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Zion National Park (UT)
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Zion National Park (UT)
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United States weather

Weather in Zion National Park, Utah for September 2025

Your guide to Zion National Park weather in September - trends and predictions

    Temperatures

  • The forecast for the first days of September 2025 in Zion National Park predicts temperatures to be around 32 °F, close to the historical average.

  • In general, the average temperature in Zion National Park at the beginning of September is 32 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 24.1 °F by the end of September.

    • Rain 🌧️

  • With an average of 5 rainy days, Zion National Park experiences minimal rainfall in September.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
25
Dry days
Average rainy days
5
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/12°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
31 %
Avg humidity

Zion National Park Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
34°
2
Sunny
34°
3
Patchy rain possible
33°
4
Patchy rain possible
32°
5
Sunny
30°
6
Patchy rain possible
31°
7
Sunny
30°
8
Sunny
31°
9
Partly cloudy
31°
10
Sunny
31°
11
Sunny
33°
12
Overcast
19°
13
Sunny
20°
14
Patchy rain possible
21°
15
Moderate rain at times
20°
16
Heavy rain at times
17°
17
Moderate rain at times
12°
18
Overcast
16°
19
Sunny
17°
20
Patchy rain possible
18°
21
Patchy rain possible
17°
22
Patchy rain possible
19°
23
Sunny
21°
24
Sunny
22°
25
Sunny
23°
26
Sunny
24°
27
Sunny
25°
28
Sunny
25°
29
Sunny
24°
30
Sunny
26°

Temperatures trend during September in Zion National Park

See the weather trend as well as the moving average line

September weather in Zion National Park day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Sunny
Sunny
 34° /19° 0 mm 2.3
Sept. 2 Sunny
Sunny
 34° /20° 0 mm 0
Sept. 3 Patchy rain possible
Patchy rain possible
 33° /20° 1.3 mm 6
Sept. 4 Patchy rain possible
Patchy rain possible
 32° /17° 0.1 mm 5
Sept. 5 Sunny
Sunny
 30° /16° 0 mm 6
Sept. 6 Patchy rain possible
Patchy rain possible
 31° /16° 3.3 mm 5
Sept. 7 Sunny
Sunny
 30° /15° 0 mm 6
Sept. 8 Sunny
Sunny
 31° /17° 0 mm 6
Sept. 9 Partly cloudy
Partly cloudy
 31° /18° 0.1 mm 6
Sept. 10 Sunny
Sunny
 31° /17° 0 mm 6
Sept. 11 Sunny
Sunny
 33° /18° 0 mm 7
Sept. 12 Overcast
Overcast
 19° /10° 0 mm 4
Sept. 13 Sunny
Sunny
 20° /8° 0 mm 6
Sept. 14 Patchy rain possible
Patchy rain possible
 21° /10° 0.1 mm 5
Sept. 15 Moderate rain at times
Moderate rain at times
 20° /12° 4.2 mm 5
Sept. 16 Heavy rain at times
Heavy rain at times
 17° /10° 2.4 mm 4
Sept. 17 Moderate rain at times
Moderate rain at times
 12° /5° 2.5 mm 3
Sept. 18 Overcast
Overcast
 16° /5° 0 mm 4
Sept. 19 Sunny
Sunny
 17° /7° 0 mm 5
Sept. 20 Patchy rain possible
Patchy rain possible
 18° /8° 0.8 mm 4
Sept. 21 Patchy rain possible
Patchy rain possible
 17° /10° 0.7 mm 4
Sept. 22 Patchy rain possible
Patchy rain possible
 19° /8° 0.7 mm 4
Sept. 23 Sunny
Sunny
 21° /10° 0 mm 6
Sept. 24 Sunny
Sunny
 22° /9° 0 mm 6
Sept. 25 Sunny
Sunny
 23° /11° 0 mm 6
Sept. 26 Sunny
Sunny
 24° /12° 0 mm 6
Sept. 27 Sunny
Sunny
 25° /14° 0 mm 7
Sept. 28 Sunny
Sunny
 25° /14° 0 mm 7
Sept. 29 Sunny
Sunny
 24° /15° 0 mm 6
Sept. 30 Sunny
Sunny
 26° /19° 0 mm 7
Next
Important Notice
Our weather forecast for Zion National Park in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Zion National Park forecast closer to your planned date for the most up-to-date weather information.
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Zion National Park in September - FAQ

What are the expected maximum and minimum temperatures in Zion National Park during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Zion National Park during September?
Expect minimal rainfall in Zion National Park during September, with a total of 15.8 mm over approximately 5 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Zion National Park during September?
The average wind speed in Zion National Park during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Zion National Park

Explore the daily rainfall trends and prepare for Zion National Parks September weather 💧

UV exposure in Zion National Park during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Zion National Park?

Get accurate weather forecasts for Zion National Park, located at latitude 37.298 and longitude -113.026. Stay updated with localized weather information tailored for Zion National Park.

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