Fomboni climate

Fomboni Weather in September

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

Average highs run from 25°C on September 1 to 26°C on September 30, and lows from 25°C to 25°C. Normal precipitation for the month is 15 mm over about 3 wet days.

September day by day

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

Normal daily high and low temperature at Fomboni, in °C, with the record for each date.222324252627151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

September at a glance

Average high
26°C
Average low
25°C
Precipitation
15 mm
Reanalysis high
27°CSep 30, 2019
Reanalysis low
23°CSep 4, 1993
Daylight
11 h 52 min to 12 h 12 min
Cloud cover
29%
Humidity
75%
Dew point
21°C
Wind
13.0 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 125°C25°C26°C 201924°C 199312%
Sep 225°C25°C26°C 201023°C 199312%
Sep 325°C25°C26°C 201923°C 199312%
Sep 425°C25°C26°C 201523°C 199312%
Sep 525°C25°C26°C 200523°C 199312%
Sep 625°C25°C26°C 199523°C 199312%
Sep 725°C25°C26°C 200224°C 201012%
Sep 825°C25°C27°C 201824°C 199313%
Sep 925°C25°C26°C 201824°C 199314%
Sep 1025°C25°C26°C 200224°C 199314%
Sep 1125°C25°C27°C 200224°C 199313%
Sep 1225°C25°C26°C 200224°C 199313%
Sep 1325°C25°C26°C 201824°C 199312%
Sep 1425°C25°C26°C 201823°C 200712%
Sep 1525°C25°C26°C 201224°C 199613%
Sep 1626°C25°C26°C 201224°C 199313%
Sep 1726°C25°C26°C 201924°C 199313%
Sep 1826°C25°C26°C 201924°C 199313%
Sep 1926°C25°C27°C 201824°C 199314%
Sep 2026°C25°C26°C 201524°C 199314%
Sep 2126°C25°C27°C 200524°C 199614%
Sep 2226°C25°C26°C 201124°C 199613%
Sep 2326°C25°C26°C 199824°C 199613%
Sep 2426°C25°C26°C 201924°C 199612%
Sep 2526°C25°C26°C 200824°C 199212%
Sep 2626°C25°C27°C 201824°C 199314%
Sep 2726°C25°C27°C 201824°C 199314%
Sep 2826°C25°C27°C 201324°C 201015%
Sep 2926°C25°C27°C 201924°C 200016%
Sep 3026°C25°C27°C 201924°C 199615%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Fomboni, in percent.051015201102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+3).

September 1
sunrise 6:09 AM, sunset 6:01 PM
September 30
sunrise 5:49 AM, sunset 6:01 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.