Calcutta climate

Calcutta Weather in September

NOAA 1991-2020 normals for Montgomery L&d, 16.3 km from Calcutta

Average highs run from 79°F on September 1 to 70°F on September 30, and lows from 58°F to 50°F. Normal precipitation for the month is 4.14 in over about 9 wet days.

September day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Calcutta, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
75°F
Average low
54°F
Precipitation
4.14 in
Record high
95°FSep 5, 2018
Record low
36°FSep 20, 2020
Chance of a freeze
2%
Days of 90°F or more
0.6
Daylight
13 h 05 min to 11 h 48 min
Cloud cover
54%
Humidity
69%
Dew point
53°F
Wind
3.8 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Sep 179°F58°F94°F 201248°F 202530%0%
Sep 279°F58°F93°F 202647°F 202430%0%
Sep 379°F58°F94°F 201146°F 202430%0%
Sep 478°F58°F88°F 202346°F 202430%0%
Sep 578°F57°F95°F 201849°F 201730%0%
Sep 678°F57°F92°F 201850°F 201330%0%
Sep 778°F57°F91°F 201545°F 202430%0%
Sep 877°F57°F90°F 201542°F 202530%0%
Sep 977°F56°F89°F 201642°F 202530%0%
Sep 1077°F56°F88°F 201943°F 202530%0%
Sep 1177°F56°F93°F 201342°F 201730%0%
Sep 1276°F55°F89°F 201342°F 201730%0%
Sep 1376°F55°F86°F 201947°F 201231%0%
Sep 1476°F55°F85°F 201843°F 201431%0%
Sep 1575°F55°F91°F 201544°F 202031%0%
Sep 1675°F54°F86°F 202541°F 201131%0%
Sep 1775°F54°F84°F 202544°F 201331%0%
Sep 1874°F54°F86°F 202142°F 201331%0%
Sep 1974°F53°F86°F 202140°F 202031%0%
Sep 2074°F53°F84°F 201736°F 202031%0%
Sep 2173°F53°F88°F 201837°F 202031%0%
Sep 2273°F52°F88°F 201938°F 202031%0%
Sep 2372°F52°F87°F 201638°F 202031%0%
Sep 2472°F52°F89°F 201739°F 201331%0%
Sep 2572°F51°F90°F 201739°F 201332%0%
Sep 2671°F51°F89°F 201743°F 201332%0%
Sep 2771°F51°F91°F 201744°F 202232%0%
Sep 2870°F50°F91°F 201744°F 202232%0%
Sep 2970°F50°F91°F 201741°F 202232%0%
Sep 3070°F50°F83°F 202544°F 201232%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Calcutta, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

September 1
sunrise 6:49 AM, sunset 7:54 PM
September 30
sunrise 7:18 AM, sunset 7:06 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00365902 (Montgomery L&d), public domain. Records: NOAA GHCN-Daily, station USC00360475, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.