Newtown climate

Newtown Weather in September

NOAA 1991-2020 normals for Waihee 837.5, 10.7 km from Newtown

Average highs run from 84°F on September 1 to 83°F on September 30, and lows from 72°F to 71°F. Normal precipitation for the month is 6.42 in over about 22 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 Newtown, in °F, with the record for each date.60708090100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
84°F
Average low
71°F
Precipitation
6.42 in
Record high
95°FSep 19, 1994
Record low
64°FSep 22, 2019
Chance of a freeze
0%
Daylight
12 h 33 min to 11 h 57 min
Cloud cover
44%
Humidity
74%
Dew point
70°F
Wind
14.1 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Sep 184°F72°F93°F 198468°F 197574%
Sep 284°F72°F94°F 199769°F 199374%
Sep 384°F72°F93°F 200569°F 199374%
Sep 484°F72°F94°F 198669°F 195574%
Sep 584°F72°F94°F 198769°F 195574%
Sep 684°F72°F94°F 198868°F 198274%
Sep 784°F71°F94°F 198668°F 195574%
Sep 884°F71°F92°F 196767°F 194474%
Sep 984°F71°F92°F 194666°F 194474%
Sep 1084°F71°F92°F 196767°F 194474%
Sep 1184°F71°F92°F 196668°F 198574%
Sep 1284°F71°F93°F 196566°F 198574%
Sep 1384°F71°F92°F 199768°F 197373%
Sep 1484°F71°F93°F 198568°F 197173%
Sep 1584°F71°F93°F 198569°F 195773%
Sep 1684°F71°F93°F 198567°F 195773%
Sep 1784°F71°F92°F 196770°F 195073%
Sep 1884°F71°F92°F 198568°F 197973%
Sep 1984°F71°F95°F 199468°F 194573%
Sep 2084°F71°F92°F 198668°F 195573%
Sep 2184°F71°F92°F 199067°F 197573%
Sep 2284°F71°F93°F 199564°F 201973%
Sep 2384°F71°F93°F 199567°F 195073%
Sep 2484°F71°F93°F 196668°F 195573%
Sep 2583°F71°F93°F 196669°F 195573%
Sep 2683°F71°F92°F 196569°F 194572%
Sep 2783°F71°F93°F 198768°F 199673%
Sep 2883°F71°F91°F 198768°F 194573%
Sep 2983°F71°F93°F 199366°F 197573%
Sep 3083°F71°F92°F 198867°F 198173%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Newtown, in percent.0204060801102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (HST).

September 1
sunrise 6:15 AM, sunset 6:48 PM
September 30
sunrise 6:23 AM, sunset 6:20 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00519281 (Waihee 837.5), public domain. Records: NOAA GHCN-Daily, station USW00022521, 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.