September weather forecastSolana Beach, CA
September
Weather in September
September, the first month of the autumn in Solana Beach, is also a moderately hot month, with an average temperature varying between 64.8°F (18.2°C) and 76.6°F (24.8°C).Temperature
Solana Beach's September weather, marked by an average high temperature of 76.6°F (24.8°C) and an average low temperature of 64.8°F (18.2°C), is the warmest in the year.Humidity
In Solana Beach, the average relative humidity in September is 69%.Rainfall
In September, the rain falls for 3.8 days. Throughout September, 0.28" (7mm) of precipitation is accumulated. In Solana Beach, during the entire year, the rain falls for 55.7 days and collects up to 5.75" (146mm) of precipitation.Ocean temperature
In Solana Beach, in September, the average water temperature is 66.7°F (19.3°C).Note: Swimming is not a pleasurable activity for most people when the water temperature is 66.7°F (19.3°C). Breathing control gets harder as the water temperature drops from 69.8°F (21°C) to 59°F (15°C).
Daylight
The average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:24 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:34 pm PDT.
Sunshine
The average sunshine in September is 10.3h.UV index
In Solana Beach, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Solana Beach, CA
- Average high temperature in September: 76.6°F
The warmest month (with the highest average high temperature) is September (76.6°F).
The months with the lowest average high temperature are February and December (63°F).
- Average low temperature in September: 64.8°F
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (51.8°F).
Average pressure in September
Solana Beach, CA
- Average pressure in September: 29.88"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).
Average wind speed in September
Solana Beach, CA
- Average wind speed in September: 5.4mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is October (5.2mph).
Average humidity in September
Solana Beach, CA
- Average humidity in September: 69%
The month with the highest relative humidity is June (75%).
The month with the lowest relative humidity is November (60%).
Average rainfall in September
Solana Beach, CA
- Average rainfall in September: 0.28"
The wettest month (with the highest rainfall) is December (1.06").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in September
Solana Beach, CA
- Average rainfall days in September: 3.8 days
The month with the highest number of rainy days is March (7.4 days).
The month with the least rainy days is August (2.8 days).
Average sea temperature in September
Solana Beach, CA
- Average sea temperature in September: 66.7°F
The best month for swimming (with the highest average sea temperature) is August (67.9°F).
The coldest month (with the lowest average sea temperature) is February (58.7°F).
Average daylight in September /
Average sunshine in September
Solana Beach, CA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 10h and 18min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in September
Solana Beach, CA
- Average sunshine days in September: 23.7 days
The month with the most sunshine days is October (25.9 days).
The month with the least sunshine days is February (21 days).
Average UV index in September
Solana Beach, CA
- Average UV index in September: 5
The months with the highest UV index are 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
Solana Beach, CA
- Average cloud cover in September: 12
The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Solana Beach, 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).
