Zion National Park weather
in September
“The kind of pleasant weather you build a trip around.”
Roughly 4 rainy days across the month, on average.
In september, Zion National Park 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 26°C (79°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 Zion National Park in September
- •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 Zion National Park in September
- →Quick-dry travel shirtAmazon · shop this
- →UPF sun hatAmazon · shop this
- →Reef-safe sunscreen SPF 50Amazon · shop this
- →Polarized sunglassesAmazon · shop this
- →Universal travel adapterAmazon · shop this
- →Compression packing cubesAmazon · shop this
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Where to stay in Zion National Park
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Zion National Park in September — FAQ
Q01Is September a good time to visit Zion National Park?
Is September a good time to visit Zion National Park?
Yes — this is one of the best months of the year to visit. In September, Zion National Park averages a high of 26°C (79°F) and a low of 12°C (54°F), with 25mm of rainfall across roughly 4 rainy days.
Q02What is the average temperature in Zion National Park in September?
What is the average temperature in Zion National Park in September?
The average high temperature in Zion National Park during September is 26°C (79°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 Zion National Park have in September?
How many rainy days does Zion National Park have in September?
Zion National Park averages approximately 4 rainy days in September, with a total monthly rainfall of about 25mm. 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 Zion National Park in September?
What should I pack for Zion National Park in September?
For Zion National Park in September, pack sunscreen and sunglasses, comfortable walking shoes. These recommendations are based on the ten-year weather averages for this specific month.
Q05How crowded is Zion National Park in September?
How crowded is Zion National Park in September?
Tourist crowds in Zion National Park during September are typically moderate — shoulder season, a sweet spot between crowds and weather. Consider this when planning accommodation — prices track crowd levels closely.