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 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
With the onset of September, the average high-temperature subtly recedes from August's tropical 88.3°F (31.3°C) to a warm 82.9°F (28.3°C). With a notable difference from peak temperatures, an average of 54.9°F (12.7°C) marks the nights in September.Heat index
The heat index value for September is appraised at 82.4°F (28°C). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.Given the heat index, its values are aligned with shaded sites and gentle winds. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values remain especially vital for babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
Humidity
The average relative humidity in September is 40%.Rainfall
In Gold Run, in September, during 2.7 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. In Gold Run, during the entire year, the rain falls for 78.8 days and collects up to 30.16" (766mm) of precipitation.Snowfall
June through October are months without snowfall.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:33 pm. On the last day of September, sunrise is at 6:59 am and sunset at 6:46 pm PDT.
Sunshine
In September, the average sunshine is 11.2h.UV index
The average daily maximum UV index in September in Gold Run, California, is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 5 during September leads to these advisories:
Make use of precautions - It is urged to ward off sun damage. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Gold Run have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September in Gold Run?
Average temperature in September
Gold Run, CA
- Average high temperature in September: 82.9°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is December (50.7°F).
- Average low temperature in September: 54.9°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is December (36.1°F).
Average pressure in September
Gold Run, CA
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Gold Run, CA
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is February (6.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
Gold Run, CA
- Average humidity in September: 40%
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is July (37%).
Average rainfall in September
Gold Run, CA
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is March (5.79").
The driest month (with the least rainfall) is July (0.04").
Average rainfall days in September
Gold Run, CA
- Average rainfall days in September: 2.7 days
The month with the highest number of rainy days is March (13.8 days).
The month with the least rainy days is July (1.3 days).
Average snowfall in September
Gold Run, CA
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.85").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Gold Run, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (2.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Gold Run, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 11h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in September
Gold Run, CA
- Average sunshine days in September: 26.4 days
The month with the most sunshine days is July (28.7 days).
The month with the least sunshine days is March (15.7 days).
Average UV index in September
Gold Run, CA
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in September
Gold Run, CA
- Average cloud cover in September: 9
The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in September
Gold Run, 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).
Gold Run, California, USA
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