September is one of the cooler months of the year in Pannawonica, with average highs near 34.2°C and lows around 16.2°C (mean 25.2°C). It is one of the drier months, averaging 1 mm of rainfall and 35% relative humidity across the period.
September is one of the cooler months of the year in Pannawonica. Across 45 years of records, the warmest September in Pannawonica was 2023 — when the month averaged 28.1°C — while the coldest was 1992 at 22.9°C. Typical September days reach 34.2°C with nights near 16.2°C. The long-term trend is warming, about 0.3°C per decade.
September is one of the drier months in Pannawonica, averaging 1 mm of rainfall. The wettest September on record was 2010 with 17 mm, while the driest were 2020, 2021 and 2023, among others at 0 mm.
Relative humidity in Pannawonica during September averages 35%. The most humid September was 1997 at 45%, and the least humid was 1981 at 27%.
September receives about 6.8 kWh/m²/day of solar energy in Pannawonica. The sunniest September was 2009 at 7.1 kWh/m²/day, and the cloudiest was 2024 at 5.9.
Average wind speed in Pannawonica during September is 3.2 m/s. The windiest Septembers were 1998 and 2009 at 3.6 m/s, while the calmest was 2019 at 2.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.3°C | 24.4°C | 25.3°C | 25.2°C | 26.5°C | +1.2°C |
| Avg High | 34.3°C | 33.3°C | 34.4°C | 34.3°C | 35.2°C | +0.9°C |
| Avg Low | 16.3°C | 15.5°C | 16.1°C | 16.1°C | 17.8°C | +1.5°C |
| Avg Rain | 2 mm | 1 mm | 0 mm | 2 mm | 2 mm | 0 mm |
September temperatures in Pannawonica have risen by about 0.9°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 8.9°C (2004) to a record high of 42.7°C (2023).
Rainfall in September is one of the drier months, averaging 1 mm, with a wettest year of 17 mm.
One of the best times to visit Pannawonica
September is one of the best times to visit Pannawonica. Expect days averaging 34.2°C and nights around 16.2°C (mean 25.2°C) — cooler than Pannawonica's yearly average — with low rainfall (1 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 34.6°C | 25.7°C | 16.7°C | 38.7°C | 12.0°C | 1 mm | 30% | 3.2 m/s | 6.9 |
| 2024 | 35.5°C | 27.9°C | 20.3°C | 39.9°C | 14.9°C | 6 mm | 39% | 2.9 m/s | 5.9 |
| 2023 🔥 | 37.3°C | 28.1°C | 18.8°C | 42.7°C | 13.7°C | 0 mm | 35% | 3.1 m/s | 6.7 |
| 2022 | 32.5°C | 24.1°C | 15.7°C | 39.0°C | 12.1°C | 4 mm | 41% | 3.3 m/s | 6.7 |
| 2021 | 34.3°C | 25.5°C | 16.7°C | 38.8°C | 13.9°C | 0 mm | 28% | 3.5 m/s | 6.9 |
| 2020 | 36.8°C | 27.7°C | 18.5°C | 41.4°C | 14.6°C | 0 mm | 28% | 3.4 m/s | 7 |
| 2019 | 35.4°C | 25.8°C | 16.2°C | 38.6°C | 13.1°C | 0 mm | 33% | 2.8 m/s | 7 |
| 2018 | 35.1°C | 25.8°C | 16.5°C | 39.8°C | 12.2°C | 0 mm | 31% | 3.1 m/s | 7 |
| 2017 | 34.5°C | 25.6°C | 16.8°C | 40.5°C | 12.4°C | 0 mm | 36% | 3.3 m/s | 6.8 |
| 2016 | 32.5°C | 23.6°C | 14.7°C | 35.6°C | 12.4°C | 2 mm | 38% | 3.2 m/s | 6.9 |
| 2015 | 36.1°C | 26.8°C | 17.5°C | 40.1°C | 12.3°C | 0 mm | 29% | 2.9 m/s | 6.9 |
| 2014 | 35.2°C | 25.7°C | 16.3°C | 38.8°C | 13.3°C | 0 mm | 37% | 3.1 m/s | 7 |
| 2013 | 34.1°C | 25.0°C | 15.8°C | 39.2°C | 12.3°C | 0 mm | 39% | 3.5 m/s | 7 |
| 2012 | 34.7°C | 25.5°C | 16.3°C | 38.4°C | 12.3°C | 0 mm | 39% | 3.4 m/s | 6.9 |
| 2011 | 33.3°C | 24.2°C | 15.1°C | 36.5°C | 12.4°C | 0 mm | 32% | 3.5 m/s | 7 |
| 2010 🌧️ | 32.3°C | 24.0°C | 15.6°C | 41.7°C | 10.8°C | 17 mm | 37% | 3.3 m/s | 6.4 |
| 2009 | 34.0°C | 24.7°C | 15.3°C | 38.8°C | 12.8°C | 0 mm | 31% | 3.6 m/s | 7.1 |
