Paso Robles Weather in September
Paso Robles in September sees very high temperatures, with highs around 33°C (91°F) and overnight lows of 10°C (50°F). It's the driest month of the year, with very little rainfall to worry about.
Rainfall in Paso Robles in September
Expect the least amount of rain this month, providing an excellent opportunity for outdoor activities. Enjoy the clearest skies and driest conditions of the year. Typically, about 0 days will experience rainfall, with an average of 0.3 mm (0.01 in) for the month.
Temperature in Paso Robles in September
Paso Robles in September is worth a visit. The temperature is perfect, with 33°C (91°F) during the day and 10°C (50°F) at night. If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. Nights drop to around 10°C (50°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Paso Robles in September
Expect a lot of sunshine this month, with about 270 hours of sun. These sunny conditions add to the overall experience.If you prefer enjoying temperate temperatures and rain-free days, March, April, May, October and November typically offer 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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Paso Robles's climate page.
Paso Robles Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
33°C (91°F)
Chance of Rain
0%
Precipitation
0.3 mm (0.01 in)
Rainy days
0 days
Sunshine
270 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Paso Robles typically drop from around 34°C (93°F) at the start of September to approximately 30°C (86°F) by the end. Nights are cool, with lows typically ranging from 10°C (50°F) to 13°C (55°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Paso Robles in September
Browse day-by-day weather records for Paso Robles spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Paso Robles historical weather extremes in September
According to our 28 years of weather records for Paso Robles, the following extremes were recorded between 1997 and 2025.
- The hottest September day on record in Paso Robles reached 47°C (117°F) (September 6, 2020).
- Nighttime temperatures dropped to 4°C (39°F) on September 30, 2009, marking the coldest September night on record.
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
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tolerable
unpleasant
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What to Wear in Paso Robles in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Paso Robles in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Paso Robles's climate page.
See the full Paso Robles climate overview or explore weather in the United States of America.
