Patuxent River Naval Air Station weather in September: Patuxent River Naval Air Station, Maryland: normal highs, lows, rain and records for September
Patuxent River Naval Air Station in September has a normal high of 79°F and a normal low of 63°F, a daily mean of 71°F, falling from 83°F on the 1st to 75°F by the 30th. Measurable precipitation falls on 9 days in a normal September, 4.15 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 26°C and low of 17°C, 105 mm of precipitation in September.
- NOAA stationPatuxent River Naval Air Station
- Station IDUSW00013721
- Location38.30°N 76.42°W
- Elevation39 ft (12 m)
- Jan 45° 30°
- Feb 48° 31°
- Mar 55° 37°
- Apr 66° 47°
- May 75° 57°
- Jun 83° 66°
- Jul 87° 71°
- Aug 85° 69°
- Sep 79° 63°
- Oct 69° 52°
- Nov 58° 41°
- Dec 50° 34°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Patuxent River Naval Air Station in September?
The normal high is 79°F and the normal low 63°F, for a daily mean of 71.2°F. September is 6.1°F cooler than August and 10.9°F warmer than October. September is the 4th warmest month of the year in Patuxent River Naval Air Station and the 4th wettest. Across the month the normal high falls 8°F, from 83°F on September 1 to 75°F on September 30. From one year to the next September's mean temperature typically moves about 2.3°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 69°F and 74°F.
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 30%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 83°F | 67°F | 27% | 16% |
| September 8 | 82°F | 66°F | 27% | 15% |
| September 15 | 80°F | 64°F | 27% | 15% |
| September 22 | 77°F | 61°F | 29% | 16% |
| September 30 | 75°F | 58°F | 30% | 16% |
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 1, coldest night September 30)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| September 1 | 83°F | 67°F | 27% | 16% | 13 h |
| September 2 | 83°F | 67°F | 27% | 15% | 13 h |
| September 3 | 83°F | 67°F | 27% | 15% | 13 h |
| September 4 | 83°F | 67°F | 27% | 15% | 13 h |
| September 5 | 82°F | 67°F | 27% | 15% | 12 h 50 min |
| September 6 | 82°F | 66°F | 27% | 15% | 12 h 50 min |
| September 7 | 82°F | 66°F | 27% | 15% | 12 h 50 min |
| September 8 | 82°F | 66°F | 27% | 15% | 12 h 50 min |
| September 9 | 81°F | 66°F | 27% | 15% | 12 h 40 min |
| September 10 | 81°F | 65°F | 27% | 15% | 12 h 40 min |
| September 11 | 81°F | 65°F | 27% | 15% | 12 h 40 min |
| September 12 | 81°F | 65°F | 27% | 15% | 12 h 40 min |
| September 13 | 80°F | 64°F | 27% | 15% | 12 h 30 min |
| September 14 | 80°F | 64°F | 27% | 15% | 12 h 30 min |
| September 15 | 80°F | 64°F | 27% | 15% | 12 h 30 min |
| September 16 | 79°F | 63°F | 28% | 15% | 12 h 30 min |
| September 17 | 79°F | 63°F | 28% | 15% | 12 h 20 min |
| September 18 | 79°F | 63°F | 28% | 15% | 12 h 20 min |
| September 19 | 78°F | 62°F | 28% | 15% | 12 h 20 min |
| September 20 | 78°F | 62°F | 29% | 16% | 12 h 20 min |
| September 21 | 78°F | 62°F | 29% | 16% | 12 h 10 min |
| September 22 | 77°F | 61°F | 29% | 16% | 12 h 10 min |
| September 23 | 77°F | 61°F | 29% | 16% | 12 h 10 min |
| September 24 | 77°F | 60°F | 29% | 16% | 12 h 10 min |
| September 25 | 76°F | 60°F | 30% | 16% | 12 h 10 min |
| September 26 | 76°F | 60°F | 30% | 16% | 12 h |
| September 27 | 76°F | 59°F | 30% | 16% | 12 h |
| September 28 | 75°F | 59°F | 30% | 16% | 12 h |
| September 29 | 75°F | 58°F | 30% | 16% | 12 h |
| September 30 | 75°F | 58°F | 30% | 16% | 11 h 50 min |
- Normal high
- 79°FSeptember average
- Normal low
- 63°FSeptember average
- Precipitation
- 4.15 inmonth total
- Days with precipitation
- 90.01 inch or more
- Days at 90°F or more
- 2
- Daylight
- 13 h to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 28
- Days at 80°F or more
- 15
- Sunshine
- 79%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013721; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Patuxent River Naval Air Station in September?
On a given September day the chance of 0.01 inch or more is 28% on average, highest around September 26 (30%). In all, 4.15 in falls on 9 days of a normal September, 1 of them with an inch or more.
In a normal September in Patuxent River Naval Air Station, 2 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013721.
How humid and windy is Patuxent River Naval Air Station in September?
At 3 p.m. the normal temperature is 73°F with 57% relative humidity and a dew point of 57°F; at 6 a.m. it is 61°F with 83% humidity. The wind averages 7.7 mph, most often from the northeast in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 61°F | 56°F | 83% | 7.0 mph | 40% |
| 9 a.m. | 68°F | 57°F | 70% | 9.3 mph | 40% |
| noon | 72°F | 57°F | 59% | 9.3 mph | 35% |
| 3 p.m. | 73°F | 57°F | 57% | 9.3 mph | 32% |
| 6 p.m. | 68°F | 57°F | 68% | 6.6 mph | 40% |
| 9 p.m. | 64°F | 57°F | 77% | 6.9 mph | 50% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00013721. 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 Patuxent River Naval Air Station?
The warmest September temperature on this station's record (since 1945) is 99°F, on September 11, 1983; the coldest is 44°F, on September 26, 2001. The wettest September brought 14.47 in (2010).
The September mean against the 1991-2020 normal of 71.2°F: 2021 73.5°F (+2.3), 2022 73.2°F (+2.0), 2023 74.0°F (+2.8), 2024 74.2°F (+3.0), 2025 71.0°F (−0.2). 4 of 5 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 73.5°F | +2.3°F | 3.55 in |
| 2022 | 73.2°F | +2.0°F | 2.95 in |
| 2023 | 74.0°F | +2.8°F | 4.57 in |
| 2024 | 74.2°F | +3.0°F | 3.07 in |
| 2025 | 71.0°F | −0.2°F | – |
Source: records: ACIS, station USW00013721; recent months: ACIS, station USW00013721. Records and recent months use complete months only.
How does September in Patuxent River Naval Air Station compare across Maryland?
Across the 26 places PlainClimate covers in Maryland, September normal highs run from 72°F in Frostburg to 82°F in Snow Hill; Patuxent River Naval Air Station's is 79°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Patuxent River Naval Air Station in August85°F by day, 69°F at night
- Patuxent River Naval Air Station in October69°F by day, 52°F at night
- Patuxent River Naval Air Station through the yearEvery month, frost dates, records and recent years
- Maryland in SeptemberThe statewide normal and the warmest and coolest places
- Snow Hill: Maryland's warmest Septembernormal high 82°F