Danville weather in September: Danville, Virginia: normal highs, lows, rain and records for September
Danville in September has a normal high of 81°F and a normal low of 59°F, a daily mean of 70°F, falling from 85°F on the 1st to 76°F by the 30th. Measurable precipitation falls on 9 days in a normal September, 4.25 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 27°C and low of 15°C, 108 mm of precipitation in September.
- NOAA stationDanville Regional Airport
- Station IDUSW00013728
- Location36.57°N 79.34°W
- Elevation571 ft (174 m)
- Population41,993
- Jan 49° 28°
- Feb 53° 30°
- Mar 61° 37°
- Apr 71° 45°
- May 78° 54°
- Jun 85° 63°
- Jul 89° 67°
- Aug 87° 66°
- Sep 81° 59°
- Oct 71° 46°
- Nov 61° 36°
- Dec 52° 30°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Danville in September?
The normal high is 81°F and the normal low 59°F, for a daily mean of 70.0°F. September is 6.5°F cooler than August and 11.2°F warmer than October. September is the 4th warmest month of the year in Danville and the 2nd wettest. Across the month the normal high falls 9°F, from 85°F on September 1 to 76°F on September 30. From one year to the next September's mean temperature typically moves about 2.5°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 68°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 32%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 85°F | 63°F | 32% | 18% |
| September 8 | 83°F | 62°F | 30% | 17% |
| September 15 | 81°F | 60°F | 30% | 16% |
| September 22 | 79°F | 57°F | 30% | 17% |
| September 30 | 76°F | 54°F | 30% | 17% |
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 | 85°F | 63°F | 32% | 18% | 13 h |
| September 2 | 85°F | 63°F | 32% | 18% | 13 h |
| September 3 | 85°F | 63°F | 32% | 18% | 13 h |
| September 4 | 84°F | 63°F | 31% | 17% | 12 h 50 min |
| September 5 | 84°F | 62°F | 31% | 17% | 12 h 50 min |
| September 6 | 84°F | 62°F | 31% | 17% | 12 h 50 min |
| September 7 | 84°F | 62°F | 31% | 17% | 12 h 50 min |
| September 8 | 83°F | 62°F | 30% | 17% | 12 h 40 min |
| September 9 | 83°F | 61°F | 30% | 16% | 12 h 40 min |
| September 10 | 83°F | 61°F | 30% | 16% | 12 h 40 min |
| September 11 | 82°F | 61°F | 30% | 16% | 12 h 40 min |
| September 12 | 82°F | 61°F | 30% | 16% | 12 h 40 min |
| September 13 | 82°F | 60°F | 30% | 16% | 12 h 30 min |
| September 14 | 82°F | 60°F | 30% | 16% | 12 h 30 min |
| September 15 | 81°F | 60°F | 30% | 16% | 12 h 30 min |
| September 16 | 81°F | 59°F | 30% | 16% | 12 h 30 min |
| September 17 | 81°F | 59°F | 30% | 16% | 12 h 20 min |
| September 18 | 80°F | 58°F | 30% | 16% | 12 h 20 min |
| September 19 | 80°F | 58°F | 30% | 16% | 12 h 20 min |
| September 20 | 80°F | 58°F | 30% | 17% | 12 h 20 min |
| September 21 | 79°F | 57°F | 30% | 17% | 12 h 10 min |
| September 22 | 79°F | 57°F | 30% | 17% | 12 h 10 min |
| September 23 | 79°F | 57°F | 30% | 17% | 12 h 10 min |
| September 24 | 78°F | 56°F | 30% | 17% | 12 h 10 min |
| September 25 | 78°F | 56°F | 30% | 17% | 12 h 10 min |
| September 26 | 78°F | 55°F | 30% | 17% | 12 h |
| September 27 | 77°F | 55°F | 30% | 17% | 12 h |
| September 28 | 77°F | 54°F | 30% | 17% | 12 h |
| September 29 | 77°F | 54°F | 30% | 17% | 12 h |
| September 30 | 76°F | 54°F | 30% | 17% | 11 h 50 min |
- Normal high
- 81°FSeptember average
- Normal low
- 59°FSeptember average
- Precipitation
- 4.25 inmonth total
- Days with precipitation
- 90.01 inch or more
- Days at 90°F or more
- 5
- 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
- 19
- Sunshine
- 75%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013728; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Danville in September?
On a given September day the chance of 0.01 inch or more is 30% on average, highest around September 1 (32%). In all, 4.25 in falls on 9 days of a normal September, 1 of them with an inch or more.
In a normal September in Danville, 5 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013728.
What are the records for September in Danville?
The warmest September temperature on Danville's official record (since 1916) is 105°F, on September 1, 1932; the coldest is 35°F, on September 30, 1942. The wettest September brought 14.64 in (1996).
The September mean against the 1991-2020 normal of 70.0°F: 2021 71.2°F (+1.2), 2022 69.1°F (−0.9), 2023 70.2°F (+0.2), 2024 70.5°F (+0.5), 2025 70.0°F (at normal), 2026 74.8°F (+4.8). 4 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 71.2°F | +1.2°F | 2.14 in |
| 2022 | 69.1°F | −0.9°F | 1.92 in |
| 2023 | 70.2°F | +0.2°F | 3.75 in |
| 2024 | 70.5°F | +0.5°F | 5.16 in |
| 2025 | 70.0°F | at normal | 3.09 in |
| 2026 | 74.8°F | +4.8°F | 3.40 in |
Source: records: ACIS, NWS threaded record DANthr; recent months: ACIS, station USW00013728. Records and recent months use complete months only.
How does September in Danville 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; Danville's is 81°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.