September weather forecast
South Gate, CA

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Weather in September

The first month of the autumn, September, is still a warm month in South Gate, California, with temperature in the range of an average low of 64.6°F (18.1°C) and an average high of 81.9°F (27.7°C).

Temperature

September is marked by an average high-temperature of a still warm 81.9°F (27.7°C), almost identical to the preceding month. South Gate, in September, witnesses an average low-temperature of 64.6°F (18.1°C).

Heat index

For most parts of September, the heat index is estimated at 84.2°F (29°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.
Be advised, the heat index considers values for conditions in shade and with a light breeze. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an estimation of the warmth sensation when considering humidity levels. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.

Humidity

In South Gate, California, the average relative humidity in September is 58%.

Rainfall

June, August and September are months without rainfall.

Daylight

The average length of the day in September in South Gate is 12h and 22min.
On the first day of September in South Gate, sunrise is at 6:27 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:37 pm PDT.

Sunshine

In September, the average sunshine in South Gate is 10.6h.

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 threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 6 during September leads to these advisories:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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Frequently asked questions

What is the temperature in September in South Gate?

During September, South Gate experiences an average high-temperature of 81.9°F (27.7°C) and a low-temperature of 64.6°F (18.1°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in September is estimated at 84.2°F (29°C).

What is the average humidity in September in South Gate?

In South Gate, California, the average relative humidity in September is 58%.

What is the driest month in South Gate?

June, August and September are months without rainfall.

Does it rain in South Gate in September?

In South Gate, California, in September, it doesn't rain. In October, it rains.

How many hours of daylight does South Gate have in September?

In September, the average day length in South Gate is 12h and 22min.

When is the sunrise / sunset in September in South Gate?

On the first day of September in South Gate, sunrise is at 6:27 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:37 pm PDT.

How many hours of sunshine does South Gate have in September?

In September, the average sunshine duration is 10.6h.

What is the month with the highest UV index in South Gate?

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

How high is the UV index in September in South Gate?

In South Gate, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
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
South Gate, CA

Average temperature in September - South Gate, CA
  • Average high temperature in September: 81.9°F

The warmest month (with the highest average high temperature) is August (82.9°F).
The month with the lowest average high temperature is December (64.4°F).

  • Average low temperature in September: 64.6°F

The month with the highest average low temperature is August (65.3°F).
The coldest month (with the lowest average low temperature) is February (50.5°F).

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Average pressure in September
South Gate, CA

Average pressure in September - South Gate, CA
  • Average pressure in September: 29.89"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.89"Hg).

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Average wind speed in September
South Gate, CA

Average wind speed in September - South Gate, CA
  • Average wind speed in September: 4.8mph

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is October (4.7mph).

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Average humidity in September
South Gate, CA

Average humidity in September - South Gate, CA
  • Average humidity in September: 58%

The month with the highest relative humidity is June (67%).
The month with the lowest relative humidity is November (51%).

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Average rainfall in September
South Gate, CA

Average rainfall in September - South Gate, CA
  • Average rainfall in September: 0"

The wettest months (with the highest rainfall) are February and December (0.39").
The driest months (with the least rainfall) are June, August and September (0").

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Average rainfall days in September
South Gate, CA

Average rainfall days in September - South Gate, CA
  • Average rainfall days in September: 1 days

The month with the highest number of rainy days is March (4.5 days).
The month with the least rainy days is June (0.5 days).

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Average daylight in September /
Average sunshine in September
South Gate, CA

Average daylight in September / Average sunshine in September - South Gate, 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: 9h and 54min).

  • Average sunshine in September: 10h and 4min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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Average sunshine days in September
South Gate, CA

Average sunshine days in September - South Gate, CA
  • Average sunshine days in September: 27.9 days

The month with the most sunshine days is July (29.7 days).
The month with the least sunshine days is February (24.1 days).

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Average UV index in September
South Gate, CA

Average UV index in September - South Gate, CA
  • Average UV index in September: 6

The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).

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Average cloud cover in September
South Gate, CA

Average cloud cover in September - South Gate, CA
  • Average cloud cover in September: 9

The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in September
South Gate, CA

Average visibility in September - South Gate, 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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South Gate, California, USA

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