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United States weather

Weather in Garden Grove for September 2025

Your guide to Garden Grove weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Garden Grove at the beginning of September is 28.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 24.1 °F by the end of September.

    • Rain 🌧️

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

    • More

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Average dry days
29
Dry days
Average rainy days
1
Rainy days
Average snowy days
0
Snow days
Average temperatures
25°/18°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
66 %
Avg humidity

Garden Grove in September average weather

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
27°
2
Cloudy
27°
3
Overcast
27°
4
Overcast
27°
5
Overcast
29°
6
Overcast
29°
7
Cloudy
32°
8
Partly cloudy
34°
9
Partly cloudy
33°
10
Cloudy
29°
11
Partly cloudy
27°
12
Mist
25°
13
Overcast
24°
14
Overcast
24°
15
Overcast
23°
16
Mist
22°
17
Overcast
23°
18
Overcast
22°
19
Overcast
23°
20
Overcast
22°
21
Patchy rain possible
21°
22
Overcast
25°
23
Cloudy
25°
24
Mist
24°
25
Overcast
25°
26
Overcast
24°
27
Cloudy
24°
28
Cloudy
24°
29
Overcast
25°
30
Light rain shower
23°
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Temperatures trend during September in Garden Grove

See the weather trend as well as the moving average line

September weather day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Patchy rain possible
Patchy rain possible
 27° /20° 1.5 mm 7
Sept. 2 Cloudy
Cloudy
 27° /20° 0 mm 7
Sept. 3 Overcast
Overcast
 27° /20° 0 mm 7
Sept. 4 Overcast
Overcast
 27° /20° 0 mm 7
Sept. 5 Overcast
Overcast
 29° /20° 0 mm 7
Sept. 6 Overcast
Overcast
 29° /21° 0 mm 7
Sept. 7 Cloudy
Cloudy
 32° /21° 0 mm 8
Sept. 8 Partly cloudy
Partly cloudy
 34° /22° 0 mm 8
Sept. 9 Partly cloudy
Partly cloudy
 33° /23° 0 mm 8
Sept. 10 Cloudy
Cloudy
 29° /21° 0 mm 7
Sept. 11 Partly cloudy
Partly cloudy
 27° /20° 0 mm 7
Sept. 12 Mist
Mist
 25° /18° 0 mm 6
Sept. 13 Overcast
Overcast
 24° /18° 0 mm 6
Sept. 14 Overcast
Overcast
 24° /17° 0 mm 6
Sept. 15 Overcast
Overcast
 23° /17° 0 mm 5
Sept. 16 Mist
Mist
 22° /17° 0.1 mm 5
Sept. 17 Overcast
Overcast
 23° /16° 0 mm 5
Sept. 18 Overcast
Overcast
 22° /16° 0 mm 5
Sept. 19 Overcast
Overcast
 23° /16° 0 mm 5
Sept. 20 Overcast
Overcast
 22° /15° 0 mm 5
Sept. 21 Patchy rain possible
Patchy rain possible
 21° /15° 0.1 mm 5
Sept. 22 Overcast
Overcast
 25° /16° 0 mm 6
Sept. 23 Cloudy
Cloudy
 25° /17° 0 mm 6
Sept. 24 Mist
Mist
 24° /15° 0 mm 6
Sept. 25 Overcast
Overcast
 25° /15° 0 mm 6
Sept. 26 Overcast
Overcast
 24° /15° 0 mm 5
Sept. 27 Cloudy
Cloudy
 24° /15° 0 mm 6
Sept. 28 Cloudy
Cloudy
 24° /15° 0 mm 5
Sept. 29 Overcast
Overcast
 25° /15° 0 mm 6
Sept. 30 Light rain shower
Light rain shower
 23° /16° 0.6 mm 6
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Important Notice
Our weather forecast for Garden Grove 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 Garden Grove forecast closer to your planned date for the most up-to-date weather information.

Garden Grove in September - FAQ

What are the expected maximum and minimum temperatures in Garden Grove during September?
During September, expect a variety of temperatures with highs around 25° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Garden Grove during September?
Rainfall in Garden Grove 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 Garden Grove during September?
The average wind speed in Garden Grove during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Garden Grove

Explore the daily rainfall trends and prepare for Garden Groves September weather 💧

UV exposure in Garden Grove during September

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

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Location coordinates Where is Garden Grove?

Get accurate weather forecasts for Garden Grove, located at latitude 33.774 and longitude -117.941. Stay updated with localized weather information tailored for Garden Grove.

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