Solar Energy & Solar Power Resources

Solar Power in 94109 (San Francisco, CA)

Solar Energy in 94109

Sorry, historical solar radition values for 94109 are currently unavailable, please check back later.

Solar Panels in 94109

Solar panels in 94109 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 94109

The total length of the day in 94109 (San Francisco, CA) today (April 25, 2025) will be 13 hours and 38 minutes. [More]

Solar Energy in 94109 (San Francisco, CA)

Solar Energy Data for 94109

See the chart below to see how different types of solar panel installations compare in 94109.

Historical solar power output data for San Francisco is not currently available.

Solar Energy Analysis for 94109

Sorry, it is not possible to complete our solar energy analysis for 94109 at this time.

Please check back later.

Solar Energy Glossary

Global Horizontal Irradiance (GHI)

Global Horizontal Irradiance: The total amount of solar radiation that is received per unit area by a surface that is always positioned in a horizontal manner.

Direct Normal Irradiance (DNI)

Direct Normal Irradiance: The total amount of solar radiation received per unit area by a surface that is always perpendicular to the sun rays that come in a straight line from the direction of the sun at its current position in the sky.

Average Tilt at Latitude (ATaL)

Average Tilt at Latitude: The total amount of solar radiation received per unit area by a surface that is tilted toward the equator at an angle equal to the current latitude. ATaL will often produce the optimum energy output.

Solar Radiation Levels in 94109

Solar Radiation Data in 94109

See the chart below for monthly solar radiation levels in 94109.

Sorry, data is not currently available.

Solar Radiation Analysis for 94109

Sorry, it is not possible to complete our solar radiation analysis for 94109 at this time.

Historical solar radiation data for 94109 is not currently available.

Please check back later.

Solar Power Comparison: 94109 vs. the U.S.

Solar Power Levels in 94109

Sorry, solar radiation data for 94109 is not currently available.

Solar Power: 94109 vs. the U.S.

Below is a month-by-month comparison of how average 94109 solar radiation levels compare to average levels in a city with historcially high levels (NV) and a city with historically low levels (WA). ^[1]

Sorry, solar radiation data for California is not currently available.

Solar Data & Statistics for 94109

Sunrise / Sunset in 94109

Sunrise/Sunset for April 25, 2025 ^[2]
- Sunrise: 6:18 am
- Sunset: 7:56 pm
- Length of Day: 13:38

Best Months for Solar in 94109

Monthly data not currently available.

Solar Panel Installs in 94109

We do not have data on solar panel installations in ZIP Code 94109 at the current time.

Solar Power Output in 94109

The Power of Solar in 94109

Monthly AC solar system output averages for 94109. Month-by-month solar power, as ranked by AC output, in 94109. ^[2]

AC output data is not currently available.

Solar Output Analysis for 94109

Sorry, it is not possible to complete our solar radiation analysis for 94109 at this time.

Historical solar radiation data for 94109 is not currently available.

Please check back later.

Weather Forecast for 94109 ^[5]

Fri Apr 25

56°F

Light Rain
Min: 50°F
Max: 57°F

Moderate breeze: 14 mps WSW
Precip.: Chance of Rain
Humidity: 69%
Cloud cover: 98%

Sat Apr 26

55°F

Broken Clouds
Min: 48°F
Max: 57°F

Moderate breeze: 13 mps W
Precip.: n/a
Humidity: 62%
Cloud cover: 68%

Sun Apr 27

55°F

Overcast Clouds
Min: 52°F
Max: 56°F

Gentle Breeze: 12 mps WNW
Precip.: n/a
Humidity: 71%
Cloud cover: 99%

Mon Apr 28

59°F

Sky Is Clear
Min: 50°F
Max: 59°F

Gentle Breeze: 12 mps W
Precip.: n/a
Humidity: 65%
Cloud cover: 1%

Tue Apr 29

62°F

Broken Clouds
Min: 53°F
Max: 62°F

Gentle Breeze: 10 mps WSW
Precip.: n/a
Humidity: 64%
Cloud cover: 55%

Wed Apr 30

61°F

Sky Is Clear
Min: 53°F
Max: 61°F

Moderate breeze: 13 mps WSW
Precip.: n/a
Humidity: 68%
Cloud cover: 0%

More about 94109

About 94109

The ZIP code 94109 is associated with the city of San Francisco in City and County of San Francisco County in California.

94109 Solar Energy & Power

To learn more about solar energy and solar power in 94109, or for more solar-related resources for CA, check out the U.S. Energy Information Administration.