Glasgow climate

Glasgow Weather in September

NOAA 1991-2020 normals for Glasgow Intl AP, 2.2 km from Glasgow

Average highs run from 79°F on September 1 to 66°F on September 30, and lows from 52°F to 41°F. Normal precipitation for the month is 1.06 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 Glasgow, in °F, with the record for each date.020406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
73°F
Average low
47°F
Precipitation
1.06 in
Record high
106°FSep 7, 2022
Record low
15°FSep 21, 1995
Chance of a freeze
51%
Days of 90°F or more
2.5
Daylight
13 h 22 min to 11 h 42 min
Cloud cover
55%
Humidity
53%
Dew point
41°F
Wind
10.7 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 179°F52°F103°F 198339°F 199423%0%
Sep 279°F52°F98°F 194836°F 196223%0%
Sep 379°F52°F100°F 202232°F 196223%0%
Sep 478°F51°F100°F 195035°F 195623%0%
Sep 578°F51°F99°F 202233°F 195623%0%
Sep 677°F51°F97°F 198033°F 199223%0%
Sep 777°F50°F106°F 202234°F 197223%
Sep 876°F50°F94°F 199830°F 202023%
Sep 976°F49°F96°F 199827°F 196223%
Sep 1076°F49°F92°F 194823°F 195523%
Sep 1175°F49°F93°F 197126°F 198923%
Sep 1275°F48°F97°F 195826°F 197023%
Sep 1374°F48°F92°F 194821°F 194923%
Sep 1474°F48°F96°F 195531°F 200723%
Sep 1573°F47°F91°F 199831°F 197023%
Sep 1673°F47°F98°F 199829°F 196523%
Sep 1772°F46°F95°F 200927°F 196523%
Sep 1872°F46°F99°F 202122°F 199123%
Sep 1971°F46°F96°F 200928°F 195723%
Sep 2071°F45°F91°F 200820°F 199524%
Sep 2171°F45°F88°F 194815°F 199523%
Sep 2270°F45°F89°F 202127°F 199523%
Sep 2370°F44°F95°F 199226°F 198523%
Sep 2469°F44°F91°F 201126°F 200023%
Sep 2569°F43°F96°F 202428°F 196523%
Sep 2668°F43°F93°F 195227°F 196523%
Sep 2767°F42°F91°F 202124°F 196123%
Sep 2867°F42°F89°F 201023°F 197223%
Sep 2966°F42°F99°F 202424°F 196123%
Sep 3066°F41°F92°F 196320°F 198523%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Glasgow, 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 (MDT).

September 1
sunrise 6:25 AM, sunset 7:47 PM
September 30
sunrise 7:05 AM, sunset 6:47 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00094008 (Glasgow Intl AP), public domain. Records: NOAA GHCN-Daily, station USW00094008, 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.