Sanford weather in September: Sanford, Florida: normal highs, lows, rain and records for September
Sanford in September has a normal high of 90°F and a normal low of 73°F, a daily mean of 81°F, falling from 91°F on the 1st to 88°F by the 30th. Measurable precipitation falls on 16 days in a normal September, 6.24 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 32°C and low of 23°C, 158 mm of precipitation in September.
- NOAA stationOrlando Sanford Airport
- Station IDUSW00012854
- Location28.78°N 81.24°W
- Elevation55 ft (17 m)
- Population66,919
- Jan 71° 50°
- Feb 74° 52°
- Mar 78° 56°
- Apr 83° 61°
- May 89° 67°
- Jun 91° 73°
- Jul 93° 74°
- Aug 93° 75°
- Sep 90° 73°
- Oct 85° 67°
- Nov 78° 58°
- Dec 73° 53°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Sanford in September?
The normal high is 90°F and the normal low 73°F, for a daily mean of 81.4°F. September is 2.2°F cooler than August and 5.9°F warmer than October. September is the 4th warmest month of the year in Sanford and the 4th wettest. Across the month the normal high falls 3°F, from 91°F on September 1 to 88°F on September 30. From one year to the next September's mean temperature typically moves about 1.0°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 80°F and 82°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 55%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 91°F | 74°F | 55% | 33% |
| September 8 | 91°F | 74°F | 54% | 32% |
| September 15 | 90°F | 73°F | 51% | 30% |
| September 22 | 89°F | 73°F | 48% | 27% |
| September 30 | 88°F | 71°F | 43% | 23% |
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 | 91°F | 74°F | 55% | 33% | 12 h 50 min |
| September 2 | 91°F | 74°F | 55% | 33% | 12 h 40 min |
| September 3 | 91°F | 74°F | 55% | 33% | 12 h 40 min |
| September 4 | 91°F | 74°F | 55% | 33% | 12 h 40 min |
| September 5 | 91°F | 74°F | 54% | 33% | 12 h 40 min |
| September 6 | 91°F | 74°F | 54% | 32% | 12 h 40 min |
| September 7 | 91°F | 74°F | 54% | 32% | 12 h 40 min |
| September 8 | 91°F | 74°F | 54% | 32% | 12 h 30 min |
| September 9 | 91°F | 74°F | 54% | 32% | 12 h 30 min |
| September 10 | 90°F | 74°F | 53% | 31% | 12 h 30 min |
| September 11 | 90°F | 74°F | 53% | 31% | 12 h 30 min |
| September 12 | 90°F | 74°F | 53% | 31% | 12 h 30 min |
| September 13 | 90°F | 74°F | 52% | 30% | 12 h 30 min |
| September 14 | 90°F | 74°F | 52% | 30% | 12 h 20 min |
| September 15 | 90°F | 73°F | 51% | 30% | 12 h 20 min |
| September 16 | 90°F | 73°F | 51% | 29% | 12 h 20 min |
| September 17 | 90°F | 73°F | 50% | 29% | 12 h 20 min |
| September 18 | 90°F | 73°F | 50% | 29% | 12 h 20 min |
| September 19 | 89°F | 73°F | 50% | 28% | 12 h 20 min |
| September 20 | 89°F | 73°F | 49% | 28% | 12 h 10 min |
| September 21 | 89°F | 73°F | 49% | 27% | 12 h 10 min |
| September 22 | 89°F | 73°F | 48% | 27% | 12 h 10 min |
| September 23 | 89°F | 72°F | 48% | 27% | 12 h 10 min |
| September 24 | 89°F | 72°F | 47% | 26% | 12 h 10 min |
| September 25 | 89°F | 72°F | 46% | 26% | 12 h 10 min |
| September 26 | 88°F | 72°F | 46% | 25% | 12 h |
| September 27 | 88°F | 72°F | 45% | 25% | 12 h |
| September 28 | 88°F | 71°F | 45% | 24% | 12 h |
| September 29 | 88°F | 71°F | 44% | 24% | 12 h |
| September 30 | 88°F | 71°F | 43% | 23% | 12 h |
- Normal high
- 90°FSeptember average
- Normal low
- 73°FSeptember average
- Precipitation
- 6.24 inmonth total
- Days with precipitation
- 160.01 inch or more
- Days at 90°F or more
- 18
- Daylight
- 12 h 50 min to 12 hSeptember 1 to September 30
- Days at 70°F or more
- 30
- Days at 80°F or more
- 30
- Sunshine
- 77%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00012854; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Sanford in September?
On a given September day the chance of 0.01 inch or more is 50% on average, highest around September 1 (55%). In all, 6.24 in falls on 16 days of a normal September, 2 of them with an inch or more.
In a normal September in Sanford, 18 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00012854.
How humid and windy is Sanford in September?
At 3 p.m. the normal temperature is 84°F with 59% relative humidity and a dew point of 69°F; at 6 a.m. it is 72°F with 89% humidity. The wind averages 6.8 mph, most often from the east-northeast in the afternoon. A dew point of 65°F or more feels muggy to most people.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 72°F | 69°F | 89% | 4.3 mph | – |
| 9 a.m. | 79°F | 71°F | 75% | 7.4 mph | – |
| noon | 85°F | 69°F | 60% | 9.3 mph | – |
| 3 p.m. | 84°F | 69°F | 59% | 10.5 mph | – |
| 6 p.m. | 79°F | 69°F | 72% | 8.5 mph | – |
| 9 p.m. | 75°F | 70°F | 82% | 5.8 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00012854. 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 Sanford?
The warmest September temperature on Sanford's official record (since 1948) is 97°F, on September 1, 1962; the coldest is 52°F, on September 20, 1981. The wettest September brought 21.21 in (2022).
The September mean against the 1991-2020 normal of 81.4°F: 2021 81.1°F (−0.3), 2022 81.0°F (−0.4), 2023 81.0°F (−0.4), 2024 82.5°F (+1.1), 2025 81.3°F (−0.1), 2026 81.5°F (+0.1). 2 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 81.1°F | −0.3°F | 10.41 in |
| 2022 | 81.0°F | −0.4°F | 21.21 in |
| 2023 | 81.0°F | −0.4°F | 8.64 in |
| 2024 | 82.5°F | +1.1°F | 8.99 in |
| 2025 | 81.3°F | −0.1°F | 4.68 in |
| 2026 | 81.5°F | +0.1°F | 3.99 in |
Source: records: ACIS, NWS threaded record SFBthr; recent months: ACIS, station USW00012854. Records and recent months use complete months only.
How does September in Sanford compare across Florida?
Across the 106 places PlainClimate covers in Florida, September normal highs run from 86°F in Jacksonville Beach to 92°F in Plant City; Sanford's is 90°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.