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Weather in Santa Clarita, California for September 2025

Your guide to Santa Clarita weather in September - trends and predictions

    Official Weather Alert ⚠️

  • Beach Hazards Statement - See hour by hour.

    • Temperatures

  • Until now, September 2025 in Santa Clarita is slightly cooler than the historical average by -1.5 °F.

  • The forecast for the next days in Santa Clarita predicts temperatures to be around 33 °F, close to the historical average.

  • In general, the average temperature in Santa Clarita at the beginning of September is 34.1 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 31.9 °F by the end of September.

    • Rain 🌧️

  • Precipitation in Santa Clarita during September is a rare event, with an average of fewer than 2 rainy days.

    • More

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

Average dry days
29
Dry days
Average rainy days
1
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/17°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
47 %
Avg humidity

Santa Clarita Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
34°
2
Cloudy
34°
3
Patchy rain possible
32°
4
Sunny
34°
5
Sunny
35°
6
Sunny
35°
7
Sunny
35°
8
Sunny
35°
9
Sunny
34°
10
Overcast
30°
11
Partly cloudy
29°
12
Sunny
29°
13
Sunny
29°
14
Sunny
30°
15
Weather Alert Sunny
36°
16
Sunny
37°
17
Partly cloudy
34°
18
Moderate rain
23°
19
Moderate rain
24°
20
Partly cloudy
29°
21
Sunny
34°
22
Sunny
37°
23
Sunny
36°
24
Sunny
37°
25
Sunny
36°
26
Sunny
32°
27
Sunny
30°
28
Sunny
30°
29
Sunny
31°
30
Light rain shower
27°

Temperatures trend during September in Santa Clarita

See the weather trend as well as the moving average line

September weather in Santa Clarita day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Sunny
Sunny
 34° /20° 0.4 mm 8
Sept. 2 Cloudy
Cloudy
 34° /20° 0 mm 8
Sept. 3 Patchy rain possible
Patchy rain possible
 32° /19° 0.1 mm 8
Sept. 4 Sunny
Sunny
 34° /20° 0 mm 8
Sept. 5 Sunny
Sunny
 35° /21° 0 mm 9
Sept. 6 Sunny
Sunny
 35° /20° 0 mm 9
Sept. 7 Sunny
Sunny
 35° /22° 0 mm 9
Sept. 8 Sunny
Sunny
 35° /21° 0 mm 8
Sept. 9 Sunny
Sunny
 34° /21° 0 mm 8
Sept. 10 Overcast
Overcast
 30° /19° 0 mm 7
Sept. 11 Partly cloudy
Partly cloudy
 29° /17° 0 mm 7
Sept. 12 Sunny
Sunny
 29° /16° 0 mm 7
Sept. 13 Sunny
Sunny
 29° /15° 0 mm 7
Sept. 14 Sunny
Sunny
 30° /15° 0 mm 7
Sept. 15 Sunny
Sunny
 36° /18° 0 mm 1.9
Sept. 16 Sunny
Sunny
 37° /20° 0 mm 2
Sept. 17 Partly cloudy
Partly cloudy
 34° /21° 0 mm 1.7
Sept. 18 Moderate rain
Moderate rain
 23° /21° 9.5 mm 1.9
Sept. 19 Moderate rain
Moderate rain
 24° /20° 7.2 mm 0
Sept. 20 Partly cloudy
Partly cloudy
 29° /18° 0 mm 6
Sept. 21 Sunny
Sunny
 34° /20° 0 mm 7
Sept. 22 Sunny
Sunny
 37° /23° 0 mm 7
Sept. 23 Sunny
Sunny
 36° /24° 0 mm 7
Sept. 24 Sunny
Sunny
 37° /25° 0 mm 8
Sept. 25 Sunny
Sunny
 36° /24° 0 mm 7
Sept. 26 Sunny
Sunny
 32° /20° 0 mm 7
Sept. 27 Sunny
Sunny
 30° /17° 0 mm 6
Sept. 28 Sunny
Sunny
 30° /17° 0 mm 6
Sept. 29 Sunny
Sunny
 31° /17° 0 mm 8
Sept. 30 Light rain shower
Light rain shower
 27° /15° 1.9 mm 7
Next
Important Notice
Our weather forecast for Santa Clarita 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 Santa Clarita forecast closer to your planned date for the most up-to-date weather information.
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Santa Clarita in September - FAQ

What are the expected maximum and minimum temperatures in Santa Clarita during September?
Expect warm days with temperatures around 30°, cooling to mild conditions of 17° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Santa Clarita during September?
Rainfall in Santa Clarita during September is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 1 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Santa Clarita during September?
The average wind speed in Santa Clarita during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Santa Clarita

Explore the daily rainfall trends and prepare for Santa Claritas September weather 💧

UV exposure in Santa Clarita during September

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

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Location coordinates Where is Santa Clarita?

Get accurate weather forecasts for Santa Clarita, located at latitude 34.392 and longitude -118.543. Stay updated with localized weather information tailored for Santa Clarita.

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