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 start of September involves a subtle temperature drop, shifting from a torrid 99.3°F (37.4°C) in August to a tropical 92.8°F (33.8°C). Parkwood experiences a substantial decline from the daytime high temperatures in September, settling on an average low of 62.8°F (17.1°C).Humidity
In Parkwood, the average relative humidity in September is 33%.Rainfall
In Parkwood, during September, the rain falls for 1.6 days and regularly aggregates up to 0.12" (3mm) of precipitation. In Parkwood, during the entire year, the rain falls for 61.3 days and collects up to 12.99" (330mm) of precipitation.Daylight
In September, the average length of the day is 12h and 24min.On the first day of the month, sunrise is at 6:31 am and sunset at 7:28 pm. On the last day of September, sunrise is at 6:55 am and sunset at 6:44 pm PDT.
Sunshine
The average sunshine in September is 11.3h.UV index
In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 6 in September interprets into the following advice:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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?
How many days does it rain in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Parkwood have in September?
How high is the UV index in September?
Average temperature in September
Parkwood, CA
- Average high temperature in September: 92.8°F
The warmest month (with the highest average high temperature) is July (101.1°F).
The month with the lowest average high temperature is December (56.5°F).
- Average low temperature in September: 62.8°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is December (42.1°F).
Average pressure in September
Parkwood, 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 (29.9"Hg).
Average wind speed in September
Parkwood, CA
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is June (8mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).
Average humidity in September
Parkwood, CA
- Average humidity in September: 33%
The month with the highest relative humidity is January (68%).
The month with the lowest relative humidity is July (29%).
Average rainfall in September
Parkwood, CA
- Average rainfall in September: 0.12"
The wettest month (with the highest rainfall) is March (2.52").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days in September
Parkwood, CA
- Average rainfall days in September: 1.6 days
The month with the highest number of rainy days is March (11.2 days).
The month with the least rainy days is August (1 days).
Average daylight in September /
Average sunshine in September
Parkwood, 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 42min).
- 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
Parkwood, CA
- Average sunshine days in September: 27.8 days
The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is March (18.9 days).
Average UV index in September
Parkwood, 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
Parkwood, CA
- Average cloud cover in September: 6
The month with the most cloud cover is December (Cloud cover 32).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in September
Parkwood, 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).
Parkwood, California, USA
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