September weather forecastPoint Reyes Station, CA

September

Weather in September

The first month of the autumn, September, is still a pleasant month in Point Reyes Station, California, with an average temperature varying between 56.3°F (13.5°C) and 69.4°F (20.8°C).

Temperature

With average temperatures fluctuating between a high of 69.4°F (20.8°C) and a low of 56.3°F (13.5°C), September stands out as the warmest month.

Humidity

The average relative humidity in September is 75%.

Rainfall

In Point Reyes Station, in September, during 2.2 rainfall days, 0.08" (2mm) of precipitation is typically accumulated. Throughout the year, there are 55.1 rainfall days, and 4.65" (118mm) of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 6:41 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:55 pm PDT.

Sunshine

In Point Reyes Station, the average sunshine in September is 10.7h.

UV index

June through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 5 in September translates into this advice:
Be vigilant - Suggestions to stave off sun damage are provided. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Updated: Jun 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

September, known for its average high temperature of 69.4°F (20.8°C) and an average low temperature of 56.3°F (13.5°C), is the warmest month.

An average high-temperature, in September, in Point Reyes Station, is 69.4°F (20.8°C) and the average low-temperature is 56.3°F (13.5°C).

The average relative humidity in September is 75%.

In Point Reyes Station, in September, it is raining for 2.2 days, with typically 0.08" (2mm) of accumulated precipitation.

In Point Reyes Station, the average day length in September is 12h and 25min.

On the first day of September in Point Reyes Station, sunrise is at 6:41 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:55 pm PDT.

The average sunshine duration in September is 10.7h.

June through September, with an average maximum UV index of 5, are months with the highest UV index.

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Point Reyes Station, CA

  • Average high temperature in September: 69.4°F

The warmest month (with the highest average high temperature) is September (69.4°F).
The month with the lowest average high temperature is December (55.4°F).

  • Average low temperature in September: 56.3°F

The month with the highest average low temperature is September (56.3°F).
The coldest month (with the lowest average low temperature) is December (46.8°F).

Average pressure in September
Point Reyes Station, 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 August and September (29.92"Hg).

Average wind speed in September
Point Reyes Station, CA

  • Average wind speed in September: 7.6mph

The windiest months (with the highest average wind speed) are April and May (10mph).
The calmest month (with the lowest average wind speed) is November (6.9mph).

Average humidity in September
Point Reyes Station, CA

  • Average humidity in September: 75%

The months with the highest relative humidity are July and August (79%).
The month with the lowest relative humidity is October (72%).

Average rainfall in September
Point Reyes Station, CA

  • Average rainfall in September: 0.08"

The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in September
Point Reyes Station, CA

  • Average rainfall days in September: 2.2 days

The month with the highest number of rainy days is March (9.4 days).
The month with the least rainy days is June (1.5 days).

Average daylight in September /
Average sunshine in September
Point Reyes Station, CA

  • Average daylight in September: 12h and 24min

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 36min).

  • Average sunshine in September: 10h and 42min

The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

Average sunshine days in September
Point Reyes Station, CA

  • Average sunshine days in September: 25.1 days

The months with the most sunshine days are June and October (25.9 days).
The month with the least sunshine days is March (19.8 days).

Average UV index in September
Point Reyes Station, CA

  • Average UV index in September: 5

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

Average cloud cover in September
Point Reyes Station, CA

  • Average cloud cover in September: 16

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 16).

Average visibility in September
Point Reyes Station, 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).