Loveland weather in September: Loveland, Colorado: normal highs, lows, rain and records for September
Loveland in September has a normal high of 79°F and a normal low of 44°F, a daily mean of 62°F, falling from 84°F on the 1st to 73°F by the 30th. Measurable precipitation falls on 8 days in a normal September, 1.36 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 26°C and low of 7°C, 35 mm of precipitation in September.
- NOAA stationLoveland (2 mi N)
- Station IDUSC00055236
- Location40.44°N 105.08°W
- Elevation5,080 ft (1,548 m)
- Population81,102
- Jan 44° 13°
- Feb 46° 15°
- Mar 56° 23°
- Apr 62° 31°
- May 71° 40°
- Jun 83° 49°
- Jul 89° 55°
- Aug 87° 53°
- Sep 79° 44°
- Oct 65° 32°
- Nov 53° 21°
- Dec 44° 13°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Loveland in September?
The normal high is 79°F and the normal low 44°F, for a daily mean of 61.5°F. September is 8.3°F cooler than August and 12.8°F warmer than October. September is the 4th warmest month of the year in Loveland and the 5th wettest. Across the month the normal high falls 11°F, from 84°F on September 1 to 73°F on September 30. From one year to the next September's mean temperature typically moves about 2.6°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 59°F and 64°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 27%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 84°F | 49°F | 27% | 10% |
| September 8 | 82°F | 47°F | 27% | 10% |
| September 15 | 80°F | 45°F | 26% | 11% |
| September 22 | 76°F | 42°F | 24% | 11% |
| September 30 | 73°F | 39°F | 22% | 11% |
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 | 84°F | 49°F | 27% | 10% | 13 h 10 min |
| September 2 | 84°F | 49°F | 27% | 10% | 13 h 10 min |
| September 3 | 84°F | 49°F | 27% | 10% | 13 h |
| September 4 | 83°F | 48°F | 27% | 10% | 13 h |
| September 5 | 83°F | 48°F | 27% | 10% | 13 h |
| September 6 | 83°F | 48°F | 27% | 10% | 13 h |
| September 7 | 82°F | 47°F | 27% | 10% | 12 h 50 min |
| September 8 | 82°F | 47°F | 27% | 10% | 12 h 50 min |
| September 9 | 82°F | 47°F | 27% | 10% | 12 h 50 min |
| September 10 | 81°F | 46°F | 26% | 11% | 12 h 40 min |
| September 11 | 81°F | 46°F | 26% | 11% | 12 h 40 min |
| September 12 | 81°F | 46°F | 26% | 11% | 12 h 40 min |
| September 13 | 80°F | 45°F | 26% | 11% | 12 h 40 min |
| September 14 | 80°F | 45°F | 26% | 11% | 12 h 30 min |
| September 15 | 80°F | 45°F | 26% | 11% | 12 h 30 min |
| September 16 | 79°F | 44°F | 25% | 11% | 12 h 30 min |
| September 17 | 79°F | 44°F | 25% | 11% | 12 h 30 min |
| September 18 | 78°F | 44°F | 25% | 11% | 12 h 20 min |
| September 19 | 78°F | 43°F | 25% | 11% | 12 h 20 min |
| September 20 | 77°F | 43°F | 25% | 11% | 12 h 20 min |
| September 21 | 77°F | 42°F | 24% | 11% | 12 h 20 min |
| September 22 | 76°F | 42°F | 24% | 11% | 12 h 10 min |
| September 23 | 76°F | 42°F | 24% | 11% | 12 h 10 min |
| September 24 | 75°F | 41°F | 24% | 11% | 12 h 10 min |
| September 25 | 75°F | 41°F | 23% | 11% | 12 h 10 min |
| September 26 | 74°F | 40°F | 23% | 11% | 12 h |
| September 27 | 74°F | 40°F | 23% | 11% | 12 h |
| September 28 | 73°F | 40°F | 23% | 11% | 12 h |
| September 29 | 73°F | 39°F | 22% | 11% | 11 h 50 min |
| September 30 | 73°F | 39°F | 22% | 11% | 11 h 50 min |
- Normal high
- 79°FSeptember average
- Normal low
- 44°FSeptember average
- Precipitation
- 1.36 inmonth total
- Days with precipitation
- 80.01 inch or more
- Days at 90°F or more
- 4
- Nights at 32°F or colder
- 1
- Daylight
- 13 h 10 min to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 25
- Days at 80°F or more
- 16
- Sunshine
- 80%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00055236; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Loveland in September?
On a given September day the chance of 0.01 inch or more is 25% on average, highest around September 1 (27%). In all, 1.36 in falls on 8 days of a normal September.
In a normal September in Loveland, 4 days reach 90°F and 1 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00055236.
What are the records for September in Loveland?
The warmest September temperature on this station's record (since 1989) is 103°F, on September 3, 2019; the coldest is 25°F, on September 22, 1995. The wettest September brought 6.63 in (2013); the snowiest, 2.4 inches (2020).
The September mean against the 1991-2020 normal of 61.5°F: 2021 65.4°F (+3.9), 2022 65.5°F (+4.0), 2023 65.0°F (+3.5), 2024 66.7°F (+5.2), 2025 64.2°F (+2.7), 2026 68.5°F (+7.0). 6 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 65.4°F | +3.9°F | 0.56 in |
| 2022 | 65.5°F | +4.0°F | 1.28 in |
| 2023 | 65.0°F | +3.5°F | 1.16 in |
| 2024 | 66.7°F | +5.2°F | 0.77 in |
| 2025 | 64.2°F | +2.7°F | 1.62 in |
| 2026 | 68.5°F | +7.0°F | 0.56 in |
Source: records: ACIS, station USC00055236; recent months: ACIS, station USC00055236. Records and recent months use complete months only.
How does September in Loveland compare across Colorado?
Across the 125 places PlainClimate covers in Colorado, September normal highs run from 62°F in Leadville to 86°F in Lamar; Loveland's is 79°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.