September weather forecast
Macomber Palms, CA

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Weather in September

The first month of the autumn, September, is still a hot month in Macomber Palms, California, with an average temperature fluctuating between 88.5°F (31.4°C) and 71.6°F (22°C).

Temperature

A subtle shift in Macomber Palms's weather is observed as August turns into September, with the average high temperature reducing from a sweltering 95°F (35°C) to a hot 88.5°F (31.4°C). Throughout September nights, Macomber Palms experiences a consistent temperature average of 71.6°F (22°C).

Humidity

In September, the average relative humidity is 31%.

Rainfall

In Macomber Palms, during September, the rain falls for 4.9 days and regularly aggregates up to 0.39" (10mm) of precipitation. Throughout the year, there are 43.4 rainfall days, and 4.21" (107mm) of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 22min.
On the first day of September, sunrise is at 6:19 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:30 pm PDT.

Sunshine

The average sunshine in September is 10.5h.

UV index

The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: During September, 6 as the daily maximum UV index converts into the following advice:
Resist extreme sun exposure. Guarding against solar damage is essential. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
Updated: Jul 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September?

The average high-temperature and low-temperature during September are 88.5°F (31.4°C) and 71.6°F (22°C) respectively.

What is the average humidity in September?

The average relative humidity in September is 31%.

How much does it rain in September?

In Macomber Palms, in September, during 4.9 rainfall days, 0.39" (10mm) of precipitation is typically accumulated.

How many hours of daylight does Macomber Palms have in September?

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

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:19 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:30 pm PDT.

How many hours of sunshine does Macomber Palms have in September?

In Macomber Palms, the average sunshine duration in September is 10.5h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to 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
Macomber Palms, CA

Average temperature in September - Macomber Palms, CA
  • Average high temperature in September: 88.5°F

The warmest month (with the highest average high temperature) is July (95.7°F).
The month with the lowest average high temperature is December (59.7°F).

  • Average low temperature in September: 71.6°F

The month with the highest average low temperature is August (77.4°F).
The coldest month (with the lowest average low temperature) is December (45.9°F).

Average pressure in September
Macomber Palms, CA

Average pressure in September - Macomber Palms, CA
  • Average pressure in September: 29.83"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.8"Hg).

Average wind speed in September
Macomber Palms, CA

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

The windiest months (with the highest average wind speed) are April and May (8.3mph).
The calmest month (with the lowest average wind speed) is January (5.7mph).

Average humidity in September
Macomber Palms, CA

Average humidity in September - Macomber Palms, CA
  • Average humidity in September: 31%

The month with the highest relative humidity is December (46%).
The month with the lowest relative humidity is June (27%).

Average rainfall in September
Macomber Palms, CA

Average rainfall in September - Macomber Palms, CA
  • Average rainfall in September: 0.39"

The wettest months (with the highest rainfall) are July and August (0.63").
The driest months (with the least rainfall) are May and June (0.08").

Average rainfall days in September
Macomber Palms, CA

Average rainfall days in September - Macomber Palms, CA
  • Average rainfall days in September: 4.9 days

The month with the highest number of rainy days is July (5.9 days).
The month with the least rainy days is June (0.9 days).

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

Average daylight in September / Average sunshine in September - Macomber Palms, 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: 10h and 0min).

  • Average sunshine in September: 10h and 3min

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).

Average sunshine days in September
Macomber Palms, CA

Average sunshine days in September - Macomber Palms, CA
  • Average sunshine days in September: 23.3 days

The month with the most sunshine days is May (28.4 days).
The month with the least sunshine days is July (20.8 days).

Average UV index in September
Macomber Palms, CA

Average UV index in September - Macomber Palms, CA
  • Average UV index in September: 6

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in September
Macomber Palms, CA

Average cloud cover in September - Macomber Palms, CA
  • Average cloud cover in September: 6

The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 4).

Average visibility in September
Macomber Palms, CA

Average visibility in September - Macomber 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).

Macomber Palms, California, USA

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