Las Vegas weather in September [2026]

Month summary

Las Vegas weather in September

✅ Good

🌡️ Temperature min / max

22°C – 36°C

🌧 Rainy days

4% of days

☀️ Sunshine

11.1h per day on average

🌊 🌊 Season

Autumn

⭐ ⭐ Weather score

6.9/10

📅 📅 Best month

April (9.3/10)

Quick decision

Should you visit Las Vegas in September?

✅ Good

✅ Yes if: you want shoulder-season value — fewer crowds, 36°C.

❌ No if: you need maximum sunshine — some overcast days are possible.

🌧 Rain : ░░░░░░░░░░ 4%

🌡 Temperature : █████████░ 36°C

☀️ Sunshine : ████████░░ 11.1h/d

Our take: Not the best window: 4% rain risk and 11.1h of sunshine. April is much safer.

By trip type

Las Vegas in September by trip type

🏙️ 🏙️ City break / culture : ✅ Good
🚶 🚶 Outdoor activities : ⚠️ Possible
🏖️ Beach / swimming : — No sea access
💰 💰 Budget : ✅ Low season

Local context

What to expect in September

🎯 Harvest season — fresh local produce at markets and restaurants Autumn marks the end of peak season in Las Vegas. Temperatures drop (36°C) and rain returns (4% of days). Rain is virtually absent (4% of days) — ideal for planning without a backup. Not the best window, but acceptable if dates are constrained. April (9.3/10) is significantly better if possible.

Browse by month

All months for Las Vegas

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

Annual table

Month-by-month comparison

Month	Min °C	Max °C	Rain %	Precip mm	Sun h/d	Score
⛅ January	4°C	14°C	12%	0.7	8.8h	7.0/10
🌤️ February	6°C	18°C	10%	0.6	9.8h	7.4/10
🌤️ March	9°C	21°C	13%	0.5	10.7h	8.0/10
☀️ April	14°C	27°C	5%	0.2	12.0h	9.3/10
☀️ May	18°C	32°C	4%	0.2	13.0h	8.6/10
🥵 June	24°C	39°C	2%	0.1	13.4h	6.9/10
🥵 July	28°C	41°C	5%	0.2	13.2h	6.9/10
🥵 August	26°C	40°C	6%	0.5	12.4h	6.9/10
🥵 September	22°C	36°C	4%	0.3	11.1h	6.9/10
☀️ October	15°C	28°C	4%	0.2	10.3h	9.2/10
🌤️ November	9°C	20°C	6%	0.5	9.0h	7.7/10
⛅ December	4°C	14°C	8%	0.5	8.7h	7.0/10

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, Las Vegas averages 36°C, 4% rainy days and 11.1h of sunshine per day. Overall weather score: 6.9/10. See methodology →

Comparison