Hammond weather in September: Hammond, Louisiana: normal highs, lows, rain and records for September

Hammond in September has a normal high of 88°F and a normal low of 67°F, a daily mean of 78°F, falling from 90°F on the 1st to 85°F by the 30th. Measurable precipitation falls on 9 days in a normal September, 4.38 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 31°C and low of 19°C, 111 mm of precipitation in September.

  • NOAA stationHammond (5 mi E)
  • Station IDUSC00164030
  • Location30.50°N 90.38°W
  • Elevation35 ft (11 m)
  • From the center5 miles
  • Population23,426
  1. Jan 62° 38°
  2. Feb 65° 42°
  3. Mar 72° 49°
  4. Apr 78° 55°
  5. May 85° 63°
  6. Jun 90° 69°
  7. Jul 92° 72°
  8. Aug 92° 71°
  9. Sep 88° 67°
  10. Oct 81° 56°
  11. Nov 70° 46°
  12. Dec 64° 41°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Hammond in September?

The normal high is 88°F and the normal low 67°F, for a daily mean of 77.5°F. September is 3.9°F cooler than August and 9.4°F warmer than October. September is the 4th warmest month of the year in Hammond and the 10th wettest. Across the month the normal high falls 5°F, from 90°F on September 1 to 85°F on September 30. From one year to the next September's mean temperature typically moves about 1.6°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 76°F and 79°F.

Hammond in September, day by day: normal high and low

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 35%).

Normal high and low on five days of September, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
September 190°F70°F35%24%
September 889°F69°F33%23%
September 1588°F68°F30%21%
September 2287°F66°F28%20%
September 3085°F63°F25%17%
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 1, coldest night September 30)
Hammond: NOAA 1991-2020 daily normals for each day of September
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
September 190°F70°F35%24%12 h 50 min
September 290°F70°F35%24%12 h 50 min
September 390°F70°F35%24%12 h 50 min
September 490°F70°F34%24%12 h 40 min
September 590°F70°F34%24%12 h 40 min
September 690°F70°F34%23%12 h 40 min
September 790°F69°F33%23%12 h 40 min
September 889°F69°F33%23%12 h 40 min
September 989°F69°F32%23%12 h 30 min
September 1089°F69°F32%22%12 h 30 min
September 1189°F69°F32%22%12 h 30 min
September 1289°F68°F31%22%12 h 30 min
September 1389°F68°F31%22%12 h 30 min
September 1488°F68°F31%21%12 h 30 min
September 1588°F68°F30%21%12 h 20 min
September 1688°F67°F30%21%12 h 20 min
September 1788°F67°F30%21%12 h 20 min
September 1888°F67°F29%20%12 h 20 min
September 1988°F67°F29%20%12 h 20 min
September 2087°F66°F29%20%12 h 10 min
September 2187°F66°F28%20%12 h 10 min
September 2287°F66°F28%20%12 h 10 min
September 2387°F65°F28%19%12 h 10 min
September 2487°F65°F27%19%12 h 10 min
September 2586°F64°F27%19%12 h 10 min
September 2686°F64°F26%18%12 h
September 2786°F64°F26%18%12 h
September 2886°F63°F25%18%12 h
September 2985°F63°F25%17%12 h
September 3085°F63°F25%17%12 h
Normal high
88°FSeptember average
Normal low
67°FSeptember average
Precipitation
4.38 inmonth total
Days with precipitation
90.01 inch or more
Days at 90°F or more
14
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
28
Sunshine
82%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00164030; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Hammond in September?

On a given September day the chance of 0.01 inch or more is 30% on average, highest around September 1 (35%). In all, 4.38 in falls on 9 days of a normal September, 1 of them with an inch or more.

In a normal September in Hammond, 14 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00164030.

What are the records for September in Hammond?

The warmest September temperature on this station's record (since 1981) is 102°F, on September 3, 2000; the coldest is 42°F, on September 23, 1983. The wettest September brought 19.45 in (1998).

Source: records: ACIS, station USC00164030. Records and recent months use complete months only.

How does September in Hammond compare across Louisiana?

Across the 65 places PlainClimate covers in Louisiana, September normal highs run from 85°F in Boyce to 90°F in Natchitoches; Hammond's is 88°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places