Santa Barbara weather in September [2026]

Month summary

Santa Barbara weather in September

✅ Excellent

🌡️ Temperature min / max

63°F – 82°F

🌧 Rainy days

6% of days

☀️ Sunshine

11.9h per day on average

🌊 🌊 Season

Autumn

⭐ ⭐ Weather score

9.4/10

📅 📅 Best month

July (10.0/10)

Quick decision

Should you visit Santa Barbara in September?

✅ Excellent

✅ Yes if: you want to combine beach, sightseeing and hiking — versatile weather (28°F, little rain).

❌ No if: you want to avoid tourist crowds — this is the busiest period.

🌧 Rain : █░░░░░░░░░ 6%

🌡 Temperature : ███████░░░ 82°F

☀️ Sunshine : ████████░░ 11.9h/d

Our take: September is basically Santa Barbara showing off—you're looking at warm, sunny days perfect for beach time and wine country exploring. Rain is virtually nonexistent, so pack light and leave the umbrella at home. This is ideal for travelers who love sun and heat without the summer crowds, though if you're heat-sensitive, you might find the warmth a bit intense.

By trip type

Santa Barbara in September by trip type

🏙️ 🏙️ City break / culture : ✅ Good
🚶 🚶 Outdoor activities : ✅ Good
🏖️ Beach / swimming : ✅ Good
💰 💰 Budget : 💸 Peak season

Local context

What to expect in September

Autumn in Santa Barbara is often underrated: 28°F, golden light and declining crowds. An interesting window. Rain is virtually absent (6% of days) — ideal for planning without a backup. This is one of the best times of year to visit Santa Barbara.

Browse by month

All months for Santa Barbara

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Annual table

Month-by-month comparison

Month	Min °F	Max °F	Rain %	Precip in	Sun h/d	Score
🌤️ January	46°F	64°F	21%	0.2in	9.8h	7.2/10
🌤️ February	46°F	64°F	20%	0.1in	10.3h	7.2/10
🌤️ March	48°F	66°F	28%	0.1in	11.5h	7.3/10
🌤️ April	52°F	72°F	10%	0.0in	12.1h	8.4/10
🌤️ May	55°F	72°F	8%	0.0in	13.7h	8.7/10
☀️ June	61°F	77°F	2%	0.0in	14.0h	9.5/10
☀️ July	64°F	82°F	0%	0.0in	13.9h	10.0/10
☀️ August	66°F	84°F	2%	0.0in	13.0h	9.4/10
☀️ September	63°F	82°F	6%	0.0in	11.9h	9.4/10
☀️ October	59°F	79°F	5%	0.0in	10.8h	8.9/10
🌤️ November	52°F	72°F	11%	0.1in	9.8h	8.0/10
🌤️ December	48°F	66°F	19%	0.1in	9.7h	7.3/10

Ideal Fair Challenging climate ◀ Current month · Source Open-Meteo · 10 years

📊 Data source Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In September, Santa Barbara averages 82°F, 6% rainy days and 11.9h of sunshine per day. Overall weather score: 9.4/10. See methodology →

Comparison