September weather forecastNeedles, CA
September
Weather in September
September, the first month of the autumn in Needles, is still a tropical month, with an average temperature fluctuating between 94.8°F (34.9°C) and 77.4°F (25.2°C).Temperature
September signifies a minor drop in average high-temperature, transitioning from a fiery hot 101.7°F (38.7°C) in August to a tropical 94.8°F (34.9°C). During the month of September, an average low-temperature of 77.4°F (25.2°C) is recorded in Needles.Humidity
In Needles, the average relative humidity in September is 24%.Rainfall
In Needles, during September, the rain falls for 4.3 days and regularly aggregates up to 0.43" (11mm) of precipitation. In Needles, during the entire year, the rain falls for 41.8 days and collects up to 4.21" (107mm) of precipitation.Daylight
The average length of the day in September in Needles, California, is 12h and 23min.On the first day of the month, sunrise is at 6:11 am and sunset at 7:04 pm. On the last day of September, in Needles, sunrise is at 6:33 am and sunset at 6:23 pm PDT.
Sunshine
In September, the average sunshine in Needles is 10.1h.UV index
The average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 7 during September translates into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. 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
Needles, CA
- Average high temperature in September: 94.8°F
The warmest month (with the highest average high temperature) is July (102.6°F).
The month with the lowest average high temperature is December (59°F).
- Average low temperature in September: 77.4°F
The month with the highest average low temperature is August (83.8°F).
The coldest month (with the lowest average low temperature) is December (45.7°F).
Average pressure in September
Needles, CA
- Average pressure in September: 29.82"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.75"Hg).
Average wind speed in September
Needles, CA
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is April (9mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).
Average humidity in September
Needles, CA
- Average humidity in September: 24%
The months with the highest relative humidity are January and December (40%).
The month with the lowest relative humidity is June (14%).
Average rainfall in September
Needles, CA
- Average rainfall in September: 0.43"
The wettest month (with the highest rainfall) is July (0.67").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in September
Needles, CA
- Average rainfall days in September: 4.3 days
The month with the highest number of rainy days is July (7.8 days).
The month with the least rainy days is June (1.1 days).
Average daylight in September /
Average sunshine in September
Needles, CA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 10h and 6min
The months with the most sunshine are June and August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in September
Needles, CA
- Average sunshine days in September: 22.8 days
The month with the most sunshine days is November (28.1 days).
The month with the least sunshine days is July (17.9 days).
Average UV index in September
Needles, CA
- Average UV index in September: 7
The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Needles, 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
Needles, 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).
