Swede Heaven climate

Swede Heaven Weather in September

NOAA 1991-2020 normals for Darrington RS, 9.6 km from Swede Heaven

Average highs run from 76°F on September 1 to 66°F on September 30, and lows from 51°F to 44°F. Normal precipitation for the month is 3.39 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 Swede Heaven, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
72°F
Average low
47°F
Precipitation
3.39 in
Record high
92°FSep 3, 2017
Record low
30°FSep 26, 2015
Chance of a freeze
2%
Days of 90°F or more
1.3
Daylight
13 h 23 min to 11 h 43 min
Cloud cover
52%
Humidity
77%
Dew point
42°F
Wind
3.1 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 176°F51°F85°F 201342°F 20180%
Sep 276°F51°F89°F 201740°F 20180%
Sep 376°F51°F92°F 201739°F 20180%
Sep 476°F50°F88°F 201738°F 20180%
Sep 575°F50°F85°F 201740°F 20150%
Sep 675°F50°F89°F 201444°F 20180%
Sep 775°F50°F89°F 201244°F 20200%
Sep 874°F49°F85°F 201138°F 20160%
Sep 974°F49°F88°F 202038°F 20160%
Sep 1074°F49°F89°F 202039°F 20140%
Sep 1174°F49°F91°F 201335°F 20140%
Sep 1273°F48°F82°F 201535°F 20140%
Sep 1373°F48°F83°F 201437°F 20140%
Sep 1473°F48°F88°F 201438°F 20170%
Sep 1572°F48°F88°F 201437°F 20170%
Sep 1672°F47°F80°F 201740°F 20150%
Sep 1772°F47°F82°F 201236°F 20180%
Sep 1871°F47°F85°F 201236°F 20180%
Sep 1971°F47°F83°F 201338°F 20180%
Sep 2070°F46°F80°F 201135°F 20160%
Sep 2170°F46°F87°F 201435°F 20150%
Sep 2270°F46°F76°F 201134°F 20150%
Sep 2369°F46°F86°F 201135°F 20150%
Sep 2469°F45°F82°F 201136°F 20180%
Sep 2568°F45°F77°F 201637°F 20180%
Sep 2668°F45°F78°F 201630°F 20150%
Sep 2767°F45°F82°F 201731°F 20150%
Sep 2867°F44°F89°F 201732°F 20150%
Sep 2966°F44°F83°F 201134°F 20160%
Sep 3066°F44°F70°F 201234°F 20160%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Swede Heaven, 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 (PDT).

September 1
sunrise 6:25 AM, sunset 7:48 PM
September 30
sunrise 7:05 AM, sunset 6:48 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00451992 (Darrington RS), public domain. Records: NOAA GHCN-Daily, station USC00450257, 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.