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 sea temperature 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
September reports an average high-temperature of a still warm 80.1°F (26.7°C), slightly varied from August's 83.5°F (28.6°C). Sea Ranch's nights in September are distinguished by a pronounced temperature shift from the day, with an average low of 53.2°F (11.8°C).Humidity
July and September, with an average relative humidity of 60%, are the least humid months.Rainfall
In Sea Ranch, during September, the rain falls for 2.1 days and regularly aggregates up to 0.16" (4mm) of precipitation. Throughout the year, in Sea Ranch, California, there are 83.1 rainfall days, and 21.38" (543mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall.Ocean temperature
In September, the average ocean temperature in Sea Ranch is 55.2°F (12.9°C).Note: Caution: 55.2°F (12.9°C) temperatures below 50°F (10°C) during swimming can result in intense cold shock and quickened breathing.
Daylight
The average length of the day in September in Sea Ranch is 12h and 25min.On the first day of the month, sunrise is at 6:43 am and sunset at 7:43 pm. On the last day of September, in Sea Ranch, sunrise is at 7:09 am and sunset at 6:57 pm PDT.
Sunshine
The average sunshine in September in Sea Ranch is 10.9h.UV index
In Sea Ranch, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In September, a regular UV index of 5 translates into these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Enhance your sun protection with tightly woven, yet airy clothing.
Frequently asked questions
What are September temperatures in Sea Ranch?
What are the least humid months in Sea Ranch?
What is the average humidity in September in Sea Ranch?
How much does it rain in Sea Ranch in September?
When it does not snow in Sea Ranch?
What is the ocean temperature in September in Sea Ranch?
What is the average length of the day in September in Sea Ranch?
When are sunrise and sunset in September in Sea Ranch?
How long on average sun shines in September in Sea Ranch?
What is the UV index intensity in September in Sea Ranch?
Average temperature in September
Sea Ranch, CA
- Average high temperature in September: 80.1°F
The warmest month (with the highest average high temperature) is August (83.5°F).
The month with the lowest average high temperature is December (54.7°F).
- Average low temperature in September: 53.2°F
The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (39.9°F).
Average pressure in September
Sea Ranch, CA
- Average pressure in September: 29.92"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in September
Sea Ranch, CA
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is May (6.8mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).
Average humidity in September
Sea Ranch, CA
- Average humidity in September: 60%
The month with the highest relative humidity is March (78%).
The months with the lowest relative humidity are July and September (60%).
Average rainfall in September
Sea Ranch, CA
- Average rainfall in September: 0.16"
The wettest month (with the highest rainfall) is February (4.49").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in September
Sea Ranch, CA
- Average rainfall days in September: 2.1 days
The month with the highest number of rainy days is March (15 days).
The month with the least rainy days is August (0.9 days).
Average snowfall in September
Sea Ranch, CA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Sea Ranch, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in September
Sea Ranch, CA
- Average sea temperature in September: 55.3°F
The best month for swimming (with the highest average sea temperature) is October (56°F).
The coldest month (with the lowest average sea temperature) is June (51.9°F).
Average daylight in September /
Average sunshine in September
Sea Ranch, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 10h and 5min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Sea Ranch, CA
- Average sunshine days in September: 27.1 days
The months with the most sunshine days are July and August (29.6 days).
The month with the least sunshine days is March (14.6 days).
Average UV index in September
Sea Ranch, 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 February, November and December (UV index 3).
Average cloud cover in September
Sea Ranch, CA
- Average cloud cover in September: 10
The month with the most cloud cover is March (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility in September
Sea Ranch, 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).
Sea Ranch, California, USA
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