September weather forecast
Greenacres, CA

Weather in September

The first month of the autumn, September, is still a hot month in Greenacres, California, with an average temperature ranging between min 61.5°F (16.4°C) and max 90.5°F (32.5°C).

Temperature

In September, the average high-temperature marginally drops from a torrid 96.8°F (36°C) in August to a hot 90.5°F (32.5°C). In Greenacres, the average low-temperature is 61.5°F (16.4°C).

Humidity

The average relative humidity in September is 33%.

Rainfall

June, August and September are months with the least rain when the rain falls for 1.7 days and typically aggregates up to 0.08" (2mm) of rain.

Snowfall

In Greenacres, California, snow does not fall in January, March through December.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of September in Greenacres, sunrise is at 6:29 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:41 pm PDT.

Sunshine

In Greenacres, California, the average sunshine in September is 11.1h.

UV index

In Greenacres, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 6 in September transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the average humidity in September in Greenacres?

In Greenacres, the average relative humidity in September is 33%.

What is the driest month in Greenacres?

The months with the least rainfall in Greenacres are June, August and September Rain falls for 1.7 days and accumulates 0.08" (2mm) of rain.

How much does it rain in Greenacres in September?

In September, the rain falls for 1.7 days. Throughout September, 0.08" (2mm) of precipitation is accumulated.

When it does not snow in Greenacres?

January, March through December are months without snowfall.

What is the average length of the day in September in Greenacres?

In Greenacres, California, the average day length in September is 12h and 23min.

What time are sunrise and sunset in September in Greenacres?

On the first day of September, sunrise is at 6:29 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:41 pm PDT.

How long on average sun shines in September in Greenacres?

The average sunshine duration in September is 11.1h.

What is the UV index reading in September in Greenacres?

The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.

Average temperature in September
Greenacres, CA

Average temperature in September - Greenacres, CA
  • Average high temperature in September: 90.5°F

The warmest month (with the highest average high temperature) is July (97.5°F).
The month with the lowest average high temperature is December (58.5°F).

  • Average low temperature in September: 61.5°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).

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Average pressure in September
Greenacres, CA

Average pressure in September - Greenacres, CA
  • Average pressure in September: 29.9"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in September
Greenacres, CA

Average wind speed in September - Greenacres, CA
  • Average wind speed in September: 4.3mph

The windiest months (with the highest average wind speed) are June and July (5mph).
The calmest months (with the lowest average wind speed) are November and December (3.9mph).

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Average humidity in September
Greenacres, CA

Average humidity in September - Greenacres, CA
  • Average humidity in September: 33%

The months with the highest relative humidity are January, February and December (59%).
The month with the lowest relative humidity is August (30%).

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Average rainfall in September
Greenacres, CA

Average rainfall in September - Greenacres, CA
  • Average rainfall in September: 0.08"

The wettest month (with the highest rainfall) is December (1.02").
The driest months (with the least rainfall) are June, August and September (0.08").

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Average rainfall days in September
Greenacres, CA

Average rainfall days in September - Greenacres, CA
  • Average rainfall days in September: 1.7 days

The month with the highest number of rainy days is March (8.5 days).
The month with the least rainy days is August (0.9 days).

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Average snowfall in September
Greenacres, CA

Average snowfall in September - Greenacres, CA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in September
Greenacres, CA

Average snowfall days in September - Greenacres, CA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).

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Average daylight in September /
Average sunshine in September
Greenacres, CA

Average daylight in September / Average sunshine in September - Greenacres, CA
  • Average daylight in September: 12h and 23min

The month with the longest days is June (Average daylight: 14h and 31min).
The month with the shortest days is December (Average daylight: 9h and 49min).

  • Average sunshine in September: 11.1h

The months with the most sunshine are June and July (Average sunshine: 12.1h).
The months with the least sunshine are January and December (Average sunshine: 6.7).

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Average sunshine days in September
Greenacres, CA

Average sunshine days in September - Greenacres, CA
  • Average sunshine days in September: 27.9 days

The month with the most sunshine days is August (28.7 days).
The month with the least sunshine days is February (21.2 days).

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Average UV index in September
Greenacres, CA

Average UV index in September - Greenacres, CA
  • Average UV index in September: 6

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

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Average cloud cover in September
Greenacres, CA

Average cloud cover in September - Greenacres, CA
  • Average cloud cover in September: 5

The month with the most cloud cover is March (Cloud cover 26).
The month with the least cloud cover is August (Cloud cover 4).

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Average visibility in September
Greenacres, CA

Average visibility in September - Greenacres, 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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