September weather forecast
Hellhole Palms, CA

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Weather in September

September, the first month of the autumn in Hellhole Palms, is still a tropical month, with an average temperature varying between 66.9°F (19.4°C) and 87.3°F (30.7°C).

Temperature

The arrival of September suggests a slight decrease in the average high-temperature, moving from 93.7°F (34.3°C) in August to a still hot 87.3°F (30.7°C). Hellhole Palms observes an average nighttime low-temperature of 66.9°F (19.4°C) during the month of September.

Humidity

In Hellhole Palms, the average relative humidity in September is 38%.

Rainfall

In Hellhole Palms, in September, it is raining for 6.2 days, with typically 0.71" (18mm) of accumulated precipitation. Throughout the year, there are 60.2 rainfall days, and 7.68" (195mm) of precipitation is accumulated.

Daylight

In September, the average length of the day in Hellhole Palms is 12h and 22min.
On the first day of September in Hellhole Palms, sunrise is at 6:20 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:31 pm PDT.

Sunshine

In Hellhole Palms, the average sunshine in September is 10.4h.

UV index

In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the UV index of 6 transforms into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Frequently asked questions

How hot is September in Hellhole Palms?

The average high-temperature, in September, in Hellhole Palms, is 87.3°F (30.7°C), while the average low-temperature is 66.9°F (19.4°C).

What is the average humidity in September in Hellhole Palms?

In Hellhole Palms, California, the average relative humidity in September is 38%.

How many days does it rain in September in Hellhole Palms?

In Hellhole Palms, during September, the rain falls for 6.2 days and regularly aggregates up to 0.71" (18mm) of precipitation.

What is the average length of the day in September in Hellhole Palms?

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

When are sunrise and sunset in September in Hellhole Palms?

On the first day of September in Hellhole Palms, sunrise is at 6:20 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:31 pm PDT.

How long on average sun shines in September in Hellhole Palms?

The average sunshine duration in September in Hellhole Palms, California, is 10.4h.

What is the UV index intensity in September in Hellhole Palms?

In Hellhole Palms, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from 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
Hellhole Palms, CA

Average temperature in September - Hellhole Palms, CA
  • Average high temperature in September: 87.3°F

The warmest months (with the highest average high temperature) are July and August (93.7°F).
The month with the lowest average high temperature is December (59.4°F).

  • Average low temperature in September: 66.9°F

The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is December (43.3°F).

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Average pressure in September
Hellhole Palms, CA

Average pressure in September - Hellhole Palms, CA
  • Average pressure in September: 29.84"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).

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Average wind speed in September
Hellhole Palms, CA

Average wind speed in September - Hellhole Palms, CA
  • Average wind speed in September: 6.4mph

The windiest month (with the highest average wind speed) is May (8.6mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).

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Average humidity in September
Hellhole Palms, CA

Average humidity in September - Hellhole Palms, CA
  • Average humidity in September: 38%

The month with the highest relative humidity is December (50%).
The months with the lowest relative humidity are June and August (34%).

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Average rainfall in September
Hellhole Palms, CA

Average rainfall in September - Hellhole Palms, CA
  • Average rainfall in September: 0.71"

The wettest month (with the highest rainfall) is July (1.38").
The driest months (with the least rainfall) are May and June (0.12").

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Average rainfall days in September
Hellhole Palms, CA

Average rainfall days in September - Hellhole Palms, CA
  • Average rainfall days in September: 6.2 days

The month with the highest number of rainy days is July (7.8 days).
The month with the least rainy days is June (1.8 days).

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Average daylight in September /
Average sunshine in September
Hellhole Palms, CA

Average daylight in September / Average sunshine in September - Hellhole Palms, 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 month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

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Average sunshine days in September
Hellhole Palms, CA

Average sunshine days in September - Hellhole Palms, CA
  • Average sunshine days in September: 22.3 days

The month with the most sunshine days is June (27.5 days).
The month with the least sunshine days is July (20.4 days).

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Average UV index in September
Hellhole Palms, CA

Average UV index in September - Hellhole Palms, 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).

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Average cloud cover in September
Hellhole Palms, CA

Average cloud cover in September - Hellhole Palms, CA
  • Average cloud cover in September: 7

The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in September
Hellhole Palms, CA

Average visibility in September - Hellhole Palms, 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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Hellhole Palms, California, USA

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