September weather forecast
Eucalyptus Hills, CA

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Weather in September

September, the first month of the autumn in Eucalyptus Hills, is still a warm month, with an average temperature fluctuating between 83.3°F (28.5°C) and 63.5°F (17.5°C).

Temperature

September reports an average high-temperature of a still warm 83.3°F (28.5°C), slightly varied from August's 85.5°F (29.7°C). Eucalyptus Hills experiences a steady low-temperature of 63.5°F (17.5°C) throughout September.

Heat index

For September, the heat index is computed to be a hot 86°F (30°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.
Factoring in the heat index, values are geared towards shaded areas with light breezes. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.

Humidity

The average relative humidity in September in Eucalyptus Hills is 57%.

Rainfall

In September, the rain falls for 3.9 days. Throughout September, 0.31" (8mm) of precipitation is accumulated. In Eucalyptus Hills, during the entire year, the rain falls for 49.6 days and collects up to 5.16" (131mm) of precipitation.

Daylight

In September, the average length of the day is 12h and 22min.
On the first day of the month, sunrise is at 6:22 am and sunset at 7:12 pm. On the last day of September, in Eucalyptus Hills, sunrise is at 6:41 am and sunset at 6:33 pm PDT.

Sunshine

The average sunshine in September in Eucalyptus Hills is 10.4h.

UV index

June through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 6 in September translates into the following instructions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. 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. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
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Frequently asked questions

Is it hot in Eucalyptus Hills during September?

The average high-temperature, in September, in Eucalyptus Hills, is 83.3°F (28.5°C), while the average low-temperature is 63.5°F (17.5°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in September is computed to be 86°F (30°C).

What is the average humidity in September in Eucalyptus Hills?

In Eucalyptus Hills, California, the average relative humidity in September is 57%.

How much does it rain in Eucalyptus Hills in September?

In Eucalyptus Hills, in September, it is raining for 3.9 days, with typically 0.31" (8mm) of accumulated precipitation.

What is the average length of the day in September in Eucalyptus Hills?

In Eucalyptus Hills, California, the average day length in September is 12h and 22min.

What time are sunrise and sunset in September in Eucalyptus Hills?

In September, on the first day of the month, sunrise is at 6:22 am and sunset at 7:12 pm. On the last day of the month, in Eucalyptus Hills, California, sunrise is at 6:41 am and sunset at 6:33 pm PDT.

How long on average sun shines in September in Eucalyptus Hills?

In Eucalyptus Hills, the average sunshine duration in September is 10.4h.

What are the months with the highest UV index in Eucalyptus Hills?

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

What is the UV index intensity in September in Eucalyptus Hills?

In September, the average daily maximum UV index in Eucalyptus Hills, California, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's 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
Eucalyptus Hills, CA

Average temperature in September - Eucalyptus Hills, CA
  • Average high temperature in September: 83.3°F

The warmest month (with the highest average high temperature) is August (85.5°F).
The month with the lowest average high temperature is December (63.7°F).

  • Average low temperature in September: 63.5°F

The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (46°F).

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Average pressure in September
Eucalyptus Hills, CA

Average pressure in September - Eucalyptus Hills, CA
  • Average pressure in September: 29.87"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in September
Eucalyptus Hills, CA

Average wind speed in September - Eucalyptus Hills, CA
  • Average wind speed in September: 4.2mph

The windiest months (with the highest average wind speed) are April and May (5.3mph).
The calmest months (with the lowest average wind speed) are August, September and October (4.2mph).

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Average humidity in September
Eucalyptus Hills, CA

Average humidity in September - Eucalyptus Hills, CA
  • Average humidity in September: 57%

The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is November (52%).

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Average rainfall in September
Eucalyptus Hills, CA

Average rainfall in September - Eucalyptus Hills, CA
  • Average rainfall in September: 0.31"

The wettest month (with the highest rainfall) is February (1.06").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in September
Eucalyptus Hills, CA

Average rainfall days in September - Eucalyptus Hills, CA
  • Average rainfall days in September: 3.9 days

The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is June (1.4 days).

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Average daylight in September /
Average sunshine in September
Eucalyptus Hills, CA

Average daylight in September / Average sunshine in September - Eucalyptus Hills, 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 2min

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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Average sunshine days in September
Eucalyptus Hills, CA

Average sunshine days in September - Eucalyptus Hills, CA
  • Average sunshine days in September: 23.1 days

The month with the most sunshine days is June (28 days).
The month with the least sunshine days is July (20.7 days).

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Average UV index in September
Eucalyptus Hills, CA

Average UV index in September - Eucalyptus Hills, 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
Eucalyptus Hills, CA

Average cloud cover in September - Eucalyptus Hills, 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
Eucalyptus Hills, CA

Average visibility in September - Eucalyptus Hills, 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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Eucalyptus Hills, California, USA

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