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Weather in Aurora, Colorado for September 2025

Your guide to Aurora weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Aurora is cooler than usual, with temperatures averaging 26.2 °F, this is -2.1 °F below the typical seasonal average.

  • Expect cooler weather in the next days in Aurora with the forecast suggesting a temperature of 26.3 °F, lower than the historical average.

  • In general, the average temperature in Aurora at the beginning of September is 29.1 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 27.3 °F by the end of September.

    • Rain 🌧️

  • Aurora experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 40.9 mm.

    • More

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

Average dry days
22
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
27°/13°
Temperatures
Average wind speed
24 km/h
Avg max wind
Average humidity
37 %
Avg humidity

Aurora Weather September

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

Temperatures trend during September in Aurora

See the weather trend as well as the moving average line

September weather in Aurora day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Sunny
Sunny
 31° /15° 0 mm 8
Sept. 2 Overcast
Overcast
 31° /15° 0 mm 7
Sept. 3 Partly cloudy
Partly cloudy
 31° /16° 0.7 mm 7
Sept. 4 Partly cloudy
Partly cloudy
 31° /15° 2.2 mm 8
Sept. 5 Partly cloudy
Partly cloudy
 23° /12° 2.2 mm 6
Sept. 6 Sunny
Sunny
 27° /12° 0 mm 7
Sept. 7 Partly cloudy
Partly cloudy
 30° /15° 0 mm 8
Sept. 8 Partly cloudy
Partly cloudy
 30° /14° 0 mm 8
Sept. 9 Partly cloudy
Partly cloudy
 30° /15° 0 mm 7
Sept. 10 Thundery outbreaks possible
Thundery outbreaks possible
 27° /14° 3.9 mm 7
Sept. 11 Thundery outbreaks possible
Thundery outbreaks possible
 26° /14° 2.4 mm 6
Sept. 12 Mist
Mist
 27° /13° 0 mm 6
Sept. 13 Thundery outbreaks possible
Thundery outbreaks possible
 26° /12° 3.4 mm 6
Sept. 14 Overcast
Overcast
 26° /11° 0 mm 6
Sept. 15 Cloudy
Cloudy
 26° /12° 0.1 mm 6
Sept. 16 Moderate rain
Moderate rain
 26° /13° 8.7 mm 1.4
Sept. 17 Thundery outbreaks possible
Thundery outbreaks possible
 19° /13° 0 mm 1.5
Sept. 18 Partly cloudy
Partly cloudy
 23° /12° 0 mm 1.5
Sept. 19 Sunny
Sunny
 27° /11° 0 mm 1.8
Sept. 20 Patchy rain possible
Patchy rain possible
 29° /16° 0.5 mm 0
Sept. 21 Sunny
Sunny
 25° /17° 0 mm 6
Sept. 22 Sunny
Sunny
 28° /15° 0 mm 6
Sept. 23 Sunny
Sunny
 27° /13° 0 mm 5
Sept. 24 Sunny
Sunny
 31° /14° 0 mm 6
Sept. 25 Sunny
Sunny
 28° /17° 0 mm 6
Sept. 26 Sunny
Sunny
 31° /16° 0 mm 6
Sept. 27 Patchy rain possible
Patchy rain possible
 30° /15° 0.5 mm 5
Sept. 28 Sunny
Sunny
 25° /11° 0 mm 5
Sept. 29 Sunny
Sunny
 19° /10° 0 mm 4
Sept. 30 Partly cloudy
Partly cloudy
 27° /11° 0.1 mm 7
Next
Important Notice
Our weather forecast for Aurora 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 Aurora forecast closer to your planned date for the most up-to-date weather information.
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Aurora in September - FAQ

What are the expected maximum and minimum temperatures in Aurora during September?
Enjoy moderate daytime temperatures of up to 27° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Aurora during September?
In September, Aurora can expect light to moderate rainfall, totaling 40.9 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Aurora during September?
The average wind speed in Aurora during September is 24 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Aurora

Explore the daily rainfall trends and prepare for Auroras September weather 💧

UV exposure in Aurora during September

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

Quick links

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Location coordinates Where is Aurora?

Get accurate weather forecasts for Aurora, located at latitude 39.729 and longitude -104.832. Stay updated with localized weather information tailored for Aurora.

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