September weather forecastNewhall, CA
September
Weather in September
The first month of the autumn, September, is still a warm month in Newhall, California, with temperature in the range of an average low of 61.7°F (16.5°C) and an average high of 85.1°F (29.5°C).Temperature
September's presence marks an average high-temperature of a warm 85.1°F (29.5°C), subtly varied from August's 88.5°F (31.4°C). In September, a remarkable difference from daytime highs is noted, as Newhall records an average temperature of 61.7°F (16.5°C) during the night.Heat index
September's mean heat index is evaluated at a hot 86°F (30°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.Take note of the fact that heat index values are based on shaded circumstances with light airflows. 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', melds the effects of warmth and moisture to generate a feeling of heat. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Humidity
The average relative humidity in September is 45%.Rainfall
In September, in Newhall, the rain falls for 1.5 days. Throughout September, 0.08" (2mm) of precipitation is accumulated. Throughout the year, there are 37.3 rainfall days, and 6.1" (155mm) of precipitation is accumulated.Daylight
In Newhall, the average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:27 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:39 pm PDT.
Sunshine
In Newhall, the average sunshine in September is 10.9h.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 unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 6 during September, leads to the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Newhall, CA
- Average high temperature in September: 85.1°F
The warmest month (with the highest average high temperature) is August (88.5°F).
The month with the lowest average high temperature is December (60.1°F).
- Average low temperature in September: 61.7°F
The month with the highest average low temperature is August (63.7°F).
The coldest month (with the lowest average low temperature) is December (43.7°F).
Average pressure in September
Newhall, CA
- Average pressure in September: 29.89"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Newhall, CA
- Average wind speed in September: 5mph
The windiest months (with the highest average wind speed) are January and December (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
Newhall, CA
- Average humidity in September: 45%
The month with the highest relative humidity is March (56%).
The month with the lowest relative humidity is October (44%).
Average rainfall in September
Newhall, CA
- Average rainfall in September: 0.08"
The wettest month (with the highest rainfall) is February (1.26").
The driest month (with the least rainfall) is June (0").
Average rainfall days in September
Newhall, CA
- Average rainfall days in September: 1.5 days
The month with the highest number of rainy days is March (6.3 days).
The month with the least rainy days is June (0.5 days).
Average daylight in September /
Average sunshine in September
Newhall, CA
- Average daylight in September: 12h and 24min
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 54min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in September
Newhall, CA
- Average sunshine days in September: 28.3 days
The month with the most sunshine days is August (29.5 days).
The month with the least sunshine days is February (22.1 days).
Average UV index in September
Newhall, 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
Newhall, CA
- Average cloud cover in September: 6
The months with the most cloud cover are February and March (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 4).
Average visibility in September
Newhall, 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).