| 2008 | 35.1°C | 26.2°C | 17.4°C | 40.3°C | 15.5°C | 0 mm | 33% | 3.3 m/s | 6.8 |
| 2007 | 35.5°C | 26.0°C | 16.6°C | 38.6°C | 14.0°C | 0 mm | 30% | 3.3 m/s | 7 |
| 2006 | 35.6°C | 26.6°C | 17.6°C | 40.7°C | 14.4°C | 3 mm | 40% | 2.9 m/s | 6.8 |
| 2005 | 32.8°C | 23.7°C | 14.5°C | 36.2°C | 11.0°C | 0 mm | 41% | 3.3 m/s | 6.9 |
| 2004 | 33.2°C | 24.1°C | 14.9°C | 39.6°C | 8.9°C | 0 mm | 36% | 3.2 m/s | 6.9 |
| 2003 | 33.7°C | 24.6°C | 15.5°C | 39.6°C | 12.9°C | 0 mm | 37% | 3.5 m/s | 7 |
| 2002 | 34.0°C | 24.7°C | 15.3°C | 39.2°C | 11.7°C | 0 mm | 38% | 3.3 m/s | 6.9 |
| 2001 | 33.4°C | 25.0°C | 16.5°C | 39.8°C | 10.9°C | 0 mm | 38% | 3.2 m/s | 6 |
| 2000 | 36.4°C | 27.1°C | 17.8°C | 41.7°C | 12.4°C | 0 mm | 31% | 3 m/s | 6.5 |
| 1999 | 34.4°C | 25.4°C | 16.4°C | 38.0°C | 13.2°C | 0 mm | 36% | 3.4 m/s | 6.9 |
| 1998 | 33.1°C | 24.6°C | 16.0°C | 40.9°C | 12.7°C | 0 mm | 38% | 3.6 m/s | 6.8 |
| 1997 | 32.7°C | 23.5°C | 14.3°C | 37.3°C | 11.6°C | 8 mm | 45% | 3 m/s | 6.8 |
| 1996 | 33.9°C | 24.8°C | 15.6°C | 37.5°C | 13.8°C | 0 mm | 40% | 3.3 m/s | 6.9 |
| 1995 | 33.0°C | 24.6°C | 16.2°C | 38.7°C | 12.1°C | 1 mm | 45% | 3.2 m/s | 6.5 |
| 1994 | 35.5°C | 25.9°C | 16.3°C | 38.5°C | 13.0°C | 0 mm | 29% | 3.2 m/s | 6.9 |
| 1993 | 32.3°C | 23.6°C | 14.9°C | 37.0°C | 9.8°C | 0 mm | 33% | 3.3 m/s | 6.9 |
| 1992 ❄️ | 31.3°C | 22.9°C | 14.4°C | 37.3°C | 9.5°C | 0 mm | 37% | 3.4 m/s | 6.6 |
| 1991 | 32.9°C | 23.6°C | 14.3°C | 40.4°C | 11.6°C | 0 mm | 36% | 3.4 m/s | 6.9 |
| 1990 | 34.3°C | 25.3°C | 16.4°C | 39.7°C | 13.4°C | 0 mm | 32% | 3.2 m/s | 7 |
| 1989 | 35.7°C | 26.3°C | 16.9°C | 39.6°C | 14.3°C | 0 mm | 30% | 3.3 m/s | 7 |
| 1988 | 35.1°C | 25.4°C | 15.8°C | 40.2°C | 13.1°C | 0 mm | 30% | 3.1 m/s | 6.7 |
| 1987 | 34.7°C | 25.5°C | 16.4°C | 39.2°C | 13.5°C | 0 mm | 32% | 3.1 m/s | 6.8 |
| 1986 | 32.7°C | 23.8°C | 14.9°C | 37.3°C | 11.4°C | 7 mm | 41% | 3.2 m/s | 6.6 |
| 1985 | 34.6°C | 25.5°C | 16.4°C | 37.6°C | 12.0°C | 0 mm | 32% | 3.2 m/s | 7 |
| 1984 | 32.0°C | 23.3°C | 14.6°C | 35.9°C | 11.3°C | 3 mm | 41% | 3.1 m/s | 6.7 |
| 1983 | 35.7°C | 26.7°C | 17.7°C | 40.3°C | 13.1°C | 7 mm | 33% | 3.3 m/s | — |
| 1982 | 32.4°C | 24.2°C | 16.0°C | 39.3°C | 12.1°C | 3 mm | 40% | 3.2 m/s | — |
| 1981 | 36.2°C | 27.3°C | 18.3°C | 40.2°C | 13.6°C | 0 mm | 27% | 3.4 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 34.2°C with lows near 16.2°C (mean 25.2°C), based on 45 years of NASA POWER data.
September averages 1 mm of rainfall in Pannawonica, one of the drier months. The wettest on record was 17 mm in 2010.
The hottest September reached 42.7°C in 2023. The coldest dipped to 8.9°C in 2004.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 0.9°C. Daytime highs moved from 34.2°C to 34.8°C and overnight lows from 16.6°C to 17.6°C over the same span.
September is one of the cooler months of the year in Pannawonica and one of the drier months, so plan for around 34.2°C daytime highs and 16.2°C at night.
Not quite — September is the 5th coolest month in Pannawonica, averaging 25.2°C.
For September in Pannawonica, pack light, breathable clothing and sun protection, with typical highs of 34.2°C and lows of 16.2°C.
Relative humidity in September averages 35% — relatively dry.
Average wind speed in September is 3.2 m/s. The windiest September on record averaged 3.6 m/s (1998).
The wettest September on record was 2010 with 17 mm. On average, September sees 1 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 Pannawonica 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.
