Bethany climate

Bethany Weather in September

NOAA 1991-2020 normals for Sullivan 3S, 14.6 km from Bethany

Average highs run from 84°F on September 1 to 75°F on September 30, and lows from 59°F to 50°F. Normal precipitation for the month is 2.71 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 Bethany, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
80°F
Average low
55°F
Precipitation
2.71 in
Record high
101°FSep 2, 2011
Record low
35°FSep 24, 2012
Chance of a freeze
4%
Days of 90°F or more
3.6
Daylight
13 h 03 min to 11 h 49 min
Cloud cover
46%
Humidity
69%
Dew point
56°F
Wind
8.3 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 184°F59°F100°F 201146°F 200922%0%
Sep 284°F59°F101°F 201147°F 200922%0%
Sep 384°F59°F98°F 201150°F 202422%0%
Sep 483°F58°F98°F 200750°F 202422%0%
Sep 583°F58°F97°F 202646°F 200322%0%
Sep 683°F58°F96°F 201547°F 200322%0%
Sep 783°F58°F95°F 201546°F 201722%0%
Sep 883°F57°F92°F 200242°F 202522%0%
Sep 982°F57°F96°F 201344°F 202522%0%
Sep 1082°F57°F97°F 201344°F 201722%0%
Sep 1182°F56°F95°F 201344°F 201722%0%
Sep 1282°F56°F92°F 200547°F 200222%0%
Sep 1381°F56°F97°F 202542°F 201422%0%
Sep 1481°F55°F99°F 202540°F 201422%0%
Sep 1581°F55°F99°F 202640°F 200722%0%
Sep 1680°F55°F93°F 201847°F 201222%0%
Sep 1780°F54°F95°F 202645°F 201422%0%
Sep 1880°F54°F95°F 202544°F 202022%0%
Sep 1979°F54°F93°F 200537°F 202022%0%
Sep 2079°F53°F94°F 201839°F 200322%0%
Sep 2179°F53°F94°F 201741°F 200322%0%
Sep 2278°F52°F94°F 200544°F 201323%0%
Sep 2378°F52°F94°F 200740°F 201223%0%
Sep 2478°F52°F93°F 200735°F 201223%0%
Sep 2577°F51°F92°F 201739°F 200123%0%
Sep 2677°F51°F91°F 201742°F 200123%0%
Sep 2776°F51°F90°F 202141°F 200723%0%
Sep 2876°F50°F92°F 202541°F 200123%0%
Sep 2976°F50°F93°F 202538°F 202223%0%
Sep 3075°F50°F89°F 201939°F 200323%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Bethany, 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 6:23 AM, sunset 7:26 PM
September 30
sunrise 6:50 AM, sunset 6:39 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00118389 (Sullivan 3S), public domain. Records: NOAA GHCN-Daily, station USW00003887, 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.