September weather forecast
Fort Bragg, CA

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Colorful and shiny stone and glass pebbles blanket at the beach in Fort Bragg, California
Colorful and shiny stone and glass pebbles blanket at the beach in Fort Bragg, California

Weather in September

September, the first month of the autumn in Fort Bragg, is also an enjoyable month, with an average temperature fluctuating between 54.9°F (12.7°C) and 67.5°F (19.7°C).

Temperature

The warmest period is September, when temperatures fluctuate between an average high of 67.5°F (19.7°C) and a low of 54.9°F (12.7°C).

Humidity

In Fort Bragg, the average relative humidity in September is 76%.

Rainfall

In Fort Bragg, during September, the rain falls for 2.1 days and regularly aggregates up to 0.16" (4mm) of precipitation. Throughout the year, there are 68.4 rainfall days, and 9.53" (242mm) of precipitation is accumulated.

Snowfall

In Fort Bragg, snow does not fall in January, March through December.

Ocean temperature

In Fort Bragg, the average seawater temperature in September is 54.9°F (12.7°C).
Note: If planning to swim in 54.9°F (12.7°C) under 50°F (10°C), wear a protective suit. Neglecting this advice might cause immediate cold shock and troubled breathing. A splash around 55.4°F (13°C) is not much warmer.

Daylight

In Fort Bragg, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:44 am and sunset at 7:45 pm. On the last day of September, sunrise is at 7:11 am and sunset at 6:58 pm PDT.

Sunshine

The average sunshine in September in Fort Bragg, California, is 10.7h.

UV index

In Fort Bragg, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 4 in September transforms into the following instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

What time of the year is the hottest?

Temperature records in Fort Bragg mark September as the warmest month, with highs averaging 67.5°F (19.7°C) and lows at 54.9°F (12.7°C).

What is the average September temperature?

The average high-temperature, in September, in Fort Bragg, is 67.5°F (19.7°C), while the average low-temperature is 54.9°F (12.7°C).

What is the average humidity in September?

The average relative humidity in September is 76%.

How much does it rain in September?

In Fort Bragg, in September, it is raining for 2.1 days, with typically 0.16" (4mm) of accumulated precipitation.

When it does not snow in Fort Bragg?

In Fort Bragg, snow does not fall in January, March through December.

What is the ocean temperature in September?

In September, the average ocean temperature is 54.9°F (12.7°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

What is the average length of the day in September?

In September, the average day length is 12h and 26min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:44 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:58 pm PDT.

How long on average sun shines in September?

In September, the average sunshine duration is 10.7h.

How high is the UV index in September?

In Fort Bragg, California, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Fort Bragg, CA

Average temperature in September - Fort Bragg, CA
  • Average high temperature in September: 67.5°F

The warmest month (with the highest average high temperature) is September (67.5°F).
The months with the lowest average high temperature are February and December (54.3°F).

  • Average low temperature in September: 54.9°F

The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is February (45.5°F).

Average pressure in September
Fort Bragg, CA

Average pressure in September - Fort Bragg, CA
  • Average pressure in September: 29.94"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).

Average wind speed in September
Fort Bragg, CA

Average wind speed in September - Fort Bragg, CA
  • Average wind speed in September: 8.3mph

The windiest month (with the highest average wind speed) is June (10.9mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

Average humidity in September
Fort Bragg, CA

Average humidity in September - Fort Bragg, CA
  • Average humidity in September: 76%

The months with the highest relative humidity are March, May and August (80%).
The month with the lowest relative humidity is October (75%).

Average rainfall in September
Fort Bragg, CA

Average rainfall in September - Fort Bragg, CA
  • Average rainfall in September: 0.16"

The wettest month (with the highest rainfall) is December (1.77").
The driest months (with the least rainfall) are June, July and August (0.08").

Average rainfall days in September
Fort Bragg, CA

Average rainfall days in September - Fort Bragg, CA
  • Average rainfall days in September: 2.1 days

The month with the highest number of rainy days is March (11.4 days).
The months with the least rainy days are June and August (1.8 days).

Average snowfall in September
Fort Bragg, CA

Average snowfall in September - Fort Bragg, CA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.04").
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
Fort Bragg, CA

Average snowfall days in September - Fort Bragg, CA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.1 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
Fort Bragg, CA

Average sea temperature in September - Fort Bragg, CA
  • Average sea temperature in September: 54.8°F

The best month for swimming (with the highest average sea temperature) is October (55.6°F).
The coldest month (with the lowest average sea temperature) is April (52.1°F).

Average daylight in September /
Average sunshine in September
Fort Bragg, CA

Average daylight in September / Average sunshine in September - Fort Bragg, CA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 10h and 4min

The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in September
Fort Bragg, CA

Average sunshine days in September - Fort Bragg, CA
  • Average sunshine days in September: 27.7 days

The month with the most sunshine days is July (28.2 days).
The month with the least sunshine days is March (18.4 days).

Average UV index in September
Fort Bragg, CA

Average UV index in September - Fort Bragg, CA
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in September
Fort Bragg, CA

Average cloud cover in September - Fort Bragg, CA
  • Average cloud cover in September: 12

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 10).

Average visibility in September
Fort Bragg, CA

Average visibility in September - Fort Bragg, 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).

Fort Bragg, California, USA

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