Sal in September: weather, rain (23%) and should you go? [2026]

Month summary

Sal weather in September

✅ Good

🌡️ Temperature min / max

77°F – 86°F

🌧 Rainy days

23% of days

☀️ Sunshine

11.0h per day on average

🌊 🌊 Season

Autumn

⭐ ⭐ Weather score

8.2/10

📅 📅 Best month

June (9.4/10)

Quick decision

Should you visit Sal in September?

✅ Good

✅ Yes if: you're looking for maximum sunshine — 11.0h per day on average.

❌ No if: you struggle with heat — temperatures regularly exceed 30°F.

🌧 Rain : ██░░░░░░░░ 23%

🌡 Temperature : ████████░░ 86°F

☀️ Sunshine : ████████░░ 11.0h/d

Our take: September in Sal is absolutely glorious if you love heat and sunshine—expect warm days around 25–30°C with minimal rain (just 23%) and nearly 11 hours of daily sun. The sea hits a balmy 28°C, perfect for swimming or water sports without hesitation. This is ideal for sun worshippers and beach lovers who don't mind heat, though you might want lightweight layers for the occasional breeze.

By trip type

Sal in September by trip type

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

Local context

What to expect in September

Autumn in Sal is often underrated: 30°F, golden light and declining crowds. An interesting window. Rain risk remains low (23% of days), leaving good room for outdoor activities. A good balance between weather and crowds, even if June (9.4/10) remains theoretically better.

Browse by month

All months for Sal

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	68°F	77°F	0%	0.0in	10.8h	8.9/10
🌤️ February	68°F	75°F	4%	0.0in	10.9h	8.7/10
☀️ March	68°F	77°F	1%	0.0in	11.1h	8.9/10
☀️ April	68°F	77°F	1%	0.0in	11.4h	9.0/10
☀️ May	70°F	79°F	0%	0.0in	11.7h	9.2/10
☀️ June	72°F	81°F	1%	0.0in	11.6h	9.4/10
☀️ July	73°F	82°F	4%	0.0in	11.1h	9.3/10
☀️ August	75°F	84°F	18%	0.0in	11.0h	8.6/10
☀️ September	77°F	86°F	23%	0.0in	11.0h	8.2/10
☀️ October	77°F	86°F	4%	0.0in	11.0h	8.7/10
☀️ November	73°F	82°F	5%	0.0in	10.9h	9.3/10
☀️ December	72°F	79°F	3%	0.0in	10.9h	9.0/10

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, Sal averages 86°F, 23% rainy days and 11.0h of sunshine per day. Overall weather score: 8.2/10. See methodology →

Comparison