Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
September verdict
Livermore, California, United States in September
Weather score85Very good
Very good for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 10h per day, so bright days are a strong part of the month. Rainfall averages 7mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
29°C
Rain
7mm
Sun
10h
Weather score
85
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 7mm, which is relatively low for holiday planning.
Bright
Sunshine averages 10h per day, so bright days are a strong part of the month.
Map
Weather map
Compare Livermore, California, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September29°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
September7mm average rain
September is one of Livermore's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsMay to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September10 hours average sun
September is brighter than Livermore's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsApril to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
September85 weather score
September scores above Livermore's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
