Andover climate

Andover Weather in September

NOAA 1991-2020 normals for Lawrence, 5.2 km from Andover

Average highs run from 79°F on September 1 to 68°F on September 30, and lows from 61°F to 51°F. Normal precipitation for the month is 3.90 in.

September day by day

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

Normal daily high and low temperature at Andover, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
74°F
Average low
56°F
Precipitation
3.90 in
Record high
96°FSep 11, 2013
Record low
31°FSep 29, 2000
Chance of a freeze
1%
Days of 90°F or more
0.8
Daylight
13 h 10 min to 11 h 47 min
Cloud cover
52%
Humidity
75%
Dew point
54°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 179°F61°F95°F 201047°F 20020%
Sep 279°F61°F95°F 201046°F 20010%
Sep 379°F61°F95°F 201848°F 20240%
Sep 478°F60°F91°F 201850°F 20240%
Sep 578°F60°F93°F 201844°F 20000%
Sep 678°F60°F95°F 201842°F 20000%
Sep 778°F60°F94°F 201546°F 20000%
Sep 877°F59°F95°F 200749°F 20250%
Sep 977°F59°F94°F 201544°F 20130%
Sep 1077°F59°F91°F 200243°F 20030%
Sep 1176°F58°F96°F 201344°F 20060%
Sep 1276°F58°F90°F 200541°F 20060%
Sep 1376°F58°F85°F 200145°F 20060%
Sep 1475°F57°F90°F 201644°F 20190%
Sep 1575°F57°F85°F 202141°F 20010%
Sep 1674°F56°F90°F 201842°F 20010%
Sep 1774°F56°F89°F 201541°F 20070%
Sep 1874°F56°F88°F 201538°F 20070%
Sep 1973°F55°F83°F 201538°F 20190%
Sep 2073°F55°F84°F 199837°F 20140%
Sep 2172°F54°F84°F 200235°F 20200%
Sep 2272°F54°F86°F 201935°F 20200%
Sep 2371°F54°F89°F 201941°F 19980%
Sep 2471°F53°F90°F 201738°F 19980%
Sep 2571°F53°F90°F 201742°F 20050%
Sep 2670°F52°F91°F 200739°F 20090%
Sep 2770°F52°F89°F 201737°F 20150%
Sep 2869°F51°F86°F 201436°F 20000%
Sep 2969°F51°F84°F 201531°F 20000%
Sep 3068°F51°F80°F 201036°F 20000%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Andover, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

September 1
sunrise 6:09 AM, sunset 7:19 PM
September 30
sunrise 6:41 AM, sunset 6:28 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00194105 (Lawrence), public domain. Records: NOAA GHCN-Daily, station USW00094723, 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.