September weather forecastOcotillo, CA
September
Weather in September
The first month of the autumn, September, is also a fiery hot month in Ocotillo, California, with temperature in the range of an average low of 78.6°F (25.9°C) and an average high of 97.7°F (36.5°C).Temperature
With September's onset, the weather reveals a slight temperature decrease, transitioning from a scorching 104.9°F (40.5°C) in August to a very hot 97.7°F (36.5°C). Ocotillo's nights in September cool down to an average low-temperature of 78.6°F (25.9°C).Humidity
In Ocotillo, California, the average relative humidity in September is 26%.Rainfall
In Ocotillo, during September, the rain falls for 4.5 days and regularly aggregates up to 0.35" (9mm) of precipitation. In Ocotillo, during the entire year, the rain falls for 34.3 days and collects up to 3.27" (83mm) of precipitation.Daylight
The average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:08 pm. On the last day of September, in Ocotillo, sunrise is at 6:37 am and sunset at 6:29 pm PDT.
Sunshine
The average sunshine in September in Ocotillo, California, is 10.2h.UV index
The average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.Note: A maximum high UV index of 7 in September translates into the following recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ocotillo, CA
- Average high temperature in September: 97.7°F
The warmest month (with the highest average high temperature) is July (105.4°F).
The month with the lowest average high temperature is December (65.8°F).
- Average low temperature in September: 78.6°F
The month with the highest average low temperature is August (84.4°F).
The coldest month (with the lowest average low temperature) is January (48.9°F).
Average pressure in September
Ocotillo, CA
- Average pressure in September: 29.82"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.79"Hg).
Average wind speed in September
Ocotillo, CA
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is January (5mph).
Average humidity in September
Ocotillo, CA
- Average humidity in September: 26%
The months with the highest relative humidity are January and December (40%).
The month with the lowest relative humidity is June (22%).
Average rainfall in September
Ocotillo, CA
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is July (0.75").
The driest month (with the least rainfall) is May (0.04").
Average rainfall days in September
Ocotillo, CA
- Average rainfall days in September: 4.5 days
The month with the highest number of rainy days is July (7.2 days).
The month with the least rainy days is May (1.1 days).
Average daylight in September /
Average sunshine in September
Ocotillo, CA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 10h and 12min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days in September
Ocotillo, CA
- Average sunshine days in September: 24.2 days
The month with the most sunshine days is May (29.7 days).
The month with the least sunshine days is July (19.3 days).
Average UV index in September
Ocotillo, 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 4).
Average cloud cover in September
Ocotillo, CA
- Average cloud cover in September: 7
The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 4).
Average visibility in September
Ocotillo, 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).
