Weather in Reno in September 2025
Average weather
Average temperature in Reno in September
Going from a maximum of +30°C during the day to a minimum of +5°C during the night, the temperature in September averages around +26°C.
The average maximum temperature goes down 36% by the end of the month, compared with the beginning of the month, from +28°C to +19°C.
Is Reno warm or cold in September?
Reno is typically warm in September.
Maximum temperatures go down compared to the previous month from +31°C to +27°C. The minimum temperature also goes down from +14°C to +11°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how September is compared to other months in Reno:
Climate in Reno in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +31°C | +27°C | +20°C | ||||
| Min. temperature | ||||||
| +4°C | -1°C | -12°C | ||||
| Max. temperature | ||||||
| +38°C | +39°C | +33°C | ||||
| Rainfall | ||||||
| 14 mm | 17 mm | 28 mm | ||||
| Wind | ||||||
| 2 m/s | 1 m/s | 1 m/s | ||||
| Humidity | ||||||
| 32% | 36% | 46% | ||||
| Air pressure | ||||||
| 1013 HPa | 1013 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 18 | 17 | 15 | ||||
| Cloudy days | ||||||
| 5 | 6 | 9 | ||||
| Rainy days | ||||||
| 7 | 7 | 6 | ||||
| Snowy days | ||||||
| 0 | 0 | 1 | ||||
September weather is still as good as in August. It’s getting colder in September. From +31°C in the day, the average maximum temperature lowers to +27°C. Prepare for more rain. Average rainfall goes from 14 mm to 17 mm. Humidity rises from 32% to 36%. Winds are calmer in comparison to August, going down from 2 m/s to 1 m/s on average. The days becoming less sunny, going from 18 sunny days in August to 17 in September.
October brings much the same weather, it remains good.
Wind
The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Reno is gradually increasing during September, going from 3 m/s to 4 m/s over the course of the month.
Rain
How was the weather last September in Reno?
Climate Change over Years
The climate in Reno in September has not changed much over the last 43 years.
The average temperature was the lowest in 1982 (+15°C) and the highest in 2014 (+21°C). The driest year was 2013 with only 164 mm of rainfall, and the wettest year was 2019 with 688 mm.
FAQ
Is September a good time to visit Reno?
Can you sunbathe in Reno in September?
Is Reno rainy in September?
Is it sunny in Reno in September?
Other cities in USA
Monthly weather in Reno
Source of the data
For this page, we’ve looked at the typical weather in Reno, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
