Rancho Mirage Weather in September
September in Rancho Mirage brings extremely high temperatures around 39°C (102°F) during the day, dropping to 24°C (75°F) at night, with minimal rainfall.
Rainfall in Rancho Mirage in September
On average, there are about a single day with rain during this month, averaging 4.8 mm (0.2 in). If rain does fall, it tends to be a moderate shower rather than anything heavy.
Temperature in Rancho Mirage in September
September in Rancho Mirage sees highs of 39°C (102°F) and lows of 24°C (75°F) overnight. For most visitors, the main thing to prepare for is the heat during the day. With lows around 24°C (75°F), the nights are warm enough that a sheet is usually all you need for bedding.
Average water temperature in September
At 20°C (68°F), the water is pleasant for swimming. Most people find this range ideal — cool enough to be refreshing, warm enough to stay in comfortably.September in Rancho Mirage 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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Rancho Mirage's climate page.
Rancho Mirage Temperature in September
Min Temperature
24°C (75°F)
Max Temperature
39°C (102°F)
Water Temperature
20°C (68°F) *
Chance of Rain
3%
Precipitation
4.8 mm (0.2 in)
Rainy days
a single day
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
perfect weather
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unpleasant
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What to Wear in Rancho Mirage in September
Get ready for hot weather in September! Lightweight, breathable fabrics are your best friend during this month. Cotton and linen shirts, shorts, sundresses, and sandals will keep you comfortable. Light colors help reflect the heat, avoid wearing black. Almost no rain is expected, so no need to bring rain gear. With water temperatures around 20°C (68°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes.What To Do in Rancho Mirage in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Rancho Mirage's climate page.
Temperature Rainfall Water Temp
See the full Rancho Mirage climate overview or explore weather in the United States of America.
