September weather forecast
Strathmore, CA

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Weather in September

The first month of the autumn, September, is still a tropical month in Strathmore, California, with an average temperature varying between 90.7°F (32.6°C) and 61.9°F (16.6°C).

Temperature

The onset of September brings a small shift in high-temperatures, falling from a very hot 96.8°F (36°C) in August to a hot 90.7°F (32.6°C). In September, the temperature registers a significant dip to an average of 61.9°F (16.6°C) at night.

Humidity

The average relative humidity in September in Strathmore is 32%.

Rainfall

In Strathmore, in September, during 1.5 rainfall days, 0.12" (3mm) of precipitation is typically accumulated. In Strathmore, during the entire year, the rain falls for 52.3 days and collects up to 9.37" (238mm) of precipitation.

Snowfall

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

Daylight

In Strathmore, the average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:28 am and sunset at 7:23 pm. On the last day of September, sunrise is at 6:51 am and sunset at 6:40 pm PDT.

Sunshine

In Strathmore, the average sunshine in September is 11h.

UV index

In September, the average daily maximum UV index in Strathmore is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, a regular UV index of 6 translates into these guidelines:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Frequently asked questions

How hot is it in Strathmore in September?

The high-temperature in Strathmore during September is 90.7°F (32.6°C) and the low-temperature is 61.9°F (16.6°C).

What is the average humidity in September in Strathmore?

The average relative humidity in September in Strathmore is 32%.

How many days does it rain in September in Strathmore?

In Strathmore, California, in September, during 1.5 rainfall days, 0.12" (3mm) of precipitation is typically accumulated.

When it does not snow in Strathmore?

January, March through December are months without snowfall in Strathmore, California.

What is the average length of the day in September in Strathmore?

In September, the average day length in Strathmore, California, is 12h and 23min.

When is the sunrise / sunset in September in Strathmore?

On the first day of September in Strathmore, California, sunrise is at 6:28 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:40 pm PDT.

How long on average sun shines in September in Strathmore?

In Strathmore, the average sunshine duration in September is 11h.

How high is the UV index in September in Strathmore?

In Strathmore, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Strathmore, CA

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

The warmest month (with the highest average high temperature) is July (97.7°F).
The month with the lowest average high temperature is December (57.6°F).

  • Average low temperature in September: 61.9°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is December (40.3°F).

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Average pressure in September
Strathmore, CA

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in September
Strathmore, CA

Average wind speed in September - Strathmore, CA
  • Average wind speed in September: 4.5mph

The windiest month (with the highest average wind speed) is June (5.2mph).
The calmest month (with the lowest average wind speed) is December (3.6mph).

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Average humidity in September
Strathmore, CA

Average humidity in September - Strathmore, CA
  • Average humidity in September: 32%

The month with the highest relative humidity is January (64%).
The month with the lowest relative humidity is August (30%).

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Average rainfall in September
Strathmore, CA

Average rainfall in September - Strathmore, CA
  • Average rainfall in September: 0.12"

The wettest month (with the highest rainfall) is March (1.93").
The driest months (with the least rainfall) are June and August (0.04").

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Average rainfall days in September
Strathmore, CA

Average rainfall days in September - Strathmore, CA
  • Average rainfall days in September: 1.5 days

The month with the highest number of rainy days is March (9.3 days).
The month with the least rainy days is August (0.5 days).

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Average snowfall days in September
Strathmore, CA

Average snowfall days in September - Strathmore, CA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 11h and 0min

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

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Average sunshine days in September
Strathmore, CA

Average sunshine days in September - Strathmore, CA
  • Average sunshine days in September: 27.7 days

The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is February (20.3 days).

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Average UV index in September
Strathmore, CA

Average UV index in September - Strathmore, 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 January, November and December (UV index 3).

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Average cloud cover in September
Strathmore, CA

Average cloud cover in September - Strathmore, CA
  • Average cloud cover in September: 5

The month with the most cloud cover is March (Cloud cover 24).
The months with the least cloud cover are July and August (Cloud cover 4).

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Average visibility in September
Strathmore, CA

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

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