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 snowfall 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 introduction of September sees an average high-temperature of a still tropical 88.5°F (31.4°C), hardly deviating from August. Elk Grove reports a significant contrast between daytime and nighttime temperatures, with an average low of 58.5°F (14.7°C) in September.Heat index
September's average heat index is appraised at a hot 89.6°F (32°C). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.Heat index readings emphasize conditions of light breezes and shaded spots. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', arises from combining readings of air temperature and relative moisture content. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
The least humid month is September, with an average relative humidity of 44%.Rainfall
In September, the rain falls for 2.3 days. Throughout September, 0.2" (5mm) of precipitation is accumulated. In Elk Grove, California, during the entire year, the rain falls for 73.3 days and collects up to 15.63" (397mm) of precipitation.Snowfall
January through November are months without snowfall.Daylight
In Elk Grove, the average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 6:35 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:49 pm PDT.
Sunshine
The average sunshine in September is 11.3h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 5 during September translates into these guidelines:
Undertake protective steps - Preventing sun damage is advised. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the least humid month?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Elk Grove have in September?
What is the UV index reading in September?
Average temperature in September
Elk Grove, CA
- Average high temperature in September: 88.5°F
The warmest month (with the highest average high temperature) is July (94.3°F).
The month with the lowest average high temperature is December (54.7°F).
- Average low temperature in September: 58.5°F
The month with the highest average low temperature is August (59.2°F).
The coldest months (with the lowest average low temperature) are January and December (40.8°F).
Average pressure in September
Elk Grove, CA
- Average pressure in September: 29.92"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Elk Grove, CA
- Average wind speed in September: 4.1mph
The windiest month (with the highest average wind speed) is February (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.1mph).
Average humidity in September
Elk Grove, CA
- Average humidity in September: 44%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is September (44%).
Average rainfall in September
Elk Grove, CA
- Average rainfall in September: 0.2"
The wettest month (with the highest rainfall) is March (2.91").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in September
Elk Grove, CA
- Average rainfall days in September: 2.3 days
The month with the highest number of rainy days is March (13.3 days).
The months with the least rainy days are June, July and August (1.4 days).
Average snowfall days in September
Elk Grove, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Elk Grove, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 11h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in September
Elk Grove, CA
- Average sunshine days in September: 26.9 days
The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is March (16.9 days).
Average UV index in September
Elk Grove, CA
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Elk Grove, CA
- Average cloud cover in September: 8
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in September
Elk Grove, 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).
Elk Grove, California, USA
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