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Weather in Corona, California for September 2025

Your guide to Corona weather in September - trends and predictions

    Official Weather Alert ⚠️

  • Heat Advisory - See hour by hour.

    • Temperatures

  • Until now, September 2025 in Corona is slightly cooler than the historical average by -0.8 °F.

  • The forecast for the next days in Corona predicts temperatures to be around 32 °F, close to the historical average.

  • In general, the average temperature in Corona at the beginning of September is 34.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 29.7 °F by the end of September.

    • Rain 🌧️

  • Precipitation in Corona 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
16 km/h
Avg max wind
Average humidity
53 %
Avg humidity

Corona Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
34°
2
Overcast
33°
3
Mist
33°
4
Sunny
33°
5
Sunny
35°
6
Sunny
36°
7
Sunny
36°
8
Sunny
36°
9
Sunny
33°
10
Overcast
30°
11
Partly cloudy
30°
12
Sunny
29°
13
Sunny
29°
14
Partly cloudy
30°
15
Sunny
30°
16
Weather Alert Sunny
39°
17
Partly cloudy
32°
18
Overcast
31°
19
Moderate rain
28°
20
Sunny
29°
21
Sunny
33°
22
Sunny
35°
23
Sunny
34°
24
Sunny
32°
25
Sunny
33°
26
Sunny
30°
27
Sunny
27°
28
Sunny
28°
29
Sunny
30°
30
Light rain shower
28°

Temperatures trend during September in Corona

See the weather trend as well as the moving average line

September weather in Corona day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Sunny
Sunny
 34° /21° 1.1 mm 8
Sept. 2 Overcast
Overcast
 33° /22° 0 mm 7
Sept. 3 Mist
Mist
 33° /21° 0 mm 7
Sept. 4 Sunny
Sunny
 33° /20° 0 mm 8
Sept. 5 Sunny
Sunny
 35° /21° 0 mm 8
Sept. 6 Sunny
Sunny
 36° /21° 0 mm 8
Sept. 7 Sunny
Sunny
 36° /21° 0 mm 9
Sept. 8 Sunny
Sunny
 36° /22° 0.1 mm 8
Sept. 9 Sunny
Sunny
 33° /21° 0 mm 8
Sept. 10 Overcast
Overcast
 30° /20° 0 mm 7
Sept. 11 Partly cloudy
Partly cloudy
 30° /19° 0 mm 7
Sept. 12 Sunny
Sunny
 29° /16° 0 mm 7
Sept. 13 Sunny
Sunny
 29° /15° 0 mm 7
Sept. 14 Partly cloudy
Partly cloudy
 30° /15° 0 mm 7
Sept. 15 Sunny
Sunny
 30° /15° 0 mm 7
Sept. 16 Sunny
Sunny
 39° /19° 0 mm 1.9
Sept. 17 Partly cloudy
Partly cloudy
 32° /20° 0 mm 1.6
Sept. 18 Overcast
Overcast
 31° /18° 0 mm 1.7
Sept. 19 Moderate rain
Moderate rain
 28° /22° 8 mm 0.7
Sept. 20 Sunny
Sunny
 29° /20° 0 mm 0
Sept. 21 Sunny
Sunny
 33° /20° 0 mm 7
Sept. 22 Sunny
Sunny
 35° /22° 0 mm 7
Sept. 23 Sunny
Sunny
 34° /26° 0 mm 7
Sept. 24 Sunny
Sunny
 32° /23° 0 mm 7
Sept. 25 Sunny
Sunny
 33° /22° 0 mm 7
Sept. 26 Sunny
Sunny
 30° /21° 0 mm 6
Sept. 27 Sunny
Sunny
 27° /18° 0 mm 6
Sept. 28 Sunny
Sunny
 28° /19° 0 mm 6
Sept. 29 Sunny
Sunny
 30° /18° 0 mm 6
Sept. 30 Light rain shower
Light rain shower
 28° /14° 0.7 mm 7
Next
Important Notice
Our weather forecast for Corona 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 Corona forecast closer to your planned date for the most up-to-date weather information.
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Corona in September - FAQ

What are the expected maximum and minimum temperatures in Corona 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 Corona during September?
Rainfall in Corona 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 Corona during September?
The average wind speed in Corona during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Corona

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

UV exposure in Corona 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 Corona?

Get accurate weather forecasts for Corona, located at latitude 33.875 and longitude -117.566. Stay updated with localized weather information tailored for Corona.

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