Anaheim Weather in September
Thinking of visiting Anaheim in September? Expect very high temperatures reaching 30°C (86°F) during the day, dropping to 18°C (64°F) at night, with minimal rainfall.
Rainfall in Anaheim in September
Records from the past 30 years suggest around a single day of rain, with 5 mm (0.2 in) average for the month. Any rain that does arrive is likely to be fairly light and short-lived.
Temperature in Anaheim in September
September in Anaheim is generally excellent, with days reaching 30°C (86°F) and nights settling around 18°C (64°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. At 18°C (64°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Anaheim in September
With approximately 290 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.September in Anaheim has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Anaheim's climate page.
Anaheim Temperature in September
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Anaheim typically stay consistent throughout September, with daily highs averaging around 30°C (86°F). Nights are pleasant, with lows typically ranging from 17°C (63°F) to 19°C (66°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Anaheim in September
Browse day-by-day weather records for Anaheim spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Anaheim historical weather extremes in September
Based on weather observations in Anaheim between 1976 and 2025, these are the recorded extremes during September.
- Anaheim recorded its highest September temperature of 43°C (109°F) on September 27, 2010.
- The coldest September day was on September 24, 1986, with a maximum of 18°C (64°F).
- Anaheim registered its coldest September night on September 19, 1978, with temperatures dropping to 11°C (52°F).
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
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What to Wear in Anaheim in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Almost no rain is expected, so no need to bring rain gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Anaheim in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Anaheim's climate page.
See the full Anaheim climate overview or explore weather in the United States of America.