Logan climate

Logan Weather in September

NOAA 1991-2020 normals for Mccarty Rch, 26.7 km from Logan

Average highs run from 87°F on September 1 to 77°F on September 30, and lows from 59°F to 49°F. Normal precipitation for the month is 1.38 in over about 3 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 Logan, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
82°F
Average low
54°F
Precipitation
1.38 in
Record high
103°FSep 10, 2021
Record low
29°FSep 25, 2000
Chance of a freeze
3%
Days of 90°F or more
6.6
Daylight
12 h 54 min to 11 h 51 min
Cloud cover
38%
Humidity
49%
Dew point
48°F
Wind
9.6 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 187°F59°F99°F 197952°F 202415%0%
Sep 286°F59°F100°F 195148°F 197215%0%
Sep 386°F59°F102°F 200050°F 202415%0%
Sep 486°F58°F102°F 202648°F 195315%0%
Sep 586°F58°F102°F 194851°F 202514%0%
Sep 685°F58°F101°F 200050°F 202514%0%
Sep 785°F58°F101°F 202351°F 196714%0%
Sep 885°F57°F100°F 202641°F 202014%0%
Sep 985°F57°F100°F 202138°F 202014%0%
Sep 1084°F57°F103°F 202141°F 202013%0%
Sep 1184°F56°F100°F 197445°F 202013%0%
Sep 1284°F56°F96°F 196244°F 197513%0%
Sep 1383°F56°F101°F 201545°F 197513%0%
Sep 1483°F55°F98°F 201546°F 197712%0%
Sep 1583°F55°F98°F 201042°F 195112%0%
Sep 1683°F55°F98°F 197836°F 195112%0%
Sep 1782°F54°F98°F 200038°F 196512%0%
Sep 1882°F54°F98°F 195437°F 197112%0%
Sep 1981°F53°F98°F 201638°F 197111%0%
Sep 2081°F53°F97°F 195142°F 197111%0%
Sep 2181°F53°F96°F 201741°F 196511%0%
Sep 2280°F52°F97°F 201740°F 197211%0%
Sep 2380°F52°F96°F 201235°F 200911%0%
Sep 2480°F51°F95°F 196635°F 200010%0%
Sep 2579°F51°F99°F 202029°F 200010%0%
Sep 2679°F50°F99°F 202036°F 197010%0%
Sep 2779°F50°F96°F 195340°F 197010%0%
Sep 2878°F50°F94°F 197737°F 197310%0%
Sep 2978°F49°F96°F 201039°F 197310%0%
Sep 3077°F49°F95°F 200940°F 196510%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Logan, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

September 1
sunrise 6:26 AM, sunset 7:20 PM
September 30
sunrise 6:48 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 USC00295516 (Mccarty Rch), public domain. Records: NOAA GHCN-Daily, station USW00023048, 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.