September is one of the cooler months of the year in Berri, with average highs near 21.4°C and lows around 7.2°C (mean 14.3°C). It is about average for rainfall, averaging 27 mm of rainfall and 61% relative humidity across the period.
September is one of the cooler months of the year in Berri. Across 45 years of records, the warmest September in Berri was 2023 — when the month averaged 17.1°C — while the coldest was 1992 at 11.1°C. Typical September days reach 21.4°C with nights near 7.2°C. The long-term trend is warming, about 0.3°C per decade.
September is about average for rainfall in Berri, averaging 27 mm of rainfall. The wettest September on record was 2016 with 77 mm, while the driest was 2018 at 2 mm.
Relative humidity in Berri during September averages 61%. The most humid September was 1992 at 74%, and the least humid was 2023 at 50%.
September receives about 4.8 kWh/m²/day of solar energy in Berri. The sunniest Septembers were 2006 and 2023 at 5.4 kWh/m²/day, and the cloudiest were 2010 and 2016 at 4.2.
Average wind speed in Berri during September is 3.1 m/s. The windiest September was 1996 at 3.8 m/s, while the calmest was 1997 at 2.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 13.8°C | 13.9°C | 14.7°C | 14.5°C | 15.0°C | +1.2°C |
| Avg High | 21.0°C | 20.8°C | 21.9°C | 21.6°C | 22.2°C | +1.2°C |
| Avg Low | 6.7°C | 7.0°C | 7.4°C | 7.4°C | 7.9°C | +1.2°C |
| Avg Rain | 21 mm | 35 mm | 27 mm | 26 mm | 27 mm | +6 mm |
September temperatures in Berri have risen by about 1.5°C between 1981–1985 and 2021–2025.
September has ranged from a record low of -0.4°C (1995) to a record high of 35.8°C (2023).
Rainfall in September is about average for rainfall, averaging 27 mm, with a wettest year of 77 mm.
A good time to visit Berri
September is a good time to visit Berri, with days averaging 21.4°C and nights around 7.2°C (mean 14.3°C, cooler than Berri's yearly average) and low rainfall. March and December are marginally more temperate, but September still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 22.4°C | 15.2°C | 8.1°C | 30.2°C | 5.4°C | 26 mm | 60% | 3.2 m/s | 4.8 |
| 2024 | 22.6°C | 14.9°C | 7.3°C | 32.4°C | 2.6°C | 11 mm | 56% | 3.3 m/s | 5 |
| 2023 🔥 | 25.2°C | 17.1°C | 9.0°C | 35.8°C | 3.1°C | 6 mm | 50% | 2.7 m/s | 5.4 |
| 2022 | 19.5°C | 13.5°C | 7.4°C | 23.4°C | 3.1°C | 63 mm | 71% | 3 m/s | 4.4 |
| 2021 | 22.0°C | 14.6°C | 7.2°C | 31.8°C | 4.0°C | 24 mm | 59% | 3 m/s | 4.9 |
| 2020 | 21.5°C | 14.8°C | 8.2°C | 27.6°C | 2.8°C | 32 mm | 62% | 3.2 m/s | 4.7 |
| 2019 | 22.5°C | 14.7°C | 6.8°C | 31.8°C | 2.9°C | 13 mm | 54% | 3 m/s | 5.1 |
| 2018 | 21.5°C | 13.8°C | 6.1°C | 29.7°C | 3.0°C | 2 mm | 52% | 2.8 m/s | 5.3 |
| 2017 | 22.4°C | 15.1°C | 7.9°C | 31.2°C | 2.7°C | 7 mm | 54% | 3.6 m/s | 4.8 |
| 2016 🌧️ | 19.2°C | 13.0°C | 6.8°C | 25.5°C | 4.5°C | 77 mm | 70% | 3.3 m/s | 4.2 |
| 2015 | 21.6°C | 14.2°C | 6.8°C | 29.5°C | 3.2°C | 15 mm | 58% | 2.7 m/s | 5.1 |
| 2014 | 21.7°C | 14.7°C | 7.7°C | 31.9°C | 4.4°C | 19 mm | 61% | 2.9 m/s | 4.8 |
| 2013 | 24.1°C | 17.0°C | 10.0°C | 31.2°C | 4.6°C | 38 mm | 61% | 3.3 m/s | 4.7 |
| 2012 | 22.4°C | 15.1°C | 7.8°C | 32.3°C | 4.3°C | 8 mm | 56% | 3.3 m/s | 4.9 |
| 2011 | 22.2°C | 14.7°C | 7.2°C | 32.1°C | 2.1°C | 16 mm | 59% | 3.1 m/s | 4.9 |
| 2010 | 18.7°C | 12.7°C | 6.7°C | 21.9°C | 2.8°C | 60 mm | 74% | 2.8 m/s | 4.2 |
| 2009 | 22.2°C | 14.9°C | 7.6°C | 33.9°C | 4.4°C | 49 mm | 59% | 3.5 m/s | 4.7 |
| 2008 | 22.2°C | 14.5°C | 6.8°C | 33.9°C | 3.0°C | 12 mm | 57% | 3 m/s | 5.2 |
