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 snowfall in September
- Average snowfall 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
Transitioning from August to September involves a subtle drop in average high-temperatures, descending from 82.4°F (28°C) to a still warm 74.1°F (23.4°C). Hackamore documents a significant temperature variance in September, with the mean nighttime lows settling at a chilly 47.3°F (8.5°C).Humidity
The average relative humidity in September is 39%.Rainfall
In Hackamore, in September, it is raining for 4.4 days, with typically 0.35" (9mm) of accumulated precipitation. In Hackamore, during the entire year, the rain falls for 85.8 days and collects up to 11.65" (296mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, there are 56.2 snowfall days, and 35.94" (913mm) of snow is accumulated.Daylight
In Hackamore, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:31 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:47 pm PDT.
Sunshine
The average sunshine in September is 11h.UV index
In Hackamore, California, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Avoiding the Sun during its peak radiation time around midday is a healthy practice. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in September?
When does it start snowing?
How many hours of daylight does Hackamore have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Hackamore have in September?
How high is the UV index in September?
Average temperature in September
Hackamore, CA
- Average high temperature in September: 74.1°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in September: 47.3°F
The month with the highest average low temperature is July (52.5°F).
The coldest month (with the lowest average low temperature) is December (23.2°F).
Average pressure in September
Hackamore, CA
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Hackamore, CA
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in September
Hackamore, CA
- Average humidity in September: 39%
The months with the highest relative humidity are January and December (79%).
The month with the lowest relative humidity is August (34%).
Average rainfall in September
Hackamore, CA
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is December (1.69").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in September
Hackamore, CA
- Average rainfall days in September: 4.4 days
The month with the highest number of rainy days is March (11.5 days).
The month with the least rainy days is July (2.5 days).
Average snowfall in September
Hackamore, CA
- Average snowfall in September: 0.16"
The month with the highest snowfall is December (8.27").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Hackamore, CA
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is December (12.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Hackamore, CA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 11h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Hackamore, CA
- Average sunshine days in September: 24.9 days
The months with the most sunshine days are July and August (26.3 days).
The month with the least sunshine days is March (13.2 days).
Average UV index in September
Hackamore, CA
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Hackamore, CA
- Average cloud cover in September: 13
The months with the most cloud cover are March and December (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in September
Hackamore, CA
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
Hackamore, California, USA
Weather forecast for your location
2. Allow the app to use your location