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
Sacramento registers the highest average temperatures during the month of September, with peaks of 31.7°C (89.1°F) and lows of 19°C (66.2°F).Heat index
September's heat index is evaluated at a tropical 33°C (91.4°F). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.The heat index's values are generally associated with conditions in shade and light breezes. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. 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 highly important for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
With an average relative humidity of 48%, September is the least humid month in Sacramento.Rainfall
In Sacramento, during September, the rain falls for 8.1 days and regularly aggregates up to 28mm (1.1") of precipitation. In Sacramento, during the entire year, the rain falls for 226.9 days and collects up to 1473mm (57.99") of precipitation.Daylight
In September, the average length of the day is 11h and 59min.On the first day of the month, sunrise is at 06:17 and sunset at 18:01. On the last day of September, in Sacramento, sunrise is at 05:51 and sunset at 18:07 -03.
Sunshine
The months with the most sunshine in Sacramento are August and September, with an average of 9.5h of sunshine.UV index
July through October, with an average maximum UV index of 6, are months with the highest UV index in Sacramento. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 6 during September translates into the following guidance:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What are the warmest months in Sacramento?
How hot is it in Sacramento in September?
What is the least humid month in Sacramento?
What is the average humidity in September in Sacramento?
How much does it rain in Sacramento in September?
How many hours of daylight does Sacramento have in September?
What time are sunrise and sunset in September in Sacramento?
What is the month with the most sunshine in Sacramento?
How many hours of sunshine does Sacramento have in September?
What are the months with the highest UV index in Sacramento?
How high is the UV index in September in Sacramento?
Average temperature in September
Sacramento, Brazil
- Average high temperature in September: 31.7°C
The warmest month (with the highest average high temperature) is September (31.7°C).
The months with the lowest average high temperature are May and June (24.8°C).
- Average low temperature in September: 19°C
The month with the highest average low temperature is October (20°C).
The coldest month (with the lowest average low temperature) is May (15°C).
Average pressure in September
Sacramento, Brazil
- Average pressure in September: 1014.8mbar
The month with the highest atmospheric pressure is July (1018.8mbar).
The months with the lowest atmospheric pressure are November and December (1011.1mbar).
Average wind speed in September
Sacramento, Brazil
- Average wind speed in September: 10km/h
The windiest month (with the highest average wind speed) is August (10.3km/h).
The calmest month (with the lowest average wind speed) is March (6.7km/h).
Average humidity in September
Sacramento, Brazil
- Average humidity in September: 48%
The month with the highest relative humidity is March (89%).
The month with the lowest relative humidity is September (48%).
Average rainfall in September
Sacramento, Brazil
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is November (240mm).
The driest month (with the least rainfall) is August (6mm).
Average rainfall days in September
Sacramento, Brazil
- Average rainfall days in September: 8.1 days
The month with the highest number of rainy days is December (30.6 days).
The month with the least rainy days is August (3.3 days).
Average daylight in September /
Average sunshine in September
Sacramento, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 11h and 0min).
- Average sunshine in September: 9h and 3min
The months with the most sunshine are August and September (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 7h and 12min).
Average sunshine days in September
Sacramento, Brazil
- Average sunshine days in September: 20.5 days
The month with the most sunshine days is August (26.9 days).
The month with the least sunshine days is December (0.3 days).
Average UV index in September
Sacramento, Brazil
- Average UV index in September: 6
The months with the highest UV index are July, August, September and October (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, November and December (UV index 5).
Average cloud cover in September
Sacramento, Brazil
- Average cloud cover in September: 18
The months with the most cloud cover are January and March (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Sacramento, Brazil
- Average visibility in September: 10km
The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, February, March and April (7km).
Sacramento, Brazil
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