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 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
The average high-temperature slightly decreases in September, shifting from a sweltering 97.9°F (36.6°C) in August to a tropical 92.3°F (33.5°C). A dramatic downturn marks the September nights in Hornitos, California, with lows averaging at an enjoyable 62.2°F (16.8°C).Humidity
The average relative humidity in September in Hornitos is 36%.Rainfall
In Hornitos, California, in September, it is raining for 2.5 days, with typically 0.12" (3mm) of accumulated precipitation. Throughout the year, there are 62.9 rainfall days, and 11.69" (297mm) of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 25min.On the first day of September in Hornitos, California, sunrise is at 6:32 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:45 pm PDT.
Sunshine
In Hornitos, the average sunshine in September is 11.4h.UV index
The average daily maximum UV index in September in Hornitos is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 6 during September translates into the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Hornitos in September?
What is the average humidity in September in Hornitos?
How much does it rain in Hornitos in September?
What is the average length of the day in September in Hornitos?
When is the sunrise / sunset in September in Hornitos?
How long on average sun shines in September in Hornitos?
What is the UV index intensity in September in Hornitos?
Average temperature in September
Hornitos, CA
- Average high temperature in September: 92.3°F
The warmest month (with the highest average high temperature) is July (99.1°F).
The month with the lowest average high temperature is December (55.9°F).
- Average low temperature in September: 62.2°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).
Average pressure in September
Hornitos, CA
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Hornitos, CA
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is June (8.3mph).
The calmest months (with the lowest average wind speed) are January and November (5.2mph).
Average humidity in September
Hornitos, CA
- Average humidity in September: 36%
The month with the highest relative humidity is January (70%).
The month with the lowest relative humidity is July (32%).
Average rainfall in September
Hornitos, CA
- Average rainfall in September: 0.12"
The wettest month (with the highest rainfall) is March (2.44").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days in September
Hornitos, CA
- Average rainfall days in September: 2.5 days
The month with the highest number of rainy days is March (11.3 days).
The month with the least rainy days is June (1.1 days).
Average daylight in September /
Average sunshine in September
Hornitos, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 11h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in September
Hornitos, CA
- Average sunshine days in September: 27.1 days
The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is March (18.8 days).
Average UV index in September
Hornitos, CA
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Hornitos, CA
- Average cloud cover in September: 6
The month with the most cloud cover is March (Cloud cover 32).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in September
Hornitos, 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).
Hornitos, California, USA
Weather forecast for your location
2. Allow the app to use your location