Elmira weather in September: Elmira, New York: normal highs, lows, rain and records for September
Elmira in September has a normal high of 73°F and a normal low of 49°F, a daily mean of 61°F, falling from 78°F on the 1st to 68°F by the 30th. Measurable precipitation falls on 14 days in a normal September, 3.47 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 23°C and low of 10°C, 88 mm of precipitation in September.
- NOAA stationElmira Corning Regional Airport
- Station IDUSW00014748
- Location42.16°N 76.89°W
- Elevation955 ft (291 m)
- From the center6 miles
- Population26,255
- Jan 34° 16°
- Feb 36° 17°
- Mar 45° 24°
- Apr 58° 34°
- May 70° 44°
- Jun 78° 54°
- Jul 82° 58°
- Aug 81° 57°
- Sep 73° 49°
- Oct 61° 39°
- Nov 49° 30°
- Dec 39° 23°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Elmira in September?
The normal high is 73°F and the normal low 49°F, for a daily mean of 61.3°F. September is 7.6°F cooler than August and 11.2°F warmer than October. September is the 4th warmest month of the year in Elmira and the 3rd wettest. Across the month the normal high falls 10°F, from 78°F on September 1 to 68°F on September 30. From one year to the next September's mean temperature typically moves about 2.7°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 46%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 78°F | 54°F | 46% | 20% |
| September 8 | 76°F | 52°F | 46% | 20% |
| September 15 | 73°F | 50°F | 45% | 20% |
| September 22 | 71°F | 47°F | 45% | 20% |
| September 30 | 68°F | 45°F | 45% | 21% |
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 | 78°F | 54°F | 46% | 20% | 13 h 10 min |
| September 2 | 78°F | 54°F | 46% | 20% | 13 h 10 min |
| September 3 | 77°F | 53°F | 46% | 20% | 13 h 10 min |
| September 4 | 77°F | 53°F | 46% | 20% | 13 h |
| September 5 | 77°F | 53°F | 46% | 20% | 13 h |
| September 6 | 77°F | 53°F | 46% | 20% | 13 h |
| September 7 | 76°F | 52°F | 46% | 20% | 13 h |
| September 8 | 76°F | 52°F | 46% | 20% | 12 h 50 min |
| September 9 | 76°F | 52°F | 46% | 20% | 12 h 50 min |
| September 10 | 75°F | 51°F | 46% | 20% | 12 h 50 min |
| September 11 | 75°F | 51°F | 45% | 20% | 12 h 40 min |
| September 12 | 75°F | 51°F | 45% | 20% | 12 h 40 min |
| September 13 | 74°F | 50°F | 45% | 20% | 12 h 40 min |
| September 14 | 74°F | 50°F | 45% | 20% | 12 h 40 min |
| September 15 | 73°F | 50°F | 45% | 20% | 12 h 30 min |
| September 16 | 73°F | 49°F | 45% | 20% | 12 h 30 min |
| September 17 | 73°F | 49°F | 45% | 20% | 12 h 30 min |
| September 18 | 72°F | 49°F | 45% | 20% | 12 h 20 min |
| September 19 | 72°F | 48°F | 45% | 20% | 12 h 20 min |
| September 20 | 72°F | 48°F | 45% | 20% | 12 h 20 min |
| September 21 | 71°F | 48°F | 45% | 20% | 12 h 20 min |
| September 22 | 71°F | 47°F | 45% | 20% | 12 h 10 min |
| September 23 | 70°F | 47°F | 45% | 20% | 12 h 10 min |
| September 24 | 70°F | 47°F | 45% | 21% | 12 h 10 min |
| September 25 | 70°F | 46°F | 45% | 21% | 12 h 10 min |
| September 26 | 69°F | 46°F | 45% | 21% | 12 h |
| September 27 | 69°F | 46°F | 45% | 21% | 12 h |
| September 28 | 69°F | 45°F | 45% | 21% | 12 h |
| September 29 | 68°F | 45°F | 45% | 21% | 11 h 50 min |
| September 30 | 68°F | 45°F | 45% | 21% | 11 h 50 min |
- Normal high
- 73°FSeptember average
- Normal low
- 49°FSeptember average
- Precipitation
- 3.47 inmonth total
- Days with precipitation
- 140.01 inch or more
- Days at 90°F or more
- 1
- Daylight
- 13 h 10 min to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 22
- Days at 80°F or more
- 8
- Sunshine
- 73%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014748; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Elmira in September?
On a given September day the chance of 0.01 inch or more is 45% on average, highest around September 1 (46%). In all, 3.47 in falls on 14 days of a normal September, 1 of them with an inch or more.
In a normal September in Elmira, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014748.
How humid and windy is Elmira in September?
At 3 p.m. the normal temperature is 66°F with 53% relative humidity and a dew point of 48°F; at 6 a.m. it is 49°F with 91% humidity. The wind averages 5.1 mph, most often from the west-southwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 49°F | 46°F | 91% | 3.3 mph | – |
| 9 a.m. | 55°F | 49°F | 81% | 5.1 mph | – |
| noon | 64°F | 50°F | 59% | 8.4 mph | 49% |
| 3 p.m. | 66°F | 48°F | 53% | 8.9 mph | 46% |
| 6 p.m. | 60°F | 49°F | 68% | 5.5 mph | 57% |
| 9 p.m. | 53°F | 48°F | 83% | 3.5 mph | 61% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014748. 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 Elmira?
The warmest September temperature on this station's record (since 1938) is 102°F, on September 2, 1953; the coldest is 24°F, on September 28, 1947. The wettest September brought 9.01 in (2011).
The September mean against the 1991-2020 normal of 61.3°F: 2021 63.8°F (+2.5), 2022 61.5°F (+0.2), 2023 63.7°F (+2.4), 2024 65.0°F (+3.7), 2026 62.7°F (+1.4). 5 of 5 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 63.8°F | +2.5°F | 3.10 in |
| 2022 | 61.5°F | +0.2°F | 4.91 in |
| 2023 | 63.7°F | +2.4°F | 1.78 in |
| 2024 | 65.0°F | +3.7°F | 1.21 in |
| 2026 | 62.7°F | +1.4°F | 2.68 in |
Source: records: ACIS, station USW00014748; recent months: ACIS, station USW00014748. Records and recent months use complete months only.
How does September in Elmira compare across New York?
Across the 131 places PlainClimate covers in New York, September normal highs run from 64°F in Cooperstown to 78°F in Wantagh; Elmira's is 73°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.