Nevada County climate

Nevada County Weather in September

NOAA 1991-2020 normals for Prescott 2 Nnw, 18.9 km from Nevada County

Average highs run from 90°F on September 1 to 82°F on September 30, and lows from 67°F to 57°F. Normal precipitation for the month is 3.94 in over about 6 wet days.

September day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Nevada County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
86°F
Average low
62°F
Precipitation
3.94 in
Record high
109°FSep 1, 2000
Record low
32°FSep 29, 1967
Chance of a freeze
0%
Days of 90°F or more
10.0
Daylight
12 h 52 min to 11 h 52 min
Cloud cover
44%
Humidity
65%
Dew point
62°F
Wind
4.7 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Sep 190°F67°F109°F 200055°F 196723%0%
Sep 290°F66°F107°F 195149°F 196723%0%
Sep 389°F66°F107°F 200047°F 195222%0%
Sep 489°F66°F108°F 200044°F 197422%0%
Sep 589°F66°F107°F 200048°F 197422%0%
Sep 689°F65°F101°F 194848°F 197422%0%
Sep 788°F65°F100°F 194847°F 198822%0%
Sep 888°F65°F102°F 194845°F 198822%0%
Sep 988°F65°F100°F 201949°F 201121%0%
Sep 1088°F64°F98°F 195252°F 201121%0%
Sep 1187°F64°F100°F 198043°F 197621%0%
Sep 1287°F64°F100°F 198049°F 196921%0%
Sep 1387°F63°F101°F 198048°F 196821%0%
Sep 1487°F63°F103°F 198043°F 196421%0%
Sep 1586°F63°F105°F 198046°F 197921%0%
Sep 1686°F62°F102°F 198044°F 196121%0%
Sep 1786°F62°F99°F 195344°F 199321%0%
Sep 1886°F61°F101°F 201045°F 198121%0%
Sep 1985°F61°F99°F 201042°F 198121%0%
Sep 2085°F61°F102°F 201045°F 198121%0%
Sep 2185°F60°F100°F 200544°F 198321%0%
Sep 2284°F60°F102°F 194839°F 198321%0%
Sep 2384°F60°F99°F 200542°F 197421%0%
Sep 2484°F59°F96°F 201041°F 198921%0%
Sep 2583°F59°F97°F 195442°F 196521%0%
Sep 2683°F58°F98°F 195441°F 197521%0%
Sep 2783°F58°F100°F 195339°F 198521%0%
Sep 2882°F58°F102°F 195339°F 196721%0%
Sep 2982°F57°F102°F 195332°F 196721%0%
Sep 3082°F57°F99°F 195338°F 194921%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Nevada County, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:47 AM, sunset 7:39 PM
September 30
sunrise 7:07 AM, sunset 6:59 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00035908 (Prescott 2 Nnw), public domain. Records: NOAA GHCN-Daily, station USC00034548, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.