September weather forecast
Ashland, CA

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Weather in September

September, the first month of the autumn in Ashland, is also a moderately hot month, with an average temperature fluctuating between 56.5°F (13.6°C) and 78.3°F (25.7°C).

Temperature

Ashland notes an average high-temperature of a still moderately hot 78.3°F (25.7°C) in September, hardly diverging from August. During September, Ashland reports a marked contrast from daily peak temperatures, with an average nighttime reading of 56.5°F (13.6°C).

Humidity

The least humid month in Ashland is September, with an average relative humidity of 62%.

Rainfall

In Ashland, during September, the rain falls for 2.1 days and regularly aggregates up to 0.08" (2mm) of precipitation. Throughout the year, in Ashland, California, there are 56.9 rainfall days, and 4.06" (103mm) of precipitation is accumulated.

Daylight

In September, the average length of the day in Ashland, California, is 12h and 25min.
On the first day of September in Ashland, sunrise is at 6:39 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:52 pm PDT.

Sunshine

In Ashland, the average sunshine in September is 11.1h.

UV index

The average daily maximum UV index in September in Ashland is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum high UV index of 5 in September translates into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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Frequently asked questions

What is the average September temperature in Ashland?

The high-temperature in Ashland, California, during September is 78.3°F (25.7°C) and the low-temperature is 56.5°F (13.6°C).

What is the least humid month in Ashland?

The least humid month in Ashland is September, with an average relative humidity of 62%.

What is the average humidity in September in Ashland?

In September, the average relative humidity in Ashland, California, is 62%.

How much does it rain in Ashland in September?

In Ashland, during September, the rain falls for 2.1 days and regularly aggregates up to 0.08" (2mm) of precipitation.

How many hours of daylight does Ashland have in September?

In Ashland, the average day length in September is 12h and 25min.

When is the sunrise / sunset in September in Ashland?

In September, on the first day of the month, sunrise is at 6:39 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:52 pm PDT.

How long on average sun shines in September in Ashland?

The average sunshine duration in September in Ashland, California, is 11.1h.

What is the UV index reading in September in Ashland?

In September, the average daily maximum UV index in Ashland is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe 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
Ashland, CA

Average temperature in September - Ashland, CA
  • Average high temperature in September: 78.3°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (56.1°F).

  • Average low temperature in September: 56.5°F

The month with the highest average low temperature is September (56.5°F).
The coldest months (with the lowest average low temperature) are January and December (44.1°F).

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Average pressure in September
Ashland, CA

Average pressure in September - Ashland, 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).

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Average wind speed in September
Ashland, CA

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

The windiest month (with the highest average wind speed) is May (6.7mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).

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Average humidity in September
Ashland, CA

Average humidity in September - Ashland, CA
  • Average humidity in September: 62%

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is September (62%).

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Average rainfall in September
Ashland, CA

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

The wettest month (with the highest rainfall) is February (0.87").
The driest months (with the least rainfall) are June, July and August (0.04").

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Average rainfall days in September
Ashland, CA

Average rainfall days in September - Ashland, CA
  • Average rainfall days in September: 2.1 days

The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is August (0.7 days).

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

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

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

  • 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 54min).

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Average sunshine days in September
Ashland, CA

Average sunshine days in September - Ashland, CA
  • Average sunshine days in September: 26.9 days

The month with the most sunshine days is July (27.9 days).
The month with the least sunshine days is March (18.6 days).

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Average UV index in September
Ashland, CA

Average UV index in September - Ashland, CA
  • Average UV index in September: 5

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

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Average cloud cover in September
Ashland, CA

Average cloud cover in September - Ashland, CA
  • Average cloud cover in September: 10

The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 7).

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Average visibility in September
Ashland, CA

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

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