September weather forecast
Jesmond Dene, CA

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Weather in September

September, the first month of the autumn in Jesmond Dene, is also a moderately hot month, with temperature in the range of an average high of 82.4°F and an average low of 62.4°F.

Temperature

Jesmond Dene records an average high-temperature of a still moderately hot 82.4°F in September, maintaining a close correlation with August's 84°F. September nights in Jesmond Dene observe an average temperature dip to a refreshing 62.4°F.

Heat index

The average heat index in September is computed to be 84.2°F. Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', measures the perceived warmth when incorporating the humidity present in the air. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.

Humidity

The average relative humidity in September in Jesmond Dene is 60%.

Rainfall

In Jesmond Dene, during September, the rain falls for 3.6 days and regularly aggregates up to 0.28" of precipitation. Throughout the year, in Jesmond Dene, there are 57 rainfall days, and 9.06" of precipitation is accumulated.

Daylight

The average length of the day in September in Jesmond Dene is 12h and 22min.
On the first day of September, sunrise is at 6:22 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:34 pm PDT.

Sunshine

In September, the average sunshine is 10.5h.

UV index

June through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 6 during September translates into the following directions:
Inhibit overexposure. Warding off sun damage is of utmost importance. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
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FAQ

How hot is September in Jesmond Dene?

September temperatures vary between a high-temperature of 82.4°F and a low-temperature of 62.4°F. In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, is computed to be 84.2°F.

What is the average humidity in September in Jesmond Dene?

In Jesmond Dene, the average relative humidity in September is 60%.

How many days does it rain in September in Jesmond Dene?

In Jesmond Dene, California, in September, it is raining for 3.6 days, with typically 0.28" of accumulated precipitation.

How many hours of daylight does Jesmond Dene have in September?

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

What time are sunrise and sunset in September in Jesmond Dene?

On the first day of September in Jesmond Dene, sunrise is at 6:22 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:34 pm PDT.

How long on average sun shines in September in Jesmond Dene?

The average sunshine duration in September in Jesmond Dene, California, is 10.5h.

When is the highest UV index in Jesmond Dene?

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

How high is the UV index in September in Jesmond Dene?

The average daily maximum UV index in September in Jesmond Dene, California, is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Jesmond Dene, CA

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).

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Average pressure in September
Jesmond Dene, CA

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).

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Average wind speed in September
Jesmond Dene, CA

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).

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Average humidity in September
Jesmond Dene, CA

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%).

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Average rainfall in September
Jesmond Dene, CA

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").

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Average rainfall days in September
Jesmond Dene, CA

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).

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Average daylight in September /
Average sunshine in September
Jesmond Dene, CA

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

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 3min

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).

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Average sunshine days in September
Jesmond Dene, CA

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).

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Average UV index in September
Jesmond Dene, CA

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).

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Average cloud cover in September
Jesmond Dene, CA

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).

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Average visibility in September
Jesmond Dene, CA

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).

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Jesmond Dene, California, USA

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