Reno Weather in September
Reno in September sees high daytime temperatures of 29°C (84°F) and nighttime lows of 10°C (50°F). With just 2.7 mm (0.1 in) of rainfall on average, it's the driest month of the year.
Rainfall in Reno in September
The risk of rain is at its lowest this month, making it a reliable choice for outdoor plans. Typically, you can expect about 2 days of rain this month, with 2.7 mm (0.1 in) on average. If rain does fall, it tends to be very light and barely worth getting out an umbrella for.
Temperature in Reno in September
The temperature in Reno in September is perfect. Daytime highs reach 29°C (84°F), with nights dropping to 10°C (50°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows around 10°C (50°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Reno in September
The days are predominantly sunny, with an estimated total of around 343 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, June, September and October typically offer the best weather for Reno.
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 Reno's climate page.
Reno Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
29°C (84°F)
Chance of Rain
6%
Precipitation
2.7 mm (0.1 in)
Rainy days
2 days
Humidity
44%
Sunshine
343 hours
Percentage Sunshine
92%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Reno typically drop from around 31°C (88°F) at the start of September to approximately 26°C (79°F) by the end. Nights are cool, with lows typically ranging from 7°C (45°F) to 12°C (54°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 Reno in September
Browse day-by-day weather records for Reno spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Reno historical weather extremes in September
Based on weather observations in Reno between 1976 and 2025, these are the recorded extremes during September.
- On September 6, 2022, temperatures climbed to 40°C (104°F), marking the warmest September day on record.
- Reno registered its coldest September night on September 19, 1978, with temperatures dropping to -4°C (25°F).
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
What to Wear in Reno 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Reno 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 Reno's climate page.
Temperature Rainfall Sunshine Humidity
See the full Reno climate overview or explore weather in the United States of America.
