Park Rapids weather in September: Park Rapids, Minnesota: normal highs, lows, rain and records for September

Park Rapids in September has a normal high of 69°F and a normal low of 46°F, a daily mean of 58°F, falling from 75°F on the 1st to 62°F by the 30th. Measurable precipitation falls on 10 days in a normal September, 2.70 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 21°C and low of 8°C, 69 mm of precipitation in September.

  • NOAA stationPark Rapids Municipal Airport
  • Station IDUSW00094967
  • Location46.90°N 95.07°W
  • Elevation1,434 ft (437 m)
  • Population4,381
  1. Jan 18° -3°
  2. Feb 24° 1°
  3. Mar 37° 16°
  4. Apr 53° 29°
  5. May 67° 42°
  6. Jun 76° 53°
  7. Jul 80° 57°
  8. Aug 79° 55°
  9. Sep 69° 46°
  10. Oct 54° 34°
  11. Nov 36° 19°
  12. Dec 23° 5°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Park Rapids in September?

The normal high is 69°F and the normal low 46°F, for a daily mean of 57.8°F. September is 8.9°F cooler than August and 14.2°F warmer than October. September is the 4th warmest month of the year in Park Rapids and the 5th wettest. Across the month the normal high falls 13°F, from 75°F on September 1 to 62°F on September 30. From one year to the next September's mean temperature typically moves about 3.0°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 55°F and 61°F.

Park Rapids in September, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 33%).

Normal high and low on five days of September, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
September 175°F52°F33%18%
September 873°F49°F33%17%
September 1570°F47°F33%17%
September 2266°F44°F33%17%
September 3062°F40°F33%16%
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 1, coldest night September 30)
Park Rapids: NOAA 1991-2020 daily normals for each day of September
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
September 175°F52°F33%18%13 h 20 min
September 275°F51°F33%18%13 h 20 min
September 374°F51°F33%18%13 h 20 min
September 474°F51°F33%18%13 h 10 min
September 574°F50°F33%18%13 h 10 min
September 673°F50°F33%17%13 h 10 min
September 773°F50°F33%17%13 h
September 873°F49°F33%17%13 h
September 972°F49°F33%17%13 h
September 1072°F49°F33%17%12 h 50 min
September 1171°F48°F33%17%12 h 50 min
September 1271°F48°F33%17%12 h 50 min
September 1371°F48°F33%17%12 h 50 min
September 1470°F47°F33%17%12 h 40 min
September 1570°F47°F33%17%12 h 40 min
September 1669°F46°F33%17%12 h 40 min
September 1769°F46°F33%17%12 h 30 min
September 1868°F46°F33%17%12 h 30 min
September 1968°F45°F33%17%12 h 30 min
September 2067°F45°F33%17%12 h 20 min
September 2167°F44°F33%17%12 h 20 min
September 2266°F44°F33%17%12 h 20 min
September 2366°F43°F33%17%12 h 10 min
September 2466°F43°F33%16%12 h 10 min
September 2565°F43°F33%16%12 h 10 min
September 2665°F42°F33%16%12 h
September 2764°F42°F33%16%12 h
September 2864°F41°F33%16%12 h
September 2963°F41°F33%16%11 h 50 min
September 3062°F40°F33%16%11 h 50 min
Normal high
69°FSeptember average
Normal low
46°FSeptember average
Precipitation
2.70 inmonth total
Days with precipitation
100.01 inch or more
Nights at 32°F or colder
2
Daylight
13 h 20 min to 11 h 50 minSeptember 1 to September 30
Days at 70°F or more
15
Days at 80°F or more
4
Sunshine
73%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00094967; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Park Rapids in September?

On a given September day the chance of 0.01 inch or more is 33% on average, highest around September 19 (33%). In all, 2.70 in falls on 10 days of a normal September, 1 of them with an inch or more.

In a normal September in Park Rapids, 2 nights fall to freezing.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094967.

How humid and windy is Park Rapids in September?

At 3 p.m. the normal temperature is 60°F with 50% relative humidity and a dew point of 41°F; at 6 a.m. it is 43°F with 87% humidity. The wind averages 9.1 mph, most often from the west-southwest in the afternoon. A dew point under 50°F feels dry.

A normal September day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.43°F39°F87%7.1 mph63%
9 a.m.50°F42°F73%10.2 mph–
noon57°F41°F54%12.3 mph–
3 p.m.60°F41°F50%12.7 mph–
6 p.m.55°F42°F61%8.9 mph–
9 p.m.49°F42°F75%7.7 mph–

Source: NOAA NCEI 1991-2020 hourly normals, station USW00094967. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for September in Park Rapids?

The warmest September temperature on this station's record (since 1893) is 99°F, on September 2, 1983; the coldest is 17°F, on September 22, 1974. The wettest September brought 7.43 in (2004); the snowiest, 3.5 inches (1942).

The September mean against the 1991-2020 normal of 57.8°F: 2021 61.4°F (+3.6), 2022 59.6°F (+1.9), 2023 64.2°F (+6.4), 2024 65.4°F (+7.6), 2025 60.9°F (+3.1), 2026 61.3°F (+3.5). 6 of 6 ran warmer than normal.

Park Rapids: September in recent years against the 1991-2020 normal
SeptemberMeanAgainst normalPrecip.
202161.4°F+3.6°F1.56 in
202259.6°F+1.9°F1.06 in
202364.2°F+6.4°F4.64 in
202465.4°F+7.6°F0.10 in
202560.9°F+3.1°F0.83 in
202661.3°F+3.5°F3.40 in

Source: records: ACIS, station USW00094967; recent months: ACIS, station USW00094967. Records and recent months use complete months only.

How does September in Park Rapids compare across Minnesota?

Across the 129 places PlainClimate covers in Minnesota, September normal highs run from 62°F in Lutsen to 76°F in Milan; Park Rapids's is 69°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places