September is close to North and Middle Andaman's year-round average, with average highs near 29°C and lows around 26.1°C (mean 27.6°C). It is a relatively wet time of year, averaging 362 mm of rainfall and 84% relative humidity across the period.
September is close to North and Middle Andaman's year-round average. Across 45 years of records, the warmest September in North and Middle Andaman was 2024 — when the month averaged 28.4°C — while the coldest was 1985 at 26.9°C. Typical September days reach 29°C with nights near 26.1°C. The long-term September temperature trend is broadly flat.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.4°C | 27.4°C | 27.6°C | 27.7°C | 27.8°C | +0.4°C |
| Avg High | 29.0°C | 28.9°C | 28.9°C | 29.1°C | 29.4°C | +0.4°C |
| Avg Low | 25.8°C | 26.0°C | 26.3°C | 26.2°C | 26.3°C | +0.5°C |
| Avg Rain | 324 mm | 364 mm | 312 mm | 410 mm | 419 mm | +95 mm |
September temperatures in North and Middle Andaman have risen by about 0.5°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 25.4°C (1985) to a record high of 29.9°C (1995).
Rainfall in September is a relatively wet time of year, averaging 362 mm, with a wettest year of 674 mm.
A good time to visit North and Middle Andaman
September is a good time to visit North and Middle Andaman, with days averaging 29°C and nights around 26.1°C (mean 27.6°C, close to North and Middle Andaman's yearly average) and higher rainfall. January and February are marginally more temperate, but September still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 29.4°C | 25.4°C | 27.4°C | 406 mm | 84% | 4.9 m/s | 3.5 |
| 2024 🔥 | 29.7°C | 27.1°C | 28.4°C | 274 mm | 83% | 5.7 m/s | 4.8 |
| 2023 | 29.2°C | 26.3°C | 27.7°C | 653 mm | 86% | 6 m/s | 3.3 |
| 2022 | 29.4°C | 26.5°C | 27.9°C | 332 mm | 81% | 3.5 m/s | 4.6 |
| 2021 | 29.2°C | 26.0°C | 27.6°C | 515 mm | 84% | 4.5 m/s | 4.1 |
| 2020 | 29.2°C | 26.3°C | 27.7°C | 337 mm | 83% | 4.3 m/s | 4.2 |
| 2019 | 29.2°C | 26.3°C | 27.7°C | 337 mm | 85% | 5 m/s | 4.5 |
| 2018 | 29.2°C | 26.6°C | 27.9°C | 260 mm | 82% | 4.3 m/s | 4.8 |
| 2017 | 29.6°C | 26.3°C | 28.0°C | 301 mm | 83% | 4.2 m/s | 4.6 |
| 2016 | 29.3°C | 26.1°C | 27.7°C | 411 mm | 83% | 4.2 m/s | 3.7 |
| 2015 | 29.0°C | 26.0°C | 27.5°C | 411 mm | 85% | 5.2 m/s | 4.6 |
| 2014 | 29.4°C | 26.6°C | 28.0°C | 362 mm | 83% | 5.1 m/s | 4.7 |
| 2013 | 28.8°C | 25.9°C | 27.3°C | 466 mm | 85% | 5.2 m/s | 4.1 |
| 2012 🌧️ | 28.6°C | 25.6°C | 27.1°C | 674 mm | 85% | 5.4 m/s | 3.6 |
| 2011 | 28.6°C | 26.3°C | 27.5°C | 569 mm | 85% | 6.1 m/s | 3.4 |
| 2010 | 29.1°C | 26.6°C | 27.8°C | 312 mm | 84% | 3.8 m/s | 4.6 |
| 2009 | 29.3°C | 26.8°C | 28.0°C | 388 mm | 85% | 5.3 m/s | 4.5 |
| 2008 | 29.0°C | 26.3°C | 27.6°C | 411 mm | 84% | 5 m/s | 4.7 |
| 2007 | 28.8°C | 26.6°C | 27.7°C | 354 mm | 86% | 5.3 m/s | 4 |
| 2006 | 28.5°C | 25.9°C | 27.2°C | 351 mm | 86% | 5.2 m/s | 3.8 |
