September weather forecast
Meridian, CA

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Weather in September

September, the first month of the autumn in Meridian, is still a tropical month, with an average temperature fluctuating between 90.7°F (32.6°C) and 61°F (16.1°C).

Temperature

In September, the meteorological conditions change slightly, with the average high-temperature moving from a fiery hot 97°F (36.1°C) in August to a tropical 90.7°F (32.6°C). From the height of daytime heat, the temperature in Meridian recedes to an average of 61°F (16.1°C) at night during September.

Humidity

September is the least humid month, with an average relative humidity of 36%.

Rainfall

In Meridian, California, in September, during 1.7 rainfall days, 0.08" (2mm) of precipitation is typically accumulated. Throughout the year, in Meridian, California, there are 58.9 rainfall days, and 6.89" (175mm) of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 6:37 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:51 pm PDT.

Sunshine

In September, the average sunshine in Meridian is 11.2h.

UV index

The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 6 in September converts into the following recommendations:
Shun overexposure. Protection from sun ravages is indispensable. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Frequently asked questions

How hot is it in Meridian in September?

In Meridian, 90.7°F (32.6°C) is the average high-temperature and 61°F (16.1°C) is the average low-temperature during September. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in June is appraised at 93.2°F (34°C).

What is the least humid month in Meridian?

The least humid month in Meridian, California, is September, with an average relative humidity of 36%.

What is the average humidity in September in Meridian?

In Meridian, California, the average relative humidity in September is 36%.

How many days does it rain in September in Meridian?

In Meridian, California, in September, during 1.7 rainfall days, 0.08" (2mm) of precipitation is typically accumulated.

How many hours of daylight does Meridian have in September?

The average day length in September is 12h and 26min.

When is the sunrise / sunset in September in Meridian?

On the first day of September in Meridian, California, sunrise is at 6:37 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:51 pm PDT.

How long on average sun shines in September in Meridian?

In September, the average sunshine duration in Meridian is 11.2h.

How high is the UV index in September in Meridian?

The average daily maximum UV index in September in Meridian, California, is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Meridian, CA

Average temperature in September - Meridian, CA
  • Average high temperature in September: 90.7°F

The warmest month (with the highest average high temperature) is July (98.8°F).
The month with the lowest average high temperature is December (54.5°F).

  • Average low temperature in September: 61°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is December (42.1°F).

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Average pressure in September
Meridian, CA

Average pressure in September - Meridian, CA
  • Average pressure in September: 29.91"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in September
Meridian, CA

Average wind speed in September - Meridian, CA
  • Average wind speed in September: 5.1mph

The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in September
Meridian, CA

Average humidity in September - Meridian, CA
  • Average humidity in September: 36%

The month with the highest relative humidity is March (71%).
The month with the lowest relative humidity is September (36%).

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Average rainfall in September
Meridian, CA

Average rainfall in September - Meridian, CA
  • Average rainfall in September: 0.08"

The wettest months (with the highest rainfall) are February and December (1.3").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in September
Meridian, CA

Average rainfall days in September - Meridian, CA
  • Average rainfall days in September: 1.7 days

The month with the highest number of rainy days is March (10.4 days).
The month with the least rainy days is July (1 days).

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

Average daylight in September / Average sunshine in September - Meridian, 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 30min).

  • Average sunshine in September: 11h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days in September
Meridian, CA

Average sunshine days in September - Meridian, CA
  • Average sunshine days in September: 28 days

The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (19.7 days).

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Average UV index in September
Meridian, CA

Average UV index in September - Meridian, CA
  • Average UV index in September: 6

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are February, November and December (UV index 3).

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Average cloud cover in September
Meridian, CA

Average cloud cover in September - Meridian, CA
  • Average cloud cover in September: 8

The months with the most cloud cover are March and December (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in September
Meridian, CA

Average visibility in September - Meridian, 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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Meridian, California, USA

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