September weather forecast
Champagne, CA

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Weather in September

The first month of the autumn, September, is also a hot month in Champagne, California, with an average temperature fluctuating between 64.2°F (17.9°C) and 88.7°F (31.5°C).

Temperature

With the advent of September, Champagne's high-temperatures adjust to a still hot 88.7°F (31.5°C), closely aligning with the preceding month. Champagne records a marked daily temperature contrast, with an average low-temperature of 64.2°F (17.9°C) during the nights of September.

Heat index

The heat index value for September is evaluated at a hot 89.6°F (32°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

In September, the average relative humidity is 45%.

Rainfall

In Champagne, during September, the rain falls for 1.9 days and regularly aggregates up to 0.08" (2mm) of precipitation. Throughout the year, there are 46.6 rainfall days, and 6.54" (166mm) of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 22min.
On the first day of September, sunrise is at 6:24 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:35 pm PDT.

Sunshine

The average sunshine in September is 10.7h.

UV index

In Champagne, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum daily UV index of 6 during September morphs into the following directions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in September?

In September, the average high-temperature and low-temperature are 88.7°F (31.5°C) and 64.2°F (17.9°C) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in September is evaluated at 89.6°F (32°C).

What is the average humidity in September?

In September, the average relative humidity is 45%.

How much does it rain in Champagne in September?

In Champagne, California, in September, during 1.9 rainfall days, 0.08" (2mm) of precipitation is typically accumulated.

What is the average length of the day in September?

The average day length in September is 12h and 22min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:24 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:35 pm PDT.

How long on average sun shines in September?

In Champagne, the average sunshine duration in September is 10.7h.

What is the UV index reading in September?

In Champagne, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Champagne, CA

Average temperature in September - Champagne, CA
  • Average high temperature in September: 88.7°F

The warmest month (with the highest average high temperature) is August (91.9°F).
The month with the lowest average high temperature is December (63°F).

  • Average low temperature in September: 64.2°F

The month with the highest average low temperature is August (66.4°F).
The coldest month (with the lowest average low temperature) is February (45.9°F).

Average pressure in September
Champagne, CA

Average pressure in September - Champagne, CA
  • Average pressure in September: 29.88"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in September
Champagne, CA

Average wind speed in September - Champagne, CA
  • Average wind speed in September: 4.5mph

The windiest month (with the highest average wind speed) is May (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).

Average humidity in September
Champagne, CA

Average humidity in September - Champagne, CA
  • Average humidity in September: 45%

The months with the highest relative humidity are March and May (54%).
The month with the lowest relative humidity is August (43%).

Average rainfall in September
Champagne, CA

Average rainfall in September - Champagne, CA
  • Average rainfall in September: 0.08"

The wettest months (with the highest rainfall) are February and December (1.42").
The driest months (with the least rainfall) are June and August (0.04").

Average rainfall days in September
Champagne, CA

Average rainfall days in September - Champagne, CA
  • Average rainfall days in September: 1.9 days

The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is June (1.1 days).

Average daylight in September /
Average sunshine in September
Champagne, CA

Average daylight in September / Average sunshine in September - Champagne, 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 4min

The month with the most sunshine is July (Average sunshine: 12h and 12min).
The months with the least sunshine are February and December (Average sunshine: 6h and 54min).

Average sunshine days in September
Champagne, CA

Average sunshine days in September - Champagne, CA
  • Average sunshine days in September: 26.8 days

The month with the most sunshine days is August (28.6 days).
The month with the least sunshine days is February (21.5 days).

Average UV index in September
Champagne, CA

Average UV index in September - Champagne, CA
  • Average UV index in September: 6

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in September
Champagne, CA

Average cloud cover in September - Champagne, CA
  • Average cloud cover in September: 7

The months with the most cloud cover are February, March and December (Cloud cover 21).
The months with the least cloud cover are July and August (Cloud cover 5).

Average visibility in September
Champagne, CA

Average visibility in September - Champagne, 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).

Champagne, California, USA

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