September weather forecast
Solvang, CA

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Weather in September

September, the first month of the autumn in Solvang, is still a warm month, with an average temperature ranging between max 79.7°F (26.5°C) and min 61.3°F (16.3°C).

Temperature

The transition from August to September brings an average high-temperature of a still moderately hot 79.7°F (26.5°C), barely different from August's 82°F (27.8°C). Solvang experiences a mean temperature of 61.3°F (16.3°C) during September nights.

Humidity

In September, the average relative humidity is 55%.

Rainfall

In Solvang, in September, during 2 rainfall days, 0.08" (2mm) of precipitation is typically accumulated. Throughout the year, there are 48.3 rainfall days, and 9.84" (250mm) of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 23min.
On the first day of September, sunrise is at 6:34 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:45 pm PDT.

Sunshine

The average sunshine in September is 11.2h.

UV index

June through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: During September, 6 as the daily maximum UV index converts into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Updated: Jul 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Solvang in September?

September temperatures vary between a high-temperature of 79.7°F (26.5°C) and a low-temperature of 61.3°F (16.3°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in August is evaluated at 84.2°F (29°C).

What is the average humidity in September?

The average relative humidity in September is 55%.

How much does it rain in September?

In September, the rain falls for 2 days. Throughout September, 0.08" (2mm) of precipitation is accumulated.

What is the average length of the day in September?

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

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:34 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:45 pm PDT.

How long on average sun shines in September in Solvang?

The average sunshine duration in September is 11.2h.

When is the highest UV index?

June through September, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk 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
Solvang, CA

Average temperature in September - Solvang, CA
  • Average high temperature in September: 79.7°F

The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (61°F).

  • Average low temperature in September: 61.3°F

The month with the highest average low temperature is August (61.5°F).
The coldest month (with the lowest average low temperature) is February (46.8°F).

Average pressure in September
Solvang, CA

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

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).

Average wind speed in September
Solvang, CA

Average wind speed in September - Solvang, CA
  • Average wind speed in September: 6.2mph

The windiest months (with the highest average wind speed) are April and May (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in September
Solvang, CA

Average humidity in September - Solvang, CA
  • Average humidity in September: 55%

The month with the highest relative humidity is March (64%).
The month with the lowest relative humidity is October (54%).

Average rainfall in September
Solvang, CA

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

The wettest month (with the highest rainfall) is January (2.09").
The driest months (with the least rainfall) are June and August (0.04").

Average rainfall days in September
Solvang, CA

Average rainfall days in September - Solvang, CA
  • Average rainfall days in September: 2 days

The month with the highest number of rainy days is March (8.5 days).
The month with the least rainy days is August (0.8 days).

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

Average daylight in September / Average sunshine in September - Solvang, 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: 11h and 1min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 30min).

Average sunshine days in September
Solvang, CA

Average sunshine days in September - Solvang, CA
  • Average sunshine days in September: 27.6 days

The month with the most sunshine days is August (29.1 days).
The month with the least sunshine days is February (20.8 days).

Average UV index in September
Solvang, CA

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

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

Average cloud cover in September
Solvang, CA

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

The month with the most cloud cover is March (Cloud cover 25).
The months with the least cloud cover are August and September (Cloud cover 5).

Average visibility in September
Solvang, CA

Average visibility in September - Solvang, 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).

Solvang, California, USA

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