Florence climate

Florence Weather in September

NASA POWER reanalysis for the half-degree grid cell around Florence, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 27°C on September 1 to 20°C on September 30, and lows from 14°C to 10°C. Normal precipitation for the month is 72 mm over about 9 wet days.

September day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Florence, in °C, with the record for each date.010203040151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

September at a glance

Average high
23°C
Average low
12°C
Precipitation
72 mm
Reanalysis high
34°CSep 10, 2008
Reanalysis low
4°CSep 30, 1995
Daylight
13 h 13 min to 11 h 47 min
Cloud cover
48%
Humidity
71%
Dew point
11°C
Wind
10.1 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Sep 127°C14°C32°C 19976°C 199531%
Sep 226°C14°C32°C 19979°C 199531%
Sep 326°C14°C32°C 200410°C 199331%
Sep 426°C14°C31°C 20138°C 199332%
Sep 526°C13°C33°C 20067°C 199231%
Sep 625°C13°C34°C 20067°C 200732%
Sep 725°C13°C31°C 19978°C 199634%
Sep 825°C13°C31°C 20118°C 199634%
Sep 925°C13°C32°C 20117°C 199634%
Sep 1025°C13°C34°C 20088°C 199635%
Sep 1124°C13°C33°C 20089°C 200135%
Sep 1224°C13°C32°C 20188°C 200135%
Sep 1324°C13°C31°C 20117°C 199635%
Sep 1424°C12°C32°C 20115°C 199635%
Sep 1524°C12°C32°C 20117°C 199834%
Sep 1623°C12°C30°C 20117°C 199834%
Sep 1723°C12°C30°C 20156°C 199735%
Sep 1823°C12°C30°C 19916°C 200135%
Sep 1923°C12°C29°C 19916°C 199436%
Sep 2022°C12°C29°C 20034°C 199436%
Sep 2122°C11°C29°C 19936°C 201235%
Sep 2222°C11°C28°C 19936°C 200834%
Sep 2322°C11°C29°C 20186°C 200833%
Sep 2422°C11°C27°C 19996°C 199533%
Sep 2521°C11°C26°C 19916°C 200833%
Sep 2621°C11°C25°C 20005°C 201833%
Sep 2721°C11°C26°C 20135°C 201833%
Sep 2821°C11°C26°C 20184°C 200834%
Sep 2921°C10°C26°C 20094°C 200836%
Sep 3020°C10°C25°C 19974°C 199538%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Florence, in percent.0102030401102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+2).

September 1
sunrise 6:38 AM, sunset 7:51 PM
September 30
sunrise 7:11 AM, sunset 6:58 PM

Every day of September: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: 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.