September weather forecastJesmond Dene, CA
September
Weather in September
September, the first month of the autumn in Jesmond Dene, is also a moderately hot month, with an average temperature ranging between min 62.4°F (16.9°C) and max 82.4°F (28°C).Temperature
September's commencement is accompanied by an average high-temperature of a still warm 82.4°F (28°C), diverging marginally from August's 84°F (28.9°C). During September, Jesmond Dene witnesses a consistent average low-temperature of 62.4°F (16.9°C).Heat index
In September, the average heat index is estimated at 84.2°F (29°C). Constant activity during exposure could result in a state of weariness and possibly heat cramps.Observations indicate that the heat index values are for shady locations with light wind. 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 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
The average relative humidity in September in Jesmond Dene is 60%.Rainfall
In September, in Jesmond Dene, the rain falls for 3.6 days. Throughout September, 0.28" (7mm) of precipitation is accumulated. In Jesmond Dene, California, during the entire year, the rain falls for 57 days and collects up to 9.06" (230mm) of precipitation.Daylight
The average length of the day in September in Jesmond Dene is 12h and 22min.On the first day of the month, sunrise is at 6:23 am and sunset at 7:13 pm. On the last day of September, in Jesmond Dene, California, sunrise is at 6:42 am and sunset at 6:33 pm PDT.
Sunshine
In September, the average sunshine in Jesmond Dene is 10.5h.UV index
June through September, with an average maximum UV index of 6, are months with the highest UV index in Jesmond Dene. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 6 translates into these guidelines:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Jesmond Dene, CA
- Average high temperature in September: 82.4°F
The warmest month (with the highest average high temperature) is August (84°F).
The month with the lowest average high temperature is December (63.1°F).
- Average low temperature in September: 62.4°F
The month with the highest average low temperature is August (63.9°F).
The coldest month (with the lowest average low temperature) is February (46.6°F).
Average pressure in September
Jesmond Dene, CA
- Average pressure in September: 29.87"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are June and September (29.87"Hg).
Average wind speed in September
Jesmond Dene, CA
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest months (with the lowest average wind speed) are September and October (4.3mph).
Average humidity in September
Jesmond Dene, CA
- Average humidity in September: 60%
The month with the highest relative humidity is May (68%).
The month with the lowest relative humidity is November (54%).
Average rainfall in September
Jesmond Dene, CA
- Average rainfall in September: 0.28"
The wettest month (with the highest rainfall) is February (1.81").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in September
Jesmond Dene, CA
- Average rainfall days in September: 3.6 days
The month with the highest number of rainy days is March (7.7 days).
The month with the least rainy days is June (1.3 days).
Average daylight in September /
Average sunshine in September
Jesmond Dene, CA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 10h and 30min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Jesmond Dene, CA
- Average sunshine days in September: 23.9 days
The month with the most sunshine days is October (25.8 days).
The month with the least sunshine days is February (20.3 days).
Average UV index in September
Jesmond Dene, CA
- Average UV index in September: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Jesmond Dene, CA
- Average cloud cover in September: 9
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in September
Jesmond Dene, 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).
