September weather forecast
Stewarts Point, CA

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Weather in September

The first month of the autumn, September, is still a warm month in Stewarts Point, California, with temperature in the range of an average low of 53.2°F (11.8°C) and an average high of 80.1°F (26.7°C).

Temperature

The arrival of September brings an average high-temperature of a still warm 80.1°F (26.7°C), nearly identical to August's 83.5°F (28.6°C). Stewarts Point documents a striking divergence from daytime highs, with an average nighttime temperature of 53.2°F (11.8°C) in September.

Humidity

The months with the lowest humidity in Stewarts Point are July and September, with an average relative humidity of 60%.

Rainfall

In Stewarts Point, in September, during 2.1 rainfall days, 0.16" (4mm) of precipitation is typically accumulated. Throughout the year, in Stewarts Point, California, there are 83.1 rainfall days, and 21.38" (543mm) of precipitation is accumulated.

Snowfall

In Stewarts Point, snow does not fall in January, March through December.

Daylight

In Stewarts Point, California, the average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 6:43 am and sunset at 7:43 pm. On the last day of September, sunrise is at 7:09 am and sunset at 6:57 pm PDT.

Sunshine

The average sunshine in September in Stewarts Point, California, is 10.9h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 5 suggests these recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

What are the temperatures in Stewarts Point in September?

The average high-temperature, in September, in Stewarts Point, is 80.1°F (26.7°C), while the average low-temperature is 53.2°F (11.8°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is estimated at 87.8°F (31°C).

What are the least humid months in Stewarts Point?

The months with the lowest humidity in Stewarts Point are July and September, with an average relative humidity of 60%.

What is the average humidity in September in Stewarts Point?

The average relative humidity in September in Stewarts Point is 60%.

How many days does it rain in September in Stewarts Point?

In Stewarts Point, California, in September, during 2.1 rainfall days, 0.16" (4mm) of precipitation is typically accumulated.

When it does not snow in Stewarts Point?

January, March through December are months without snowfall.

What is the average length of the day in September in Stewarts Point?

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

When are sunrise and sunset in September in Stewarts Point?

On the first day of September, sunrise is at 6:43 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:57 pm PDT.

How many hours of sunshine does Stewarts Point have in September?

In September, the average sunshine duration in Stewarts Point, California, is 10.9h.

How high is the UV index in September in Stewarts Point?

In Stewarts Point, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health risk 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
Stewarts Point, CA

Average temperature in September - Stewarts Point, CA
  • Average high temperature in September: 80.1°F

The warmest month (with the highest average high temperature) is August (83.5°F).
The month with the lowest average high temperature is December (54.7°F).

  • Average low temperature in September: 53.2°F

The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (39.9°F).

Average pressure in September
Stewarts Point, CA

Average pressure in September - Stewarts Point, 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 June, August and September (29.92"Hg).

Average wind speed in September
Stewarts Point, CA

Average wind speed in September - Stewarts Point, CA
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is May (6.8mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).

Average humidity in September
Stewarts Point, CA

Average humidity in September - Stewarts Point, CA
  • Average humidity in September: 60%

The month with the highest relative humidity is March (78%).
The months with the lowest relative humidity are July and September (60%).

Average rainfall in September
Stewarts Point, CA

Average rainfall in September - Stewarts Point, CA
  • Average rainfall in September: 0.16"

The wettest month (with the highest rainfall) is February (4.49").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days in September
Stewarts Point, CA

Average rainfall days in September - Stewarts Point, CA
  • Average rainfall days in September: 2.1 days

The month with the highest number of rainy days is March (15 days).
The month with the least rainy days is August (0.9 days).

Average snowfall in September
Stewarts Point, CA

Average snowfall in September - Stewarts Point, CA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.2").
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
Stewarts Point, CA

Average snowfall days in September - Stewarts Point, CA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in September /
Average sunshine in September
Stewarts Point, CA

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

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 30min).

  • Average sunshine in September: 10h and 5min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in September
Stewarts Point, CA

Average sunshine days in September - Stewarts Point, CA
  • Average sunshine days in September: 27.1 days

The months with the most sunshine days are July and August (29.6 days).
The month with the least sunshine days is March (14.6 days).

Average UV index in September
Stewarts Point, CA

Average UV index in September - Stewarts Point, CA
  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February, November and December (UV index 3).

Average cloud cover in September
Stewarts Point, CA

Average cloud cover in September - Stewarts Point, CA
  • Average cloud cover in September: 10

The month with the most cloud cover is March (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 6).

Average visibility in September
Stewarts Point, CA

Average visibility in September - Stewarts Point, 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).

Stewarts Point, California, USA

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