September weather forecast
Lake Elsinore, CA

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The vast valley of the city of Lake Elsinore, California
The vast valley of the city of Lake Elsinore, California

Weather in September

The first month of the autumn, September, is also a moderately hot month in Lake Elsinore, California, with temperature in the range of an average high of 85.3°F (29.6°C) and an average low of 61.7°F (16.5°C).

Temperature

As Lake Elsinore welcomes September, the average high-temperature stabilizes at a warm 85.3°F (29.6°C), showing little deviation from August's 89.1°F (31.7°C). Lake Elsinore experiences a significant reduction from daytime highs with an average low-temperature of 61.7°F (16.5°C) in September.

Heat index

The heat index in September is computed to be a hot 87.8°F (31°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

The average relative humidity in September in Lake Elsinore is 51%.

Rainfall

In September, the rain falls for 1.8 days. Throughout September, 0.04" (1mm) of precipitation is accumulated. Throughout the year, there are 34.6 rainfall days, and 2.56" (65mm) 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 6:23 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:34 pm PDT.

Sunshine

The average sunshine in September in Lake Elsinore is 10.6h.

UV index

In Lake Elsinore, 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 rays for average individuals.
Note: In September, a regular UV index of 6 translates into these guidelines:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. 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. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.

Frequently asked questions

Is it hot during September?

The high-temperature, in September, in Lake Elsinore, is 85.3°F (29.6°C), while the low-temperature averages to 61.7°F (16.5°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, in September is computed to be 87.8°F (31°C).

What is the average humidity in September?

In September, the average relative humidity is 51%.

How much does it rain in September?

In Lake Elsinore, in September, it is raining for 1.8 days, with typically 0.04" (1mm) of accumulated precipitation.

How many hours of daylight does Lake Elsinore have in September?

The average day length in September is 12h and 22min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:23 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:34 pm PDT.

How many hours of sunshine does Lake Elsinore have in September?

In Lake Elsinore, the average sunshine duration in September is 10.6h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk 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
Lake Elsinore, CA

Average temperature in September - Lake Elsinore, CA
  • Average high temperature in September: 85.3°F

The warmest month (with the highest average high temperature) is August (89.1°F).
The month with the lowest average high temperature is December (61.5°F).

  • Average low temperature in September: 61.7°F

The month with the highest average low temperature is August (63.3°F).
The coldest month (with the lowest average low temperature) is December (43.7°F).

Average pressure in September
Lake Elsinore, CA

Average pressure in September - Lake Elsinore, CA
  • Average pressure in September: 29.87"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in September
Lake Elsinore, CA

Average wind speed in September - Lake Elsinore, CA
  • Average wind speed in September: 4.1mph

The windiest month (with the highest average wind speed) is April (5.4mph).
The calmest months (with the lowest average wind speed) are August and September (4.1mph).

Average humidity in September
Lake Elsinore, CA

Average humidity in September - Lake Elsinore, CA
  • Average humidity in September: 51%

The month with the highest relative humidity is May (62%).
The months with the lowest relative humidity are August and November (50%).

Average rainfall in September
Lake Elsinore, CA

Average rainfall in September - Lake Elsinore, CA
  • Average rainfall in September: 0.04"

The wettest month (with the highest rainfall) is February (0.55").
The driest month (with the least rainfall) is June (0").

Average rainfall days in September
Lake Elsinore, CA

Average rainfall days in September - Lake Elsinore, CA
  • Average rainfall days in September: 1.8 days

The month with the highest number of rainy days is March (6.3 days).
The month with the least rainy days is June (0.8 days).

Average daylight in September /
Average sunshine in September
Lake Elsinore, CA

Average daylight in September / Average sunshine in September - Lake Elsinore, 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 4min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

Average sunshine days in September
Lake Elsinore, CA

Average sunshine days in September - Lake Elsinore, CA
  • Average sunshine days in September: 26.6 days

The month with the most sunshine days is June (28.6 days).
The month with the least sunshine days is February (22.8 days).

Average UV index in September
Lake Elsinore, CA

Average UV index in September - Lake Elsinore, CA
  • Average UV index in September: 6

The month with the highest UV index is August (UV index 7).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in September
Lake Elsinore, CA

Average cloud cover in September - Lake Elsinore, CA
  • Average cloud cover in September: 8

The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 5).

Average visibility in September
Lake Elsinore, CA

Average visibility in September - Lake Elsinore, 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).

Lake Elsinore, California, USA

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