Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September brings an average high-temperature of a still tropical 88.7°F (31.5°C), showing a slight difference from August's 91.9°F (33.3°C). Champagne registers a significant drop in temperature in September, with average nighttime lows of 64.2°F (17.9°C).Heat index
The heat index value during September is computed to be a tropical 89.6°F (32°C). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', comes about by integrating the temperature readings with the humidity levels. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
In September, the average relative humidity is 45%.Rainfall
In September, the rain falls for 1.9 days. Throughout September, 0.08" (2mm) of precipitation is accumulated. Throughout the year, there are 46.6 rainfall days, and 6.54" (166mm) of precipitation is accumulated.Daylight
In Champagne, the average length of the day in September is 12h and 22min.On the first day of September in Champagne, 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
In Champagne, the average sunshine in September is 10.7h.UV index
The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 6 in September leads to these guidelines:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
How hot is it in Champagne in September?
What is the average humidity in September in Champagne?
How many days does it rain in September in Champagne?
How many hours of daylight does Champagne have in September?
When is the sunrise / sunset in September in Champagne?
How long on average sun shines in September in Champagne?
How high is the UV index in September in Champagne?
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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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