Paso Robles
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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 excellent, 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.

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

Paso Robles Weather by Month

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

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 records 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 29 years of weather records for Paso Robles, the following extremes were recorded between 1997 and 2026.

  • 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
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 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.

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

Paso Robles 3-Day Forecast

More climate data for Paso Robles

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.