Boma climate

Boma Weather in September

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

Average highs run from 32°C on September 1 to 33°C on September 30, and lows from 20°C to 22°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 Boma, in °C, with the record for each date.152025303540151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

September at a glance

Average high
33°C
Average low
21°C
Precipitation
15 mm
Reanalysis high
38°CSep 25, 2009
Reanalysis low
17°CSep 1, 2001
Daylight
12 h 00 min to 12 h 09 min
Cloud cover
70%
Humidity
69%
Dew point
19°C
Wind
10.8 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 132°C20°C35°C 202017°C 20015%
Sep 232°C20°C34°C 202017°C 20015%
Sep 332°C20°C35°C 200418°C 19925%
Sep 432°C21°C35°C 199917°C 20016%
Sep 532°C21°C35°C 199918°C 20016%
Sep 632°C21°C36°C 199318°C 20016%
Sep 732°C21°C36°C 201918°C 20017%
Sep 832°C21°C35°C 199819°C 19927%
Sep 932°C21°C36°C 199819°C 19928%
Sep 1033°C21°C36°C 199319°C 19919%
Sep 1133°C21°C37°C 199319°C 19929%
Sep 1233°C21°C36°C 199319°C 199510%
Sep 1333°C21°C37°C 201519°C 199210%
Sep 1433°C21°C36°C 199819°C 199611%
Sep 1533°C21°C35°C 200419°C 199612%
Sep 1633°C21°C35°C 200419°C 199614%
Sep 1733°C21°C36°C 199320°C 199615%
Sep 1833°C21°C36°C 199319°C 199616%
Sep 1933°C22°C36°C 200519°C 199618%
Sep 2033°C22°C36°C 199319°C 199619%
Sep 2133°C22°C35°C 200420°C 199620%
Sep 2233°C22°C36°C 200920°C 200121%
Sep 2333°C22°C36°C 200920°C 199622%
Sep 2433°C22°C35°C 199920°C 199623%
Sep 2533°C22°C38°C 200920°C 200123%
Sep 2633°C22°C36°C 200820°C 199624%
Sep 2733°C22°C36°C 201520°C 199124%
Sep 2833°C22°C36°C 200420°C 199526%
Sep 2933°C22°C35°C 200920°C 199526%
Sep 3033°C22°C36°C 200820°C 199527%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Boma, in percent.01020301102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+1).

September 1
sunrise 6:08 AM, sunset 6:08 PM
September 30
sunrise 5:53 AM, sunset 6:02 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.