30YearWeather
Scottsdale in September
Scottsdale weather in September - United States
☀️Hot & Sunny

Scottsdale Weather in September

Plan your September trip to Scottsdale, United States. Based on 30 years of NASA data, expect temperatures of 37°C (high) to 24°C (low), with 7% rain probability and 8 hours of daily sunshine. Great conditions with only 0 rainy days expected.

Avg High
37°C

Hottest around day 1

Avg Low
24°C

Coolest around day 30

Rainy Days
0days

7% avg rain chance

Sunshine
8hrs/day

Autumn season

Scottsdale September Weather Calendar

Click any day to see detailed weather information

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Safety

Moderate Safety

GPI: 2.44

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Health & Safety Advisory

CDC travel health recommendations

No Requirements

No Special Vaccinations Required

Standard travel precautions apply

Source: CDC Travelers' Health

View Complete Health Guide

Is September a Good Time to Visit Scottsdale?

👌Worthwhile timing with some trade-offs
Short Answer

Scottsdale's September brings intense but manageable heat - 37°C with bone-dry 33% humidity. Evenings cool significantly, creating pleasant dining and walking conditions.

Decision Factors

Extreme heat danger

37°C highs, potentially dangerous for outdoor activities

Excellent dry conditions

Only 7% rain probability - ideal for outdoor activities

Plenty of sunshine

11h of sunshine daily

Shoulder season - balanced conditions

50% of peak - good value with moderate crowds

Good For

  • 📸
    Photographers

    11h sunshine, 79% clear skies for golden hour shots

  • 💑
    Honeymoon couples

    Wedding score 85/100 with romantic weather conditions

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 👴
    Elderly travelers

    Heat index of 37°C poses health risks

  • 🌡️
    Heat-sensitive visitors

    37°C feels-like temperature creates discomfort

900 observations30-year historical data
Confidence: 90%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Scottsdale in September averages 37°C with 7% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Scottsdale in September

What are the temperatures in Scottsdale in September?

Daytime highs average 37°C, nights drop to 24°C. There's a significant day/night temperature swing.

How many rainy days in Scottsdale in September?

Expect around 0 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Scottsdale in September?

Light, breathable fabrics. Don't forget sunglasses and a hat.

Is September peak season in Scottsdale?

This is shoulder season—moderate prices and manageable crowds.