Fountain Hills Weather in September

Fountain Hills in September sees extremely high temperatures, with highs around 37°C (99°F) and overnight lows of 23°C (73°F). Around 27 mm (1.1 in) of rainfall is typical, so a light rain jacket is a sensible addition to your bag.

Rainfall in Fountain Hills in September

On average, there are about 4 days with rain during this month, averaging 27 mm (1.1 in). When rain does fall, showers tend to be light and brief. Most days will be dry.

Temperature in Fountain Hills in September

Daytime temperatures in Fountain Hills reach 37°C (99°F) in September, dropping to 23°C (73°F) at night. If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. Nights stay warm at around 23°C (73°F), so light bedding and good ventilation are worth thinking about.

Sunshine in Fountain Hills in September

There are approximately 328 hours of sunshine this month, resulting in mostly clear days.

September in Fountain Hills has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

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• January
• February
• March
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• May
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• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Fountain Hills's climate page.

Fountain Hills Temperature in September

Min Temperature 23°C (73°F)  

Max Temperature 37°C (99°F)  

Chance of Rain 13%  

Precipitation 27 mm (1.1 in)  

Rainy days 4 days  

Sunshine 328 hours *  

Percentage Sunshine *  

* Data from: Scottsdale, the United States of America (22 KM, 14 Miles).

What to Wear in Fountain Hills in September

Pack for serious heat in Fountain Hills in September. Prioritize clothing that breathes and doesn't cling or stick. Lightweight cotton, linen, and moisture-wicking fabrics are ideal. A wide hat provides welcome shade. Light rain is possible, so consider bringing a small umbrella or rain jacket. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Fountain Hills in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

10/10

Camping

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Fountain Hills's climate page.

More climate data for Fountain Hills

Temperature Rainfall Sunshine

See the full Fountain Hills climate overview or explore weather in the United States of America.