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 average high-temperature for September is a still warm 77.4°F (25.2°C), closely aligning with the temperature of the preceding month. Goleta records an average temperature drop to a refreshing 61.7°F (16.5°C) in September.Humidity
September through November, with an average relative humidity of 56%, are the least humid months in Goleta, California.Rainfall
In September, the rain falls for 1.9 days. Throughout September, 0.12" (3mm) of precipitation is accumulated. In Goleta, during the entire year, the rain falls for 43.7 days and collects up to 7.68" (195mm) of precipitation.Daylight
In September, the average length of the day is 12h and 22min.On the first day of September, sunrise is at 6:33 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:44 pm PDT.
Sunshine
The average sunshine in September in Goleta is 11.2h.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 6 during September translates into the following recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
What are September temperatures in Goleta?
What is the least humid month in Goleta?
What is the average humidity in September in Goleta?
How much does it rain in Goleta in September?
How many hours of daylight does Goleta have in September?
When are sunrise and sunset in September in Goleta?
How many hours of sunshine does Goleta have in September?
What are the months with the highest UV index in Goleta?
What is the UV index reading in September in Goleta?
Average temperature in September
Goleta, CA
- Average high temperature in September: 77.4°F
The warmest month (with the highest average high temperature) is August (79.2°F).
The month with the lowest average high temperature is December (60.6°F).
- Average low temperature in September: 61.7°F
The month with the highest average low temperature is August (62.1°F).
The coldest month (with the lowest average low temperature) is February (47.7°F).
Average pressure in September
Goleta, 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
Goleta, CA
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).
Average humidity in September
Goleta, CA
- Average humidity in September: 56%
The month with the highest relative humidity is March (64%).
The months with the lowest relative humidity are September, October and November (56%).
Average rainfall in September
Goleta, CA
- Average rainfall in September: 0.12"
The wettest month (with the highest rainfall) is January (1.57").
The driest months (with the least rainfall) are June and August (0.08").
Average rainfall days in September
Goleta, CA
- Average rainfall days in September: 1.9 days
The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is June (1.2 days).
Average daylight in September /
Average sunshine in September
Goleta, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 11h and 1min
The months with the most sunshine are June and July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days in September
Goleta, CA
- Average sunshine days in September: 26.2 days
The month with the most sunshine days is August (28 days).
The month with the least sunshine days is February (21.6 days).
Average UV index in September
Goleta, CA
- Average UV index in September: 6
The months with the highest UV index are June, July, August and September (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
Goleta, CA
- Average cloud cover in September: 6
The month with the most cloud cover is March (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in September
Goleta, 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).
Goleta, California, USA
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