September is one of the cooler months of the year in South Goa, with average highs near 29.4°C and lows around 24.6°C (mean 27°C). It is a relatively wet time of year, averaging 237 mm of rainfall and 86% relative humidity across the period.
September is one of the cooler months of the year in South Goa. Across 45 years of records, the warmest September in South Goa was 2015 — when the month averaged 28.3°C — while the coldest was 1996 at 25.9°C. Typical September days reach 29.4°C with nights near 24.6°C. The long-term trend is warming, about 0.2°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.6°C | 26.6°C | 27.2°C | 27.4°C | 27.2°C | +0.6°C |
| Avg High | 29.1°C | 29.0°C | 29.6°C | 29.9°C | 29.4°C | +0.3°C |
| Avg Low | 24.1°C | 24.2°C | 24.7°C | 24.8°C | 25.1°C | +1°C |
| Avg Rain | 212 mm | 164 mm | 234 mm | 259 mm | 360 mm | +148 mm |
September temperatures in South Goa have risen by about 0.5°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 22.5°C (1994) to a record high of 32°C (2018).
Rainfall in September is a relatively wet time of year, averaging 237 mm, with a wettest year of 563 mm.
A quieter season to visit South Goa
If your dates are flexible, the more temperate months of December and January tend to be the most comfortable for visiting South Goa. That said, September — with days averaging 29.4°C and nights around 24.6°C (mean 27°C) and higher rainfall (237 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 28.3°C | 24.8°C | 26.5°C | 192 mm | 87% | 3.5 m/s | 4.3 |
| 2024 | 29.8°C | 25.3°C | 27.5°C | 299 mm | 85% | 3.9 m/s | 5 |
| 2023 | 29.1°C | 25.7°C | 27.4°C | 437 mm | 86% | 3.4 m/s | 4.7 |
| 2022 | 30.0°C | 24.4°C | 27.2°C | 279 mm | 87% | 3.6 m/s | 5.1 |
| 2021 | 28.7°C | 25.1°C | 26.9°C | 391 mm | 87% | 3.7 m/s | 4.6 |
| 2020 🌧️ | 30.3°C | 25.2°C | 27.7°C | 563 mm | 86% | 3.4 m/s | 4.6 |
| 2019 | 29.2°C | 25.0°C | 27.1°C | 503 mm | 87% | 3.8 m/s | 4.5 |
| 2018 | 32.0°C | 24.3°C | 28.1°C | 107 mm | 84% | 2.9 m/s | 6 |
| 2017 | 30.8°C | 25.3°C | 28.1°C | 334 mm | 86% | 3.2 m/s | 4.7 |
| 2016 | 28.4°C | 24.4°C | 26.4°C | 206 mm | 87% | 3.9 m/s | 4.8 |
| 2015 🔥 | 31.5°C | 25.1°C | 28.3°C | 233 mm | 83% | 2.8 m/s | 5.2 |
| 2014 | 30.0°C | 25.2°C | 27.6°C | 171 mm | 86% | 3.6 m/s | 5.1 |
| 2013 | 28.7°C | 24.7°C | 26.7°C | 268 mm | 87% | 3.5 m/s | 4.8 |
| 2012 | 29.3°C | 24.7°C | 27.0°C | 171 mm | 86% | 3.7 m/s | 5.2 |
| 2011 | 28.7°C | 24.5°C | 26.6°C | 266 mm | 86% | 3.4 m/s | 5.1 |
| 2010 | 30.1°C | 25.1°C | 27.6°C | 329 mm | 86% | 3 m/s | 4.9 |
| 2009 | 29.6°C | 25.4°C | 27.5°C | 358 mm | 88% | 3.7 m/s | 4.6 |
| 2008 | 29.6°C | 24.7°C | 27.1°C | 326 mm | 85% | 3.5 m/s | 4.8 |
| 2007 | 29.3°C | 25.1°C | 27.2°C | 436 mm | 87% | 3.8 m/s | 4.5 |
| 2006 | 30.0°C | 24.9°C | 27.4°C | 297 mm | 87% | 3.6 m/s | 5.1 |
| 2005 | 28.7°C | 24.8°C | 26.8°C | 383 mm | 88% | 4.3 m/s | 4.4 |
