Estelline climate

Estelline Weather in September

NOAA 1991-2020 normals for Castlewood, 19.5 km from Estelline

Average highs run from 76°F on September 1 to 65°F on September 30, and lows from 52°F to 39°F. Normal precipitation for the month is 3.06 in over about 7 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 Estelline, in °F, with the record for each date.020406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
71°F
Average low
46°F
Precipitation
3.06 in
Record high
102°FSep 10, 1931
Record low
12°FSep 29, 1899
Chance of a freeze
66%
Days of 90°F or more
0.7
Daylight
13 h 14 min to 11 h 46 min
Cloud cover
50%
Humidity
65%
Dew point
48°F
Wind
11.6 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 176°F52°F98°F 191332°F 194923%0%
Sep 276°F52°F97°F 193736°F 191723%0%
Sep 376°F52°F99°F 192525°F 197423%0%
Sep 475°F51°F99°F 192531°F 197423%0%
Sep 575°F51°F99°F 202329°F 196223%0%
Sep 675°F50°F99°F 193931°F 195623%0%
Sep 774°F50°F100°F 197632°F 195623%0%
Sep 874°F50°F99°F 190832°F 198623%0%
Sep 974°F49°F100°F 190429°F 191023%0%
Sep 1073°F49°F102°F 193127°F 189423%0%
Sep 1173°F48°F96°F 193122°F 189423%0%
Sep 1273°F48°F95°F 190823°F 190223%0%
Sep 1372°F47°F98°F 193926°F 190223%
Sep 1472°F47°F98°F 193931°F 194923%
Sep 1571°F47°F97°F 195524°F 189423%
Sep 1671°F46°F95°F 195525°F 190323%
Sep 1771°F46°F100°F 189520°F 189422%
Sep 1870°F45°F93°F 194023°F 190222%
Sep 1970°F45°F98°F 189516°F 189622%
Sep 2069°F44°F94°F 198421°F 191822%
Sep 2169°F44°F95°F 193723°F 190422%
Sep 2269°F43°F91°F 193617°F 191322%
Sep 2368°F43°F92°F 193523°F 198322%
Sep 2468°F42°F90°F 193518°F 189421%
Sep 2567°F42°F89°F 189818°F 189321%
Sep 2667°F41°F92°F 195623°F 198421%
Sep 2766°F41°F96°F 195619°F 189321%
Sep 2866°F40°F91°F 189420°F 194220%
Sep 2965°F40°F91°F 199812°F 189920%
Sep 3065°F39°F89°F 202519°F 193920%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Estelline, 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 6:50 AM, sunset 8:04 PM
September 30
sunrise 7:24 AM, sunset 7:10 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00391519 (Castlewood), public domain. Records: NOAA GHCN-Daily, station USC00391076, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.