Clermont weather in September: Clermont, Florida: normal highs, lows, rain and records for September
Clermont in September has a normal high of 91°F and a normal low of 73°F, a daily mean of 82°F, falling from 92°F on the 1st to 89°F by the 30th. Measurable precipitation falls on 12 days in a normal September, 5.39 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 33°C and low of 23°C, 137 mm of precipitation in September.
- NOAA stationClermont (9 mi S)
- Station IDUSC00081641
- Location28.46°N 81.72°W
- Elevation130 ft (40 m)
- Population50,851
- Jan 72° 49°
- Feb 75° 52°
- Mar 79° 56°
- Apr 85° 61°
- May 90° 67°
- Jun 92° 72°
- Jul 94° 74°
- Aug 93° 74°
- Sep 91° 73°
- Oct 86° 67°
- Nov 79° 58°
- Dec 75° 53°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Clermont in September?
The normal high is 91°F and the normal low 73°F, for a daily mean of 82.1°F. September is 1.7°F cooler than August and 5.6°F warmer than October. September is the 4th warmest month of the year in Clermont and the 4th wettest. Across the month the normal high falls 3°F, from 92°F on September 1 to 89°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 81°F and 83°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 48%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 92°F | 74°F | 48% | 33% |
| September 8 | 92°F | 74°F | 45% | 31% |
| September 15 | 91°F | 74°F | 42% | 28% |
| September 22 | 91°F | 73°F | 38% | 25% |
| September 30 | 89°F | 71°F | 34% | 22% |
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 | 92°F | 74°F | 48% | 33% | 12 h 50 min |
| September 2 | 92°F | 74°F | 47% | 33% | 12 h 40 min |
| September 3 | 92°F | 74°F | 47% | 32% | 12 h 40 min |
| September 4 | 92°F | 74°F | 47% | 32% | 12 h 40 min |
| September 5 | 92°F | 74°F | 46% | 32% | 12 h 40 min |
| September 6 | 92°F | 74°F | 46% | 31% | 12 h 40 min |
| September 7 | 92°F | 74°F | 45% | 31% | 12 h 40 min |
| September 8 | 92°F | 74°F | 45% | 31% | 12 h 30 min |
| September 9 | 92°F | 74°F | 44% | 30% | 12 h 30 min |
| September 10 | 92°F | 74°F | 44% | 30% | 12 h 30 min |
| September 11 | 92°F | 74°F | 44% | 30% | 12 h 30 min |
| September 12 | 92°F | 74°F | 43% | 29% | 12 h 30 min |
| September 13 | 92°F | 74°F | 43% | 29% | 12 h 30 min |
| September 14 | 91°F | 74°F | 42% | 29% | 12 h 20 min |
| September 15 | 91°F | 74°F | 42% | 28% | 12 h 20 min |
| September 16 | 91°F | 73°F | 41% | 28% | 12 h 20 min |
| September 17 | 91°F | 73°F | 41% | 27% | 12 h 20 min |
| September 18 | 91°F | 73°F | 40% | 27% | 12 h 20 min |
| September 19 | 91°F | 73°F | 40% | 27% | 12 h 20 min |
| September 20 | 91°F | 73°F | 39% | 26% | 12 h 10 min |
| September 21 | 91°F | 73°F | 39% | 26% | 12 h 10 min |
| September 22 | 91°F | 73°F | 38% | 25% | 12 h 10 min |
| September 23 | 90°F | 73°F | 38% | 25% | 12 h 10 min |
| September 24 | 90°F | 72°F | 37% | 25% | 12 h 10 min |
| September 25 | 90°F | 72°F | 37% | 24% | 12 h 10 min |
| September 26 | 90°F | 72°F | 36% | 24% | 12 h |
| September 27 | 90°F | 72°F | 36% | 24% | 12 h |
| September 28 | 90°F | 72°F | 35% | 23% | 12 h |
| September 29 | 90°F | 72°F | 35% | 23% | 12 h |
| September 30 | 89°F | 71°F | 34% | 22% | 12 h |
- Normal high
- 91°FSeptember average
- Normal low
- 73°FSeptember average
- Precipitation
- 5.39 inmonth total
- Days with precipitation
- 120.01 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 USC00081641; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Clermont in September?
On a given September day the chance of 0.01 inch or more is 41% on average, highest around September 1 (48%). In all, 5.39 in falls on 12 days of a normal September, 1 of them with an inch or more.
In a normal September in Clermont, 18 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00081641.
What are the records for September in Clermont?
The warmest September temperature on this station's record (since 1948) is 99°F, on September 10, 2019; the coldest is 56°F, on September 27, 1956. The wettest September brought 21.14 in (1979).
The September mean against the 1991-2020 normal of 82.1°F: 2021 82.6°F (+0.5), 2022 83.1°F (+1.0), 2023 83.3°F (+1.2), 2024 84.8°F (+2.7), 2025 83.2°F (+1.1), 2026 83.3°F (+1.2). 6 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 82.6°F | +0.5°F | 7.50 in |
| 2022 | 83.1°F | +1.0°F | 10.77 in |
| 2023 | 83.3°F | +1.2°F | 3.01 in |
| 2024 | 84.8°F | +2.7°F | 7.28 in |
| 2025 | 83.2°F | +1.1°F | 4.22 in |
| 2026 | 83.3°F | +1.2°F | 5.46 in |
Source: records: ACIS, station USC00081641; recent months: ACIS, station USC00081641. Records and recent months use complete months only.
How does September in Clermont 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; Clermont's is 91°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.