September weather forecastParker Dam, CA
September
Weather in September
September, the first month of the autumn in Parker Dam, is still a very hot month, with an average temperature fluctuating between 96.8°F (36°C) and 79.9°F (26.6°C).Temperature
Parker Dam's September weather shows a modest shift in high-temperatures, falling from August's sweltering 103.6°F (39.8°C) to a still very hot 96.8°F (36°C). Parker Dam records an average nighttime low of 79.9°F (26.6°C) in September.Humidity
In September, the average relative humidity is 25%.Rainfall
In Parker Dam, in September, it is raining for 4.8 days, with typically 0.43" (11mm) of accumulated precipitation. Throughout the year, in Parker Dam, there are 39.4 rainfall days, and 3.9" (99mm) of precipitation is accumulated.Daylight
In Parker Dam, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 6:10 am and sunset at 7:02 pm. On the last day of September, in Parker Dam, sunrise is at 6:30 am and sunset at 6:21 pm PDT.
Sunshine
In Parker Dam, the average sunshine in September is 9.8h.UV index
In Parker Dam, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 7 transforms into these recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Parker Dam, CA
- Average high temperature in September: 96.8°F
The warmest month (with the highest average high temperature) is July (104.2°F).
The month with the lowest average high temperature is December (61.2°F).
- Average low temperature in September: 79.9°F
The month with the highest average low temperature is August (85.6°F).
The coldest month (with the lowest average low temperature) is December (47.1°F).
Average pressure in September
Parker Dam, CA
- Average pressure in September: 29.81"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.74"Hg).
Average wind speed in September
Parker Dam, CA
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is November (5.8mph).
Average humidity in September
Parker Dam, CA
- Average humidity in September: 25%
The months with the highest relative humidity are January and December (39%).
The month with the lowest relative humidity is June (15%).
Average rainfall in September
Parker Dam, CA
- Average rainfall in September: 0.43"
The wettest month (with the highest rainfall) is July (0.59").
The driest months (with the least rainfall) are May and June (0.04").
Average rainfall days in September
Parker Dam, CA
- Average rainfall days in September: 4.8 days
The month with the highest number of rainy days is July (7.8 days).
The month with the least rainy days is May (1.2 days).
Average daylight in September /
Average sunshine in September
Parker Dam, 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: 9h and 48min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in September
Parker Dam, CA
- Average sunshine days in September: 23 days
The month with the most sunshine days is May (29.3 days).
The month with the least sunshine days is July (20.2 days).
Average UV index in September
Parker Dam, CA
- Average UV index in September: 7
The month with the highest UV index is July (UV index 9).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Parker Dam, CA
- Average cloud cover in September: 7
The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in September
Parker Dam, 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).