| 2005 | 29.0°C | 26.5°C | 27.8°C | 374 mm | 86% | 5.4 m/s | 4 |
| 2004 | 29.1°C | 25.9°C | 27.5°C | 249 mm | 85% | 4 m/s | 4.8 |
| 2003 | 28.8°C | 26.6°C | 27.7°C | 276 mm | 85% | 4.5 m/s | 4.7 |
| 2002 | 29.0°C | 26.1°C | 27.5°C | 291 mm | 83% | 5.3 m/s | 4.1 |
| 2001 | 28.7°C | 26.2°C | 27.4°C | 221 mm | 86% | 3.7 m/s | 5.1 |
| 2000 | 28.6°C | 26.3°C | 27.4°C | 208 mm | 86% | 4.7 m/s | 4.7 |
| 1999 | 29.3°C | 26.0°C | 27.6°C | 233 mm | 85% | 4.4 m/s | 4.9 |
| 1998 | 29.0°C | 26.4°C | 27.7°C | 378 mm | 86% | 4.4 m/s | 4.3 |
| 1997 | 28.8°C | 25.9°C | 27.3°C | 394 mm | 85% | 4.2 m/s | 4.9 |
| 1996 | 28.5°C | 26.0°C | 27.2°C | 453 mm | 88% | 5.2 m/s | 4 |
| 1995 | 29.9°C | 25.4°C | 27.6°C | 244 mm | 83% | 4.9 m/s | 4.7 |
| 1994 | 28.4°C | 25.7°C | 27.0°C | 563 mm | 86% | 5.3 m/s | 4 |
| 1993 | 28.7°C | 25.9°C | 27.3°C | 452 mm | 85% | 4.8 m/s | 4.1 |
| 1992 | 28.5°C | 26.0°C | 27.2°C | 303 mm | 85% | 5.4 m/s | 4.5 |
| 1991 | 29.1°C | 26.3°C | 27.7°C | 346 mm | 85% | 4.7 m/s | 4.2 |
| 1990 | 29.1°C | 26.1°C | 27.6°C | 278 mm | 83% | 4.6 m/s | 4.5 |
| 1989 | 29.0°C | 25.9°C | 27.4°C | 170 mm | 84% | 4.3 m/s | 5 |
| 1988 | 29.0°C | 26.3°C | 27.7°C | 459 mm | 85% | 3.8 m/s | 4.4 |
| 1987 | 29.6°C | 25.6°C | 27.6°C | 290 mm | 82% | 4.1 m/s | 4.7 |
| 1986 | 28.8°C | 25.9°C | 27.3°C | 351 mm | 82% | 4.6 m/s | 4.9 |
| 1985 ❄️ | 28.4°C | 25.4°C | 26.9°C | 328 mm | 84% | 4.1 m/s | 5.1 |
| 1984 | 29.0°C | 25.5°C | 27.2°C | 262 mm | 79% | 3.3 m/s | 4.8 |
| 1983 | 29.1°C | 25.9°C | 27.5°C | 270 mm | 84% | 4.7 m/s | — |
| 1982 | 29.3°C | 26.5°C | 27.9°C | 317 mm | 83% | 5.2 m/s | — |
| 1981 | 28.8°C | 25.6°C | 27.2°C | 470 mm | 84% | 4.1 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 29°C with lows near 26.1°C (mean 27.6°C), based on 45 years of NASA POWER data.
September averages 362 mm of rainfall in North and Middle Andaman, a relatively wet time of year. The wettest on record was 674 mm in 2012.
The hottest September reached 29.9°C in 1995. The coldest dipped to 25.4°C in 1985.
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 28.9°C to 29.4°C and overnight lows from 25.8°C to 26.3°C over the same span.
September is close to North and Middle Andaman's year-round average and a relatively wet time of year, so plan for around 29°C daytime highs and 26.1°C at night.
Not quite — September is the 5th coolest month in North and Middle Andaman, averaging 27.6°C.
For September in North and Middle Andaman, pack light layers you can adjust through the day, with typical highs of 29°C and lows of 26.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 84% — quite humid.
Average wind speed in September is 4.7 m/s. The windiest September on record averaged 6.1 m/s (2011).
The wettest September on record was 2012 with 674 mm. On average, September sees 362 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 North and Middle Andaman 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.
