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
With the onset of September, Greenview experiences a modest temperature adjustment, with the average high-temperature gently receding from 84.2°F (29°C) in August to a still warm 75.9°F (24.4°C). In Greenview, the nighttime temperature registers a significant drop from daytime peaks to an average of 44.8°F (7.1°C) in September.Humidity
In September, the average relative humidity in Greenview is 55%.Rainfall
In Greenview, in September, it is raining for 4.1 days, with typically 0.43" (11mm) of accumulated precipitation. Throughout the year, there are 116 rainfall days, and 17.8" (452mm) of precipitation is accumulated.Snowfall
In Greenview, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 6:38 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:54 pm PDT.
Sunshine
In Greenview, the average sunshine in September is 11h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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
What is the temperature in September?
What is the average humidity in September?
How much does it rain in Greenview in September?
When it does not snow in Greenview?
Does it snow in Greenview in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Greenview have in September?
How high is the UV index in September?
Average temperature in September
Greenview, CA
- Average high temperature in September: 75.9°F
The warmest months (with the highest average high temperature) are July and August (84.2°F).
The month with the lowest average high temperature is December (41.5°F).
- Average low temperature in September: 44.8°F
The month with the highest average low temperature is August (50.2°F).
The coldest month (with the lowest average low temperature) is December (26.6°F).
Average pressure in September
Greenview, CA
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in September
Greenview, CA
- Average wind speed in September: 4mph
The windiest month (with the highest average wind speed) is March (5.4mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in September
Greenview, CA
- Average humidity in September: 55%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (52%).
Average rainfall in September
Greenview, CA
- Average rainfall in September: 0.43"
The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in September
Greenview, CA
- Average rainfall days in September: 4.1 days
The month with the highest number of rainy days is March (16.7 days).
The month with the least rainy days is July (3.2 days).
Average snowfall in September
Greenview, CA
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.39").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Greenview, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Greenview, 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 6min).
The months with the least sunshine are January and December (Average sunshine: 5h and 42min).
Average sunshine days in September
Greenview, CA
- Average sunshine days in September: 25.1 days
The month with the most sunshine days is August (25.7 days).
The month with the least sunshine days is March (11 days).
Average UV index in September
Greenview, CA
- Average UV index in September: 4
The month with the highest UV index is 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
Greenview, CA
- Average cloud cover in September: 14
The months with the most cloud cover are March and December (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in September
Greenview, CA
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, November and December (5mi).
Greenview, California, USA
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