Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The shift into September records an average high-temperature of a still moderately hot 81.7°F (27.6°C), subtly varied from August's 83.3°F (28.5°C). An average low-temperature of 61.9°F (16.6°C) is noted during the month of September.Heat index
Throughout September, the heat index is calculated to be 84.2°F (29°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.Know that the heat index computations account for shaded terrains and slight winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
In Pala Mesa, the average relative humidity in September is 61%.Rainfall
In Pala Mesa, in September, it is raining for 4.4 days, with typically 0.31" (8mm) of accumulated precipitation. In Pala Mesa, California, during the entire year, the rain falls for 63.6 days and collects up to 8.98" (228mm) of precipitation.Daylight
The average length of the day in September is 12h and 22min.On the first day of September in Pala Mesa, California, sunrise is at 6:23 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:33 pm PDT.
Sunshine
In September, the average sunshine in Pala Mesa is 10.5h.UV index
June through September, with an average maximum UV index of 6, are months with the highest UV index in Pala Mesa. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 6 in September converts into the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What are the temperatures in Pala Mesa in September?
What is the average humidity in September in Pala Mesa?
How much does it rain in Pala Mesa in September?
How many hours of daylight does Pala Mesa have in September?
When are sunrise and sunset in September in Pala Mesa?
How long on average sun shines in September in Pala Mesa?
When is the highest UV index in Pala Mesa?
What is the UV index intensity in September in Pala Mesa?
Average temperature in September
Pala Mesa, CA
- Average high temperature in September: 81.7°F
The warmest month (with the highest average high temperature) is August (83.3°F).
The month with the lowest average high temperature is December (63°F).
- Average low temperature in September: 61.9°F
The month with the highest average low temperature is August (63°F).
The coldest months (with the lowest average low temperature) are February and December (46.9°F).
Average pressure in September
Pala Mesa, CA
- Average pressure in September: 29.88"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Pala Mesa, CA
- Average wind speed in September: 4.4mph
The windiest months (with the highest average wind speed) are April and May (5.5mph).
The calmest month (with the lowest average wind speed) is October (4.3mph).
Average humidity in September
Pala Mesa, CA
- Average humidity in September: 61%
The month with the highest relative humidity is May (69%).
The month with the lowest relative humidity is November (55%).
Average rainfall in September
Pala Mesa, CA
- Average rainfall in September: 0.31"
The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in September
Pala Mesa, CA
- Average rainfall days in September: 4.4 days
The month with the highest number of rainy days is March (8.3 days).
The month with the least rainy days is June (1.2 days).
Average daylight in September /
Average sunshine in September
Pala Mesa, 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 3min
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 36min).
Average sunshine days in September
Pala Mesa, CA
- Average sunshine days in September: 22.5 days
The month with the most sunshine days is June (25.8 days).
The month with the least sunshine days is February (20 days).
Average UV index in September
Pala Mesa, CA
- Average UV index in September: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Pala Mesa, CA
- Average cloud cover in September: 10
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 6).
Average visibility in September
Pala Mesa, 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).
Pala Mesa, California, USA
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