Petersburg weather in September: Petersburg, Virginia: normal highs, lows, rain and records for September
Petersburg in September has a normal high of 82°F and a normal low of 61°F, a daily mean of 71°F, falling from 86°F on the 1st to 77°F by the 30th. Measurable precipitation falls on 8 days in a normal September, 4.63 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 28°C and low of 16°C, 118 mm of precipitation in September.
- NOAA stationPetersburg
- Station IDUSC00446656
- Location37.24°N 77.39°W
- Elevation19 ft (6 m)
- Population34,058
- Jan 49° 28°
- Feb 52° 29°
- Mar 60° 36°
- Apr 70° 46°
- May 78° 55°
- Jun 86° 64°
- Jul 89° 69°
- Aug 87° 67°
- Sep 82° 61°
- Oct 72° 48°
- Nov 62° 37°
- Dec 53° 31°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Petersburg in September?
The normal high is 82°F and the normal low 61°F, for a daily mean of 71.1°F. September is 6.3°F cooler than August and 11.3°F warmer than October. September is the 4th warmest month of the year in Petersburg and the 3rd wettest. Across the month the normal high falls 9°F, from 86°F on September 1 to 77°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 73°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 29%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 86°F | 65°F | 27% | 18% |
| September 8 | 84°F | 64°F | 27% | 17% |
| September 15 | 82°F | 61°F | 27% | 17% |
| September 22 | 80°F | 59°F | 28% | 18% |
| September 30 | 77°F | 55°F | 29% | 18% |
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 | 86°F | 65°F | 27% | 18% | 13 h |
| September 2 | 85°F | 65°F | 27% | 18% | 13 h |
| September 3 | 85°F | 65°F | 27% | 18% | 13 h |
| September 4 | 85°F | 65°F | 27% | 18% | 12 h 50 min |
| September 5 | 85°F | 64°F | 27% | 18% | 12 h 50 min |
| September 6 | 84°F | 64°F | 27% | 17% | 12 h 50 min |
| September 7 | 84°F | 64°F | 27% | 17% | 12 h 50 min |
| September 8 | 84°F | 64°F | 27% | 17% | 12 h 50 min |
| September 9 | 84°F | 63°F | 27% | 17% | 12 h 40 min |
| September 10 | 83°F | 63°F | 27% | 17% | 12 h 40 min |
| September 11 | 83°F | 63°F | 27% | 17% | 12 h 40 min |
| September 12 | 83°F | 62°F | 27% | 17% | 12 h 40 min |
| September 13 | 83°F | 62°F | 27% | 17% | 12 h 30 min |
| September 14 | 82°F | 62°F | 27% | 17% | 12 h 30 min |
| September 15 | 82°F | 61°F | 27% | 17% | 12 h 30 min |
| September 16 | 82°F | 61°F | 27% | 17% | 12 h 30 min |
| September 17 | 81°F | 61°F | 28% | 17% | 12 h 20 min |
| September 18 | 81°F | 60°F | 28% | 17% | 12 h 20 min |
| September 19 | 81°F | 60°F | 28% | 17% | 12 h 20 min |
| September 20 | 80°F | 60°F | 28% | 17% | 12 h 20 min |
| September 21 | 80°F | 59°F | 28% | 17% | 12 h 10 min |
| September 22 | 80°F | 59°F | 28% | 18% | 12 h 10 min |
| September 23 | 79°F | 58°F | 29% | 18% | 12 h 10 min |
| September 24 | 79°F | 58°F | 29% | 18% | 12 h 10 min |
| September 25 | 79°F | 57°F | 29% | 18% | 12 h 10 min |
| September 26 | 78°F | 57°F | 29% | 18% | 12 h |
| September 27 | 78°F | 57°F | 29% | 18% | 12 h |
| September 28 | 78°F | 56°F | 29% | 18% | 12 h |
| September 29 | 77°F | 56°F | 29% | 18% | 12 h |
| September 30 | 77°F | 55°F | 29% | 18% | 11 h 50 min |
- Normal high
- 82°FSeptember average
- Normal low
- 61°FSeptember average
- Precipitation
- 4.63 inmonth total
- Days with precipitation
- 80.01 inch or more
- Days at 90°F or more
- 4
- Daylight
- 13 h to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 29
- Days at 80°F or more
- 20
- Sunshine
- 76%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00446656; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Petersburg in September?
On a given September day the chance of 0.01 inch or more is 28% on average, highest around September 28 (29%). In all, 4.63 in falls on 8 days of a normal September, 1 of them with an inch or more.
In a normal September in Petersburg, 4 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00446656.
What are the records for September in Petersburg?
The September mean against the 1991-2020 normal of 71.1°F: 2021 72.0°F (+0.9), 2022 71.8°F (+0.7), 2023 72.0°F (+0.9), 2024 72.0°F (+0.9), 2025 71.3°F (+0.2), 2026 75.5°F (+4.4). 6 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 72.0°F | +0.9°F | 3.45 in |
| 2022 | 71.8°F | +0.7°F | 3.89 in |
| 2023 | 72.0°F | +0.9°F | 5.94 in |
| 2024 | 72.0°F | +0.9°F | 4.88 in |
| 2025 | 71.3°F | +0.2°F | 7.65 in |
| 2026 | 75.5°F | +4.4°F | 2.65 in |
Source: recent months: ACIS, station USC00446656. Records and recent months use complete months only.
How does September in Petersburg compare across Virginia?
Across the 81 places PlainClimate covers in Virginia, September normal highs run from 73°F in Floyd to 85°F in Chesapeake; Petersburg's is 82°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Petersburg in August87°F by day, 67°F at night
- Petersburg in October72°F by day, 48°F at night
- Petersburg through the yearEvery month, frost dates, records and recent years
- Virginia in SeptemberThe statewide normal and the warmest and coolest places
- Chesapeake: Virginia's warmest Septembernormal high 85°F