September weather forecast
Bluewater, CA

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Weather in September

The first month of the autumn, September, is still a very hot month in Bluewater, California, with an average temperature fluctuating between 79.9°F (26.6°C) and 96.8°F (36°C).

Temperature

September's arrival subtly correlates with a reduction in the average high-temperature, down from 103.6°F (39.8°C) in August to a still fiery hot 96.8°F (36°C). An average low-temperature of 79.9°F (26.6°C) is expected in Bluewater, California, during September.

Humidity

In September, the average relative humidity in Bluewater is 25%.

Rainfall

In Bluewater, during September, the rain falls for 4.8 days and regularly aggregates up to 0.43" (11mm) of precipitation. In Bluewater, California, during the entire year, the rain falls for 39.4 days and collects up to 3.9" (99mm) of precipitation.

Daylight

In September, the average length of the day is 12h and 22min.
On the first day of September in Bluewater, sunrise is at 6:11 am and sunset at 7:02 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 6:22 pm PDT.

Sunshine

In September, the average sunshine is 9.8h.

UV index

In Bluewater, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 7 during September translates into the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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Frequently asked questions

How hot does it get in Bluewater in September?

The average high-temperature and low-temperature during September are 96.8°F (36°C) and 79.9°F (26.6°C) respectively.

What is the average humidity in September in Bluewater?

In September, the average relative humidity is 25%.

How much does it rain in Bluewater in September?

In Bluewater, during September, the rain falls for 4.8 days and regularly aggregates up to 0.43" (11mm) of precipitation.

How many hours of daylight does Bluewater have in September?

In Bluewater, California, the average day length in September is 12h and 22min.

When is the sunrise / sunset in September in Bluewater?

In September, on the first day of the month, sunrise is at 6:11 am and sunset at 7:02 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 6:22 pm PDT.

How many hours of sunshine does Bluewater have in September?

The average sunshine duration in September in Bluewater is 9.8h.

What is the UV index intensity in September in Bluewater?

In September, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Bluewater, CA

Average temperature in September - Bluewater, CA
  • Average high temperature in September: 96.8°F

The warmest month (with the highest average high temperature) is July (104.2°F).
The month with the lowest average high temperature is December (61.2°F).

  • Average low temperature in September: 79.9°F

The month with the highest average low temperature is August (85.6°F).
The coldest month (with the lowest average low temperature) is December (47.1°F).

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Average pressure in September
Bluewater, CA

Average pressure in September - Bluewater, CA
  • Average pressure in September: 29.81"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.74"Hg).

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Average wind speed in September
Bluewater, CA

Average wind speed in September - Bluewater, CA
  • Average wind speed in September: 6.5mph

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is November (5.8mph).

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Average humidity in September
Bluewater, CA

Average humidity in September - Bluewater, CA
  • Average humidity in September: 25%

The months with the highest relative humidity are January and December (39%).
The month with the lowest relative humidity is June (15%).

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Average rainfall in September
Bluewater, CA

Average rainfall in September - Bluewater, CA
  • Average rainfall in September: 0.43"

The wettest month (with the highest rainfall) is July (0.59").
The driest months (with the least rainfall) are May and June (0.04").

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Average rainfall days in September
Bluewater, CA

Average rainfall days in September - Bluewater, CA
  • Average rainfall days in September: 4.8 days

The month with the highest number of rainy days is July (7.8 days).
The month with the least rainy days is May (1.2 days).

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Average daylight in September /
Average sunshine in September
Bluewater, CA

Average daylight in September / Average sunshine in September - Bluewater, 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: 9h and 5min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

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Average sunshine days in September
Bluewater, CA

Average sunshine days in September - Bluewater, CA
  • Average sunshine days in September: 23 days

The month with the most sunshine days is May (29.3 days).
The month with the least sunshine days is July (20.2 days).

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Average UV index in September
Bluewater, CA

Average UV index in September - Bluewater, CA
  • Average UV index in September: 7

The month with the highest UV index is July (UV index 9).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in September
Bluewater, CA

Average cloud cover in September - Bluewater, CA
  • Average cloud cover in September: 7

The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in September
Bluewater, CA

Average visibility in September - Bluewater, 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).

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Bluewater, California, USA

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