Do I need a jacket in Anaheim in September?

Probably not for daytime — highs average around 85°F. A light layer for air-conditioned interiors is enough.

Will it rain in Anaheim in September?

Only about 1 rainy days on average — a packable rain shell is usually enough without a full umbrella.

How hot does Anaheim get in September?

Daytime highs average around 85°F. Lean toward breathable fabrics like cotton and linen, and bring sun protection.

Packing List

September Packing List for Anaheim — What to Wear & Bring

September Anaheim averages 85°F highs and 66°F lows with only 1 rainy day — warm but less crowded than summer. Santa Ana winds can spike temperatures above 95°F unexpectedly; keep sun protection in your park bag all month.

Averages 6685°F, ~1 days of rain

Edited by ForecastStyle·Last updated March 25, 2026

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Clothing

Lightweight sundresses and breathable tops
Anaheim September averages 85°F — only 2°F below August's peak — and the inland location means September heat remains significant at Disneyland's outdoor queue areas, particularly during Santa Ana wind events that push temperatures above 95°F.
Packable light cardigan
Disneyland September air conditioning remains consistent at 68°F even as outdoor temperatures average 85°F — the standard Disneyland indoor-outdoor temperature gap makes a packable cardigan in a park bag as useful in September as in August.
Extra light layer for Santa Ana days
Anaheim Santa Ana wind events in September push hot, dry desert air across inland SoCal, sending temperatures above 95°F — these events require the opposite of layering: switching to your absolute lightest fabrics when a Santa Ana event is forecast.
Light evening layer
Anaheim September evenings return to 66°F — noticeably cooler than the 68°F August overnight low — and Disneyland's Oogie Boogie Bash Halloween event evenings require a light layer for comfortable outdoor time after 8 PM.
Halloween costume or themed outfit (for event nights)
Disneyland Oogie Boogie Bash Halloween party at Disney California Adventure runs select nights in September — costumes or Disney-bound outfits are welcome and popular; plan for 85°F outdoor temperatures in a costume that breathes well.

Footwear

Cushioned walking shoes or sneakers
Disneyland September crowds drop from August peaks but the park's operating hours remain extended — the improved crowd conditions make September one of the better months to cover more park ground, requiring the same cushioned walking footwear.
Breathable flat sandals
Anaheim September afternoons at 85°F are warm enough for sandals at Disneyland's outdoor areas — the back-to-school crowd reduction means more comfortable movement through the park, and September is one of the best months for casual sandal-based park visiting.
Closed-toe shoes for Santa Ana days
Anaheim Santa Ana wind events bring hot, dry, dusty air to the Disneyland Resort area — closed-toe shoes protect feet from the debris and dry heat conditions that accompany strong Santa Ana events when dry desert air replaces normal coastal flow.

Accessories

Wide-brim sun hat
Anaheim September UV index remains at 8–9 — summer sun intensity lingers through September at Disneyland's outdoor queue lines and the open plaza areas of Disney California Adventure, where natural shade is minimal.
SPF 50+ sunscreen
Anaheim September outdoor Disneyland time in 85°F sun requires SPF 50+ — UV index 8–9 at this latitude warrants reapplication every 2 hours for outdoor queue time, particularly during Santa Ana days when reduced coastal cloud cover makes UV more intense.
Sunglasses
Anaheim September Santa Ana events produce particularly clear, bright days with reduced atmospheric moisture — the intensified sunlight during Santa Ana conditions at Disneyland's open main entry plaza requires good UV-protective eyewear.
Insulated water bottle
Anaheim September 85°F heat at Disneyland is amplified during Santa Ana events — an insulated water bottle keeps drinks cold during outdoor queue waits and is particularly important during dry Santa Ana conditions when humidity drops to 10–15%.

Local tips for Anaheim in September

Anaheim Santa Ana wind events in September are the biggest packing wildcard of the fall season — a forecast 85°F day can become a 97°F day with low humidity and hot desert wind within hours; always check the extended forecast before arriving and keep sun protection accessible in your park bag.

Disneyland Oogie Boogie Bash Halloween party tickets are separate from regular park admission and sell out months in advance — the event runs on select nights in September through November at Disney California Adventure; costumes are allowed and the crowd is mostly families in festive dress.

Anaheim September is one of the best times to visit Disneyland — back-to-school crowd reduction means wait times drop significantly from August peaks, the Halloween decorations are up, and the weather is warm without the summer extremes; mid-to-late September weekdays offer near-ideal park conditions.

FAQ — Anaheim in September

Probably not for daytime — highs average around 85°F. A light layer for air-conditioned interiors is enough.
Only about 1 rainy days on average — a packable rain shell is usually enough without a full umbrella.
Daytime highs average around 85°F. Lean toward breathable fabrics like cotton and linen, and bring sun protection.