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
The yearly peak temperatures occur in August and September, averaging a high-temperature of 73.4°F (23°C).Humidity
In Port Hueneme, the average relative humidity in September is 65%.Rainfall
In Port Hueneme, during September, the rain falls for 3 days and regularly aggregates up to 0.16" (4mm) of precipitation. Throughout the year, there are 46.5 rainfall days, and 8.31" (211mm) of precipitation is accumulated.Ocean temperature
In Port Hueneme, the average seawater temperature in September is 63.3°F (17.4°C).Note: For most individuals, swimming in 63.3°F (17.4°C) is not a pleasurable activity. Breathing becomes progressively more difficult as water temperature declines below 69.8°F (21°C).
Daylight
In September, the average length of the day in Port Hueneme, California, is 12h and 22min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:22 pm. On the last day of September, sunrise is at 6:51 am and sunset at 6:41 pm PDT.
Sunshine
In Port Hueneme, the average sunshine in September is 10.9h.UV index
In September, the average daily maximum UV index in Port Hueneme is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What part of the year is the hottest in Port Hueneme?
What is the temperature in September in Port Hueneme?
What is the average humidity in September in Port Hueneme?
How much does it rain in Port Hueneme in September?
How cold is the water in September in Port Hueneme?
How many hours of daylight does Port Hueneme have in September?
What time are sunrise and sunset in September in Port Hueneme?
How long on average sun shines in September in Port Hueneme?
What is the UV index reading in September in Port Hueneme?
Average temperature in September
Port Hueneme, CA
- Average high temperature in September: 73.4°F
The warmest months (with the highest average high temperature) are August and September (73.4°F).
The month with the lowest average high temperature is February (59°F).
- Average low temperature in September: 63°F
The month with the highest average low temperature is September (63°F).
The coldest months (with the lowest average low temperature) are February and December (50.5°F).
Average pressure in September
Port Hueneme, CA
- Average pressure in September: 29.9"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is September (29.9"Hg).
Average wind speed in September
Port Hueneme, CA
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Port Hueneme, CA
- Average humidity in September: 65%
The month with the highest relative humidity is June (72%).
The month with the lowest relative humidity is November (57%).
Average rainfall in September
Port Hueneme, CA
- Average rainfall in September: 0.16"
The wettest month (with the highest rainfall) is January (1.85").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in September
Port Hueneme, CA
- Average rainfall days in September: 3 days
The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is August (1.3 days).
Average sea temperature in September
Port Hueneme, CA
- Average sea temperature in September: 63.3°F
The best month for swimming (with the highest average sea temperature) is August (64.1°F).
The coldest month (with the lowest average sea temperature) is April (56.7°F).
Average daylight in September /
Average sunshine in September
Port Hueneme, 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: 10h and 5min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and February (Average sunshine: 6h and 48min).
Average sunshine days in September
Port Hueneme, CA
- Average sunshine days in September: 24.1 days
The month with the most sunshine days is October (27.2 days).
The month with the least sunshine days is February (21.7 days).
Average UV index in September
Port Hueneme, CA
- Average UV index in September: 5
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 4).
Average cloud cover in September
Port Hueneme, CA
- Average cloud cover in September: 7
The month with the most cloud cover is March (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in September
Port Hueneme, 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).
Port Hueneme, California, USA
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