Livermore
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Livermore Weather in September

With daytime temperatures of 30°C (86°F) and nighttime lows of 13°C (55°F), September in Livermore brings high temperatures during the day. The excellent weather makes it an appealing time to visit.

Rainfall in Livermore in September

Historically, September sees about a single day of rain, with a monthly average of 2.9 mm (0.1 in). If rain does fall, it tends to be very light and barely worth getting out an umbrella for.

Temperature in Livermore in September

September tends to be one of the excellent months in Livermore, with 30°C (86°F) in the afternoon and 13°C (55°F) overnight. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 13°C (55°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Livermore in September

Enjoy a sunny month with about 270 hours of sunshine, the clear skies make Livermore even more beautiful.

For Livermore itself, April, May, June and October generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

Livermore Temperature in September

Min Temperature
13°C (55°F)
Max Temperature
30°C (86°F)
Chance of Rain
3%
Precipitation
2.9 mm (0.1 in)
Rainy days
a single day
Humidity
73% *
Sunshine
270 hours *
Percentage Sunshine
73% *
* Data from: San Francisco, the United States of America (54 KM, 33 Miles).

Livermore Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Livermore - and find the best time to visit.

Best Places in the United States of America in September

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Livermore in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Almost no rain is expected, so no need to bring rain gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Livermore in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    10/10
  • Cycling
    8/10
  • Walking
    8/10
  • Barbeque
    10/10
  • Camping
    10/10
  • Outdoor sports
    8/10

Livermore 3-Day Forecast

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.