Reno, NV weather in September
Reno is warm and dry in September: highs average 84°F and nights drop to about 50°F. Expect about 2 wet days. A good month for most outdoor plans.
- Normal high
- 84°F
- Normal low
- 50°F
- Wet days
- 2
- 0.2 in total
- Muggy days
- 0
- dew point 65°F+
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 89°F | 78°F |
| Normal low | 55°F | 46°F |
| Chance of a wet day | 5% | 8% |
| Sunrise / sunset | 6:27 am / 7:30 pm | 6:54 am / 6:43 pm |
| Daylight | 13.1 h | 11.8 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).
A typical September day
- 6 am51°Fdew point 35°F
- 9 am65°Fdew point 35°F
- Noon78°Fdew point 32°F
- 3 pm81°Fdew point 31°F
- 6 pm75°Fdew point 32°F
- 9 pm67°Fdew point 34°F
NOAA hourly normals (local standard time) from Reno Tahoe Intl Airport (4 mi away); average wind 5 mph; clear or few clouds in 65% of daytime hours, mostly cloudy or overcast in 18%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F9 of 30
- Hot dayshigh 90°F or more8 of 30
- Muggy daysdaily mean dew point 65°F or more0 of 30
- Wet daysat least 0.01 in of rain or melted snow2 of 30
- Notable rainat least 0.10 in1 of 30
- Freezing nightslow 32°F or below0 of 30
- Snow on the groundsnow depth 1 in or more0 of 30
Average days per September, counted from daily records for each year 1991-2020.
Rain in September
Normal precipitation is 0.2 in; a dry September brings about 0.0 in and a wet one about 0.3 in (25th and 75th percentiles). Days with half an inch or more are rare.
How September varies from year to year
- Warmest September, 1991-20202012: average high 88°F
- Coolest September1998: average high 79°F
- Wettest September1998: 2.2 in
- Driest September1992: no measurable precipitation
- Highest reading102°F (September 4, 2020)
- Lowest reading31°F (September 30, 1995)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
September compared with August and October
| August | September | October | |
|---|---|---|---|
| Normal high | 92°F | 84°F | 70°F |
| Normal low | 58°F | 50°F | 40°F |
| Wet days | 2 | 2 | 3 |
| Comfortable days | 1 | 9 | 18 |
| Daylight | 13.7 h | 12.4 h | 11.2 h |
Highs change by -8°F from August and -14°F into October.
Nearby alternatives in September
- Warmer: Chico, CA109 mi · high 90°F · 1 wet day
- Cooler: Incline Village, NV21 mi · high 70°F · 2 wet days
How Reno ranks in September
- Normal high154th warmest of 378 cities; 2nd of 3 in Nevada
- Wet days61st driest of 378
- Comfortable days168th most of 342
What to pack for Reno in September
- Layers – afternoons near 84°F but nights near 50°F
Heating and cooling
September has 57 heating degree days and 118 cooling degree days (base 65°F), 3% of the year's total heating and cooling demand.
Questions
How hot is Reno in September?
The normal high is 84°F and the normal low is 50°F. From 1991 to 2020 the hottest September reading was 102°F (September 4, 2020).
Does it rain a lot in Reno in September?
About 2 days in September have at least 0.01 in of precipitation, and the normal total is 0.2 in. The wettest September in 1991-2020 was in 1998 (2.2 in); the driest was in 1992, with no measurable precipitation.
Is September a good time to visit Reno?
September ranks 6th of 12 months on our comfort score for Reno (60 out of 100). It has about 9 comfortable days and about 8 days at 90°F or hotter. The best months are April and May.
Where the numbers come from
- Temperature, rain, frost dates, humidity and wind by hour and cloud cover: Reno Tahoe Intl Airport (USW00023185), 3.9 mi SE of the city center, 4,410 ft (95 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Snowfall: Reno WFO (USC00266791), 2.8 mi NNE of the city center, 4,987 ft (482 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Snow depth: Sparks (USC00267697), 4.7 mi ENE of the city center, 4,357 ft (148 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Reno/Tahoe International Airport (724880-23185), 2.9 mi ESE of the city center, 4,405 ft (100 ft lower than the city). Hourly observations, 1991-2020.