Puducherry weather in September
September is a fair month to visit Puducherry: highs of 31°C (88°F) and about 123 mm (4.8 in) of rain on average. Nights average 26°C (80°F) and cloud cover 75% (NASA POWER, 2001–2025 averages). The sea averages 30°C (86°F). It is the 4th wettest month of the year and the 6th warmest. Compared with August, it is cooler and about as wet; October brings highs of 30°C (85°F) and 234 mm (9.2 in) of rain.
Figures are long-term averages for Puducherry, the largest city in Puducherry. See below for other places.
Is September a good time to visit Puducherry?
fair month Weather score 65/100.
September is a fair month in Puducherry. The weather is usually best in Jan–Apr.
Does it rain a lot in Puducherry in September?
Some rain is normal: about 123 mm (4.8 in) falls in an average September. It is the 4th wettest month of the year.
How warm is Puducherry in September?
Days average 31°C (88°F) and nights 26°C (80°F).
Puducherry weather by month
| Month | High | Low | Rain | Cloud | Sea | Weather |
|---|---|---|---|---|---|---|
| January | 27°C (81°F) | 23°C (73°F) | 18 mm | 42% | 27°C (81°F) | best |
| February | 28°C (83°F) | 24°C (74°F) | 8 mm | 35% | 29°C (83°F) | best |
| March | 31°C (87°F) | 25°C (77°F) | 18 mm | 36% | 30°C (85°F) | best |
| April | 32°C (90°F) | 27°C (81°F) | 31 mm | 44% | 31°C (87°F) | best |
| May | 33°C (92°F) | 28°C (82°F) | 69 mm | 58% | 31°C (88°F) | fair |
| June | 33°C (91°F) | 28°C (82°F) | 59 mm | 74% | 31°C (87°F) | fair |
| July | 32°C (90°F) | 27°C (81°F) | 81 mm | 80% | 30°C (85°F) | fair |
| August | 32°C (89°F) | 27°C (80°F) | 109 mm | 78% | 30°C (85°F) | fair |
| September | 31°C (88°F) | 26°C (80°F) | 123 mm | 75% | 30°C (86°F) | fair |
| October | 30°C (85°F) | 26°C (79°F) | 234 mm | 71% | 30°C (86°F) | least pleasant |
| November | 28°C (83°F) | 25°C (77°F) | 273 mm | 70% | 29°C (84°F) | least pleasant |
| December | 27°C (81°F) | 24°C (75°F) | 130 mm | 57% | 27°C (81°F) | fair |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine. Page updated . How we rate months
Weather across Puducherry in September
Weather can differ a lot within Puducherry: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Puducherry | 31°C (88°F) | 26°C (80°F) | 123 mm | fair |
| Gundupālaiyam | 31°C (88°F) | 26°C (80°F) | 123 mm | fair |
| Kāraikāl | 31°C (88°F) | 27°C (80°F) | 96 mm | fair |
| Mādāyi | 27°C (81°F) | 26°C (78°F) | 323 mm | least pleasant |
| Villianur | 31°C (88°F) | 26°C (80°F) | 123 mm | fair |
| Kurumbapet | 31°C (88°F) | 26°C (80°F) | 123 mm | fair |
| Ariyānkuppam | 31°C (88°F) | 26°C (80°F) | 123 mm | fair |
| Kunnimangalam | 27°C (81°F) | 26°C (78°F) | 323 mm | least pleasant |
| Manaveli | 31°C (88°F) | 26°C (80°F) | 123 mm | fair |