| 2004 | 29.7°C | 24.2°C | 26.9°C | 118 mm | 86% | 3 m/s | 5.1 |
| 2003 | 29.0°C | 25.2°C | 27.1°C | 100 mm | 85% | 3.7 m/s | 5.4 |
| 2002 | 29.4°C | 24.3°C | 26.9°C | 67 mm | 83% | 3.1 m/s | 5.9 |
| 2001 | 29.7°C | 24.4°C | 27.0°C | 96 mm | 86% | 3.1 m/s | 5.3 |
| 2000 | 30.8°C | 24.4°C | 27.6°C | 161 mm | 88% | 3 m/s | 5.3 |
| 1999 | 28.8°C | 24.1°C | 26.5°C | 129 mm | 86% | 3.4 m/s | 5.3 |
| 1998 | 29.7°C | 25.5°C | 27.6°C | 329 mm | 86% | 3.9 m/s | 4.4 |
| 1997 | 28.5°C | 24.8°C | 26.6°C | 45 mm | 84% | 2.6 m/s | 5.6 |
| 1996 ❄️ | 27.6°C | 24.1°C | 25.9°C | 173 mm | 89% | 3.5 m/s | 5.2 |
| 1995 | 28.6°C | 24.5°C | 26.6°C | 187 mm | 86% | 3.6 m/s | 5.2 |
| 1994 | 31.0°C | 22.5°C | 26.7°C | 141 mm | 83% | 3.3 m/s | 5.4 |
| 1993 | 28.7°C | 24.3°C | 26.5°C | 152 mm | 85% | 3.6 m/s | 5.3 |
| 1992 | 30.5°C | 23.6°C | 27.1°C | 206 mm | 86% | 3.6 m/s | 5.5 |
| 1991 | 28.6°C | 24.1°C | 26.3°C | 112 mm | 86% | 3.1 m/s | 5.3 |
| 1990 | 28.2°C | 24.5°C | 26.3°C | 162 mm | 85% | 3.4 m/s | 5.4 |
| 1989 | 28.2°C | 23.7°C | 26.0°C | 248 mm | 87% | 2.8 m/s | 5.2 |
| 1988 | 29.8°C | 24.5°C | 27.1°C | 324 mm | 88% | 3.8 m/s | 4.8 |
| 1987 | 29.5°C | 24.8°C | 27.2°C | 148 mm | 87% | 3.4 m/s | 5.3 |
| 1986 | 28.7°C | 23.8°C | 26.2°C | 54 mm | 85% | 3.2 m/s | 5.6 |
| 1985 | 29.9°C | 24.1°C | 27.0°C | 78 mm | 85% | 2.7 m/s | 5.6 |
| 1984 | 30.2°C | 23.1°C | 26.7°C | 213 mm | 86% | 3.6 m/s | 5.3 |
| 1983 | 28.2°C | 24.6°C | 26.4°C | 410 mm | 87% | 3.8 m/s | — |
| 1982 | 28.3°C | 23.9°C | 26.1°C | 105 mm | 82% | 3.1 m/s | — |
| 1981 | 28.9°C | 24.7°C | 26.8°C | 333 mm | 86% | 3.3 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 29.4°C with lows near 24.6°C (mean 27°C), based on 45 years of NASA POWER data.
September averages 237 mm of rainfall in South Goa, a relatively wet time of year. The wettest on record was 563 mm in 2020.
The hottest September reached 32°C in 2018. The coldest dipped to 22.5°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 0.5°C. Daytime highs moved from 29.1°C to 29.2°C and overnight lows from 24.1°C to 25.1°C over the same span.
September is one of the cooler months of the year in South Goa and a relatively wet time of year, so plan for around 29.4°C daytime highs and 24.6°C at night.
Not quite — September is the 6th coolest month in South Goa, averaging 27°C.
For September in South Goa, pack light layers you can adjust through the day, with typical highs of 29.4°C and lows of 24.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 86% — quite humid.
Average wind speed in September is 3.4 m/s. The windiest September on record averaged 4.3 m/s (2005).
The wettest September on record was 2020 with 563 mm. On average, September sees 237 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 South Goa 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.
