September weather forecastSisquoc, CA
September
Weather in September
The first month of the autumn, September, is still a warm month in Sisquoc, California, with temperature in the range of an average high of 79.2°F (26.2°C) and an average low of 59.9°F (15.5°C).Temperature
With the start of September, Sisquoc measures an average high-temperature of a still moderately hot 79.2°F (26.2°C), not significantly differing from August's 79.3°F (26.3°C). An average low-temperature of 59.9°F (15.5°C) is common in Sisquoc, California, during the nights of September.Humidity
In Sisquoc, the average relative humidity in September is 59%.Rainfall
In Sisquoc, California, during September, the rain falls for 2 days and regularly aggregates up to 0.08" (2mm) of precipitation. In Sisquoc, during the entire year, the rain falls for 43.9 days and collects up to 6.93" (176mm) of precipitation.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:55 am and sunset at 6:46 pm PDT.
Sunshine
In September, the average sunshine in Sisquoc is 11.3h.UV index
The average daily maximum UV index in September in Sisquoc is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sisquoc, CA
- Average high temperature in September: 79.2°F
The warmest month (with the highest average high temperature) is August (79.3°F).
The month with the lowest average high temperature is December (61.9°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is September (59.9°F).
The coldest month (with the lowest average low temperature) is February (46.6°F).
Average pressure in September
Sisquoc, CA
- Average pressure in September: 29.91"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).
Average wind speed in September
Sisquoc, CA
- Average wind speed in September: 6.2mph
The windiest months (with the highest average wind speed) are April and May (7.6mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in September
Sisquoc, CA
- Average humidity in September: 59%
The month with the highest relative humidity is March (68%).
The month with the lowest relative humidity is October (58%).
Average rainfall in September
Sisquoc, CA
- Average rainfall in September: 0.08"
The wettest month (with the highest rainfall) is March (1.5").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in September
Sisquoc, CA
- Average rainfall days in September: 2 days
The month with the highest number of rainy days is March (7.9 days).
The months with the least rainy days are June and August (0.8 days).
Average daylight in September /
Average sunshine in September
Sisquoc, CA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 11h and 18min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 30min).
Average sunshine days in September
Sisquoc, CA
- Average sunshine days in September: 28 days
The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is February (21.3 days).
Average UV index in September
Sisquoc, CA
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in September
Sisquoc, CA
- Average cloud cover in September: 7
The month with the most cloud cover is March (Cloud cover 26).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in September
Sisquoc, 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).
