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 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
A minimal variation is noted in Encinitas's average high-temperature at the onset of September, reaching a still warm 76.3°F (24.6°C) from August's 76.5°F (24.7°C). Encinitas experiences a steady low-temperature of 64.6°F (18.1°C) throughout September.Humidity
In September, the average relative humidity is 69%.Rainfall
In September, the rain falls for 4.3 days. Throughout September, 0.31" (8mm) of precipitation is accumulated. Throughout the year, there are 63.5 rainfall days, and 6.65" (169mm) of precipitation is accumulated.Ocean temperature
In September, the average ocean temperature is 66.9°F (19.4°C).Note: Swimming is not an enjoyable activity for the majority when the water is at 66.9°F (19.4°C). The difficulty of controlling breathing increases as the temperature dips 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
In Encinitas, the average sunshine in September is 10.4h.UV index
In Encinitas, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Encinitas in September?
What is the average humidity in September?
How much does it rain in September?
What is the ocean temperature in September?
What is the average length of the day in September?
What time are sunrise and sunset in September in Encinitas?
How many hours of sunshine does Encinitas have in September?
What is the UV index intensity in September?
Average temperature in September
Encinitas, CA
- Average high temperature in September: 76.3°F
The warmest month (with the highest average high temperature) is August (76.5°F).
The months with the lowest average high temperature are February and December (62.6°F).
- Average low temperature in September: 64.6°F
The month with the highest average low temperature is August (64.8°F).
The coldest month (with the lowest average low temperature) is February (51.8°F).
Average pressure in September
Encinitas, 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
Encinitas, 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
Encinitas, 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
Encinitas, CA
- Average rainfall in September: 0.31"
The wettest month (with the highest rainfall) is December (1.22").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in September
Encinitas, CA
- Average rainfall days in September: 4.3 days
The month with the highest number of rainy days is March (7.8 days).
The month with the least rainy days is October (3.4 days).
Average sea temperature in September
Encinitas, CA
- Average sea temperature in September: 66.9°F
The best month for swimming (with the highest average sea temperature) is August (68°F).
The coldest months (with the lowest average sea temperature) are January and February (58.7°F).
Average daylight in September /
Average sunshine in September
Encinitas, CA
- Average daylight in September: 12h and 2min
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 2min
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 42min).
Average sunshine days in September
Encinitas, CA
- Average sunshine days in September: 22.1 days
The month with the most sunshine days is October (24.9 days).
The month with the least sunshine days is July (19.8 days).
Average UV index in September
Encinitas, 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
Encinitas, 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
Encinitas, 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).
Encinitas, California, USA
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