°F) while still allowing for maximum highs of 38°C (101°F). This month also brings increased precipitation, totaling 9 mm across 2 days, and a marginally lower humidity of 67%. For more detailed insights into the weather in October, you can visit Anaheim weather in October.
September and November showcase a noticeable transition in weather. September typically features warmer temperatures, with a minimum of 15°C (58°F) and an average high reaching up to 38°C (102°F). Precipitation is minimal, averaging just 3 mm over the month, with no rainy days reported. In contrast, November brings cooler conditions, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 32°C (90°F) and an average of 17°C (63°F). The month also sees an increase in precipitation, totaling 18 mm over two days. Despite the differences, both months maintain a steady humidity level at 68%. For more details, check Anaheim weather in November.
September weather features warmer temperatures, with a minimum of 15°C (58°F) and an average high reaching up to 38°C (102°F). The month is characterized by low precipitation, recording only 3 mm (0.1 in) and humidity levels around 68%. In contrast, December brings cooler temperatures, with a minimum of 5°C (42°F) and an average high of 27°C (82°F). Unlike September, December sees a significant increase in precipitation, totaling 68 mm (2.7 in) over 5 days, accompanied by a slight rise in humidity to 71%. For more details on December weather, you can check Anaheim weather in December.
As summer begins to wind down, September in Anaheim showcases a delightful shift in weather. With warm temperatures peaking around 38°C (102°F) but averaging a mellow 22°C (72°F), it’s a perfect time to enjoy outdoor activities. Unlike other months, September boasts remarkably low precipitation, with no rainy days to disrupt your plans, allowing for clear skies and sunny afternoons. However, the humidity can linger at around 68%, adding a touch of warmth to the pleasant evenings. For those curious about how Anaheim’s climate varies throughout the year, check out Anaheim Climate.