Grand Canyon weather in September
“The kind of pleasant weather you build a trip around.”
Roughly 6 rainy days across the month, on average.
In september, Grand Canyon settles into its kind, mild rhythm. The city keeps a different pulse than in summer or midwinter, and travellers who arrive with the right expectations are rewarded.
Days average around 25°C (76°F), cooling to 12°C after sunset. Rain is rare enough that you can plan without a contingency. Long days of sunshine reward early starts.
These figures are climatological averages, drawn from a decade of daily records via the Open-Meteo Archive — not a forecast. But they are honest, and they are the sort of thing a good travel guide ought to tell you before you book the flight.
What to pack for Grand Canyon in September
- •A light layer for cool mornings and evenings
- •Layers, because the day changes
- •Reef-safe sunscreen and polarised sunglasses
- •Comfortable, broken-in walking shoes
- •A small daypack that won't look like a tourist beacon
What to pack for Grand Canyon in September
- →Breathable travel pantsAmazon · shop this
- →Reef-safe sunscreen SPF 50Amazon · shop this
- →Polarized sunglassesAmazon · shop this
- →Universal travel adapterAmazon · shop this
- →Compression packing cubesAmazon · shop this
- →Anti-theft crossbody bagAmazon · shop this
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Where to stay in Grand Canyon
We don't review individual hotels — plenty of people do that well. What we do is send you to compare rooms in Grand Canyon across trusted platforms.
Compare hotels on Booking.com→September vs. the rest of the year
How this month compares in Grand Canyon. Tap any month to read more.
highlighted months are among the best time to visit.
Best time to visit Grand Canyon
While September has its own character in Grand Canyon, the data-backed best months to visit Grand Canyon are May, June, July, August. These months combine the most favourable temperatures, rainfall, and sunshine across a ten-year climate record.
See the full best-time-to-visit guide for Grand CanyonOther places with a similar climate right now
Grand Canyon in September — FAQ
Q01Is September a good time to visit Grand Canyon?
Is September a good time to visit Grand Canyon?
Yes — this is one of the best months of the year to visit. In September, Grand Canyon averages a high of 25°C (76°F) and a low of 12°C (54°F), with 26mm of rainfall across roughly 6 rainy days.
Q02What is the average temperature in Grand Canyon in September?
What is the average temperature in Grand Canyon in September?
The average high temperature in Grand Canyon during September is 25°C (76°F), with an average low of 12°C (54°F). These figures are averaged from ten years of daily records (2015–2024, Open-Meteo Archive).
Q03How many rainy days does Grand Canyon have in September?
How many rainy days does Grand Canyon have in September?
Grand Canyon averages approximately 6 rainy days in September, with a total monthly rainfall of about 26mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.
Q04What should I pack for Grand Canyon in September?
What should I pack for Grand Canyon in September?
For Grand Canyon in September, pack layered clothing for changing temperatures, sunscreen and sunglasses, comfortable walking shoes. These recommendations are based on the ten-year weather averages for this specific month.
Q05How crowded is Grand Canyon in September?
How crowded is Grand Canyon in September?
Tourist crowds in Grand Canyon during September are typically moderate — shoulder season, a sweet spot between crowds and weather. Consider this when planning accommodation — prices track crowd levels closely.