September weather forecast
Casa Conejo, CA

Share

Weather in September

The first month of the autumn, September, is also a moderately hot month in Casa Conejo, California, with an average temperature ranging between min 62.8°F (17.1°C) and max 77°F (25°C).

Temperature

Casa Conejo experiences a minor change to a still moderately hot 77°F (25°C) in average high-temperature during September, closely reflecting August. Casa Conejo records an average nighttime low of 62.8°F (17.1°C) in September.

Humidity

In September, the average relative humidity in Casa Conejo is 61%.

Rainfall

In September, in Casa Conejo, California, the rain falls for 2.8 days. Throughout September, 0.2" (5mm) of precipitation is accumulated. Throughout the year, in Casa Conejo, there are 51.2 rainfall days, and 9.41" (239mm) of precipitation is accumulated.

Daylight

The average length of the day in September in Casa Conejo is 12h and 22min.
On the first day of the month, sunrise is at 6:29 am and sunset at 7:21 pm. On the last day of September, in Casa Conejo, California, sunrise is at 6:50 am and sunset at 6:40 pm PDT.

Sunshine

In Casa Conejo, the average sunshine in September is 10.9h.

UV index

The months with the highest UV index in Casa Conejo are June through September, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in Casa Conejo?

In Casa Conejo, in September, the average high-temperature is 77°F (25°C), and the average low-temperature is 62.8°F (17.1°C).

What is the average humidity in September in Casa Conejo?

The average relative humidity in September in Casa Conejo, California, is 61%.

How much does it rain in Casa Conejo in September?

In Casa Conejo, in September, it is raining for 2.8 days, with typically 0.2" (5mm) of accumulated precipitation.

What is the average length of the day in September in Casa Conejo?

The average day length in September in Casa Conejo, California, is 12h and 22min.

When is the sunrise / sunset in September in Casa Conejo?

On the first day of September in Casa Conejo, California, sunrise is at 6:29 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:40 pm PDT.

How long on average sun shines in September in Casa Conejo?

In September, the average sunshine duration is 10.9h.

What is the month with the highest UV index in Casa Conejo?

The months with the highest UV index are June through September, with an average maximum UV index of 6.

What is the UV index reading in September in Casa Conejo?

In September, the average daily maximum UV index in Casa Conejo, California, is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Casa Conejo, CA

Average temperature in September - Casa Conejo, CA
  • Average high temperature in September: 77°F

The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (60.4°F).

  • Average low temperature in September: 62.8°F

The month with the highest average low temperature is August (63.7°F).
The coldest month (with the lowest average low temperature) is February (49.1°F).

Average pressure in September
Casa Conejo, CA

Average pressure in September - Casa Conejo, CA
  • Average pressure in September: 29.9"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are June and September (29.9"Hg).

Average wind speed in September
Casa Conejo, CA

Average wind speed in September - Casa Conejo, CA
  • Average wind speed in September: 4.7mph

The windiest months (with the highest average wind speed) are April and December (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in September
Casa Conejo, CA

Average humidity in September - Casa Conejo, CA
  • Average humidity in September: 61%

The month with the highest relative humidity is June (69%).
The month with the lowest relative humidity is November (53%).

Average rainfall in September
Casa Conejo, CA

Average rainfall in September - Casa Conejo, CA
  • Average rainfall in September: 0.2"

The wettest months (with the highest rainfall) are January and February (1.93").
The driest month (with the least rainfall) is June (0.08").

Average rainfall days in September
Casa Conejo, CA

Average rainfall days in September - Casa Conejo, CA
  • Average rainfall days in September: 2.8 days

The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is August (1.5 days).

Average daylight in September /
Average sunshine in September
Casa Conejo, CA

Average daylight in September / Average sunshine in September - Casa Conejo, CA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 10h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).

Average sunshine days in September
Casa Conejo, CA

Average sunshine days in September - Casa Conejo, CA
  • Average sunshine days in September: 24 days

The month with the most sunshine days is August (26.2 days).
The month with the least sunshine days is February (21 days).

Average UV index in September
Casa Conejo, CA

Average UV index in September - Casa Conejo, CA
  • Average UV index in September: 6

The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 4).

Average cloud cover in September
Casa Conejo, CA

Average cloud cover in September - Casa Conejo, CA
  • Average cloud cover in September: 7

The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).

Average visibility in September
Casa Conejo, CA

Average visibility in September - Casa Conejo, CA
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Casa Conejo, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location