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 arrival of September correlates with a minor temperature reduction, down from August's very hot 100.9°F (38.3°C) to a hot 93.7°F (34.3°C). Throughout the month of September, Easton observes a dramatic downturn from the daytime peak temperatures, expecting an average low of 63.1°F (17.3°C).Humidity
In Easton, the average relative humidity in September is 33%.Rainfall
In Easton, in September, it is raining for 1.9 days, with typically 0.16" (4mm) of accumulated precipitation. Throughout the year, there are 59.3 rainfall days, and 10.31" (262mm) of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 6:31 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:43 pm PDT.
Sunshine
In September, the average sunshine in Easton is 11.2h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 6 suggests this advice:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the average humidity in September in Easton?
How many days does it rain in September?
How many hours of daylight does Easton have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Easton have in September?
How high is the UV index in September?
Average temperature in September
Easton, CA
- Average high temperature in September: 93.7°F
The warmest month (with the highest average high temperature) is July (101.8°F).
The month with the lowest average high temperature is December (57.2°F).
- Average low temperature in September: 63.1°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is December (42.6°F).
Average pressure in September
Easton, CA
- Average pressure in September: 29.92"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Easton, CA
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is June (7.2mph).
The calmest months (with the lowest average wind speed) are January, November and December (4.8mph).
Average humidity in September
Easton, CA
- Average humidity in September: 33%
The months with the highest relative humidity are January and December (66%).
The month with the lowest relative humidity is July (29%).
Average rainfall in September
Easton, CA
- Average rainfall in September: 0.16"
The wettest months (with the highest rainfall) are January and March (1.73").
The driest months (with the least rainfall) are June and August (0.08").
Average rainfall days in September
Easton, CA
- Average rainfall days in September: 1.9 days
The month with the highest number of rainy days is March (10.1 days).
The month with the least rainy days is August (1 days).
Average daylight in September /
Average sunshine in September
Easton, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 11h and 1min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in September
Easton, CA
- Average sunshine days in September: 27.1 days
The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is February (19.4 days).
Average UV index in September
Easton, 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, November and December (UV index 3).
Average cloud cover in September
Easton, CA
- Average cloud cover in September: 6
The month with the most cloud cover is December (Cloud cover 29).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in September
Easton, 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).
Easton, California, USA
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