| 2007 | 22.8°C | 15.3°C | 7.9°C | 29.7°C | 3.5°C | 11 mm | 54% | 3.4 m/s | 5.2 |
| 2006 | 23.2°C | 15.4°C | 7.5°C | 32.8°C | 3.1°C | 9 mm | 53% | 3.3 m/s | 5.4 |
| 2005 | 20.8°C | 14.2°C | 7.5°C | 28.2°C | 3.9°C | 43 mm | 64% | 2.9 m/s | 4.5 |
| 2004 | 20.9°C | 13.9°C | 6.9°C | 34.0°C | 1.0°C | 21 mm | 65% | 2.7 m/s | 4.5 |
| 2003 | 20.4°C | 13.5°C | 6.6°C | 33.3°C | 1.8°C | 21 mm | 65% | 3.6 m/s | 4.8 |
| 2002 | 22.0°C | 14.6°C | 7.1°C | 30.9°C | 1.3°C | 15 mm | 54% | 3.5 m/s | 4.9 |
| 2001 | 22.5°C | 15.3°C | 8.1°C | 32.0°C | 3.0°C | 49 mm | 62% | 3 m/s | 4.6 |
| 2000 | 21.9°C | 15.0°C | 8.0°C | 30.7°C | 3.8°C | 38 mm | 67% | 3.2 m/s | 4.8 |
| 1999 | 23.0°C | 15.7°C | 8.5°C | 32.5°C | 3.5°C | 18 mm | 58% | 2.9 m/s | 4.8 |
| 1998 | 22.6°C | 15.5°C | 8.3°C | 33.2°C | 3.7°C | 31 mm | 63% | 3 m/s | 4.8 |
| 1997 | 20.5°C | 14.0°C | 7.5°C | 25.5°C | 3.8°C | 61 mm | 66% | 2.5 m/s | 4.6 |
| 1996 | 19.8°C | 13.2°C | 6.6°C | 30.9°C | 1.3°C | 43 mm | 64% | 3.8 m/s | 4.8 |
| 1995 | 21.2°C | 14.0°C | 6.8°C | 26.7°C | -0.4°C | 23 mm | 62% | 2.7 m/s | 4.9 |
| 1994 | 20.1°C | 13.0°C | 5.8°C | 27.1°C | 2.6°C | 18 mm | 62% | 3 m/s | 5 |
| 1993 | 20.6°C | 13.8°C | 7.1°C | 30.2°C | 2.7°C | 48 mm | 66% | 2.9 m/s | 4.7 |
| 1992 ❄️ | 16.8°C | 11.1°C | 5.4°C | 21.1°C | 1.8°C | 66 mm | 74% | 2.8 m/s | 4.3 |
| 1991 | 21.3°C | 14.1°C | 6.9°C | 27.5°C | 3.7°C | 17 mm | 64% | 3.3 m/s | 5 |
| 1990 | 21.8°C | 14.4°C | 6.9°C | 32.8°C | 2.7°C | 22 mm | 62% | 3.1 m/s | 5.2 |
| 1989 | 20.8°C | 13.9°C | 6.9°C | 29.4°C | 2.5°C | 20 mm | 65% | 3.1 m/s | 5.1 |
| 1988 | 22.3°C | 14.9°C | 7.6°C | 31.9°C | 2.6°C | 29 mm | 58% | 3.3 m/s | 4.8 |
| 1987 | 22.1°C | 14.4°C | 6.7°C | 33.7°C | 0.7°C | 10 mm | 63% | 2.8 m/s | 5 |
| 1986 | 20.1°C | 13.4°C | 6.8°C | 25.9°C | 2.0°C | 30 mm | 68% | 3 m/s | 4.8 |
| 1985 | 19.7°C | 12.7°C | 5.8°C | 24.9°C | 3.0°C | 15 mm | 63% | 3.1 m/s | 5.2 |
| 1984 | 18.6°C | 12.0°C | 5.3°C | 24.8°C | 2.2°C | 20 mm | 64% | 3.4 m/s | 4.7 |
| 1983 | 20.8°C | 13.7°C | 6.6°C | 28.8°C | 1.4°C | 41 mm | 66% | 3.2 m/s | — |
| 1982 | 21.7°C | 14.1°C | 6.4°C | 31.9°C | 1.4°C | 9 mm | 53% | 3.1 m/s | — |
| 1981 | 22.8°C | 15.3°C | 7.8°C | 33.9°C | 4.1°C | 12 mm | 61% | 2.9 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 21.4°C with lows near 7.2°C (mean 14.3°C), based on 45 years of NASA POWER data.
September averages 27 mm of rainfall in Berri, about average for rainfall. The wettest on record was 77 mm in 2016.
The hottest September reached 35.8°C in 2023. The coldest dipped to -0.4°C in 1995.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 1.5°C. Daytime highs moved from 20.7°C to 22.3°C and overnight lows from 6.4°C to 7.8°C over the same span.
September is one of the cooler months of the year in Berri and about average for rainfall, so plan for around 21.4°C daytime highs and 7.2°C at night.
Not quite — September is the 5th coolest month in Berri, averaging 14.3°C.
For September in Berri, pack warm layers and a jacket for chilly mornings, with typical highs of 21.4°C and lows of 7.2°C.
Relative humidity in September averages 61% — moderately humid.
Average wind speed in September is 3.1 m/s. The windiest September on record averaged 3.8 m/s (1996).
The wettest September on record was 2016 with 77 mm. On average, September sees 27 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Berri behaves each September, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for September specifically, along with year-by-year records and how the month has changed over the decades.
