September weather forecastSearles Valley, CA
September
Weather in September
September, the first month of the autumn in Searles Valley, is still a tropical month, with an average temperature varying between 86.5°F (30.3°C) and 65.5°F (18.6°C).Temperature
The advent of September brings a subtle shift in temperature, with the average high moving from 93.7°F (34.3°C) in August to a still tropical 86.5°F (30.3°C). Searles Valley usually reports an average low-temperature of 65.5°F (18.6°C) during the month of September.Humidity
In September, the average relative humidity is 23%.Rainfall
In Searles Valley, in September, it is raining for 2.1 days, with typically 0.16" (4mm) of accumulated precipitation. Throughout the year, there are 34.1 rainfall days, and 2.64" (67mm) of precipitation is accumulated.Snowfall
February through October and December are months without snowfall.Daylight
In Searles Valley, California, the average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:22 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:34 pm PDT.
Sunshine
In September, the average sunshine is 10.8h.UV index
In Searles Valley, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The UV index of 6 in September translates into these instructions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Searles Valley, CA
- Average high temperature in September: 86.5°F
The warmest month (with the highest average high temperature) is July (95°F).
The month with the lowest average high temperature is December (52°F).
- Average low temperature in September: 65.5°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is December (37°F).
Average pressure in September
Searles Valley, CA
- Average pressure in September: 29.87"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in September
Searles Valley, CA
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is May (9.1mph).
The calmest month (with the lowest average wind speed) is January (5.7mph).
Average humidity in September
Searles Valley, CA
- Average humidity in September: 23%
The months with the highest relative humidity are January and December (47%).
The month with the lowest relative humidity is August (20%).
Average rainfall in September
Searles Valley, CA
- Average rainfall in September: 0.16"
The wettest month (with the highest rainfall) is January (0.35").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in September
Searles Valley, CA
- Average rainfall days in September: 2.1 days
The month with the highest number of rainy days is March (4.3 days).
The month with the least rainy days is June (1.3 days).
Average snowfall in September
Searles Valley, CA
- Average snowfall in September: 0"
The month with the highest snowfall is November (0.16").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and December (0").
Average snowfall days in September
Searles Valley, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Searles Valley, 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 48min).
- Average sunshine in September: 10h and 48min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The months with the least sunshine are January and December (Average sunshine: 7h and 6min).
Average sunshine days in September
Searles Valley, CA
- Average sunshine days in September: 26 days
The month with the most sunshine days is December (28.1 days).
The month with the least sunshine days is July (23.6 days).
Average UV index in September
Searles Valley, CA
- Average UV index in September: 6
The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Searles Valley, CA
- Average cloud cover in September: 5
The months with the most cloud cover are January, March and December (Cloud cover 17).
The months with the least cloud cover are June, August and September (Cloud cover 5).
Average visibility in September
Searles Valley, 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).





