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United StatesThe weather in September in Grand Canyon National Park
It's warm in September in Grand Canyon National Park with an average temperature of 26°C. Temperatures this month range from a low of 22°C to a high of 29°C. At night, you can expect temperatures between 3°C and 10°C.
Looking for great weather? September is a good time to be in Grand Canyon National Park. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Grand Canyon National Park, Arizona. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 35°C in 2020, Grand Canyon National Park reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 12°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of -7°C to a highest value of 15°C.
Rainfall amount
In September, there is an average of 35 mm of precipitation, spread over 6 days. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in September for Grand Canyon National Park
Click on any day in September to get detailed info about the usual weather on that day in Grand Canyon National Park. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Grand Canyon National Park | New York | |
|---|---|---|
| Average temperature | 26°C | 27°C |
| Max. temperature | 29°C | 31°C |
| Min. temperature | 3°C | -5°C |
| Total precipitation | 35 mm | 57 mm |
| Rainy days | 6 days | 9 days |
Start of September
The month of September starts in Grand Canyon National Park with hot temps, averaging around 28°C during the day and nights around 9°C.
Mid September
By mid-September, daytime temps drop to around 26°C, with nights around 6°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of September
By the end of September, the average daytime temperature in Grand Canyon National Park is around 24°C, while nighttime temps are about 5°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Grand Canyon National Park for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in September in Grand Canyon National Park, Arizona. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Grand Canyon National Park
Temperature in September in Grand Canyon National Park over the years
Precipitation charts
These charts show the average amount of precipitation in September in Grand Canyon National Park, Arizona. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Grand Canyon National Park
Total precipitation in September in Grand Canyon National Park over the years
Daily UV index in September in Grand Canyon National Park
This chart shows the average daily UV index in September in Grand Canyon National Park, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in September in Grand Canyon National Park
The weather in September in Grand Canyon National Park is rated 4 out of 5 stars by 1 visitor. Have you been to Grand Canyon National Park? Share your weather experience to help other visitors.
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Don't let the weather spoil your fun, bring sunscreen and water. A nice cool breeze still blows every evening.— This text is automatically translated to English
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Share your weather experience in September in Grand Canyon National Park.
Average weather in Grand Canyon National Park by month
Click on a month below to see detailed weather info for Grand Canyon National Park. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.