Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Pleasanton Weather in September
September in Pleasanton brings very high temperatures around 34°C (93°F) during the day, dropping to 21°C (70°F) at night, with quite a bit of rainfall expected, averaging around 100 mm (3.9 in) for the month.
Rainfall in Pleasanton in September
Records from the past 30 years suggest around 8 days of rain, with 100 mm (3.9 in) average for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Pleasanton in September
Pleasanton in September gets highs of 34°C (93°F) during the day and drops to 21°C (70°F) at night. For most visitors, the main thing to prepare for is the heat during the day. With overnight lows of 21°C (70°F), evenings stay pleasantly warm.
Sunshine in Pleasanton in September
Expect a lot of sunshine this month, with about 235 hours of sun. These sunny conditions add to the overall experience.Our weather planner can help you find worldwide destinations with pleasant weather during this period. February, March, April, November and December typically offer the best weather for Pleasanton.
Pleasanton Temperature in September
Min Temperature
21°C (70°F)
Max Temperature
34°C (93°F)
Chance of Rain
28%
Precipitation
100 mm (3.9 in)
Rainy days
8 days
Humidity
68% *
Sunshine
235 hours *
Percentage Sunshine
63% *
* Data from: San Antonio, the United States of America (50 KM, 31 Miles).
Pleasanton Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Pleasanton - 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 Pleasanton in September
Pack for serious heat in Pleasanton in September. Prioritize clothing that breathes and doesn't cling or stick. Lightweight cotton, linen, and moisture-wicking fabrics are ideal. A wide hat provides welcome shade. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Pleasanton in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Pleasanton 3-Day Forecast
More climate data for Pleasanton
Temperature Rainfall Sunshine Humidity
See the full Pleasanton climate overview or explore weather in the United States of America.
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.
Yosemite National Park is definitely worth a visit
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