Santiago Province weather in September
September is one of the least pleasant months in Santiago Province: highs of 32°C (89°F) and about 58 mm (2.3 in) of rain on average. Nights average 23°C (73°F) and cloud cover 53% (NASA POWER, 2001–2025 averages). It is the 4th wettest month of the year and the warmest. Compared with August, it is about as warm and about as wet; October brings highs of 31°C (87°F) and 60 mm (2.4 in) of rain.
Figures are long-term averages for Santiago de los Caballeros, the largest city in Santiago Province. See below for other places.
Is September a good time to visit Santiago Province?
least pleasant month Weather score 77/100.
September is one of the least pleasant months for weather in Santiago Province. For better conditions, consider Feb–Mar.
Does it rain a lot in Santiago Province in September?
No, it is usually dry: about 58 mm (2.3 in) falls in an average September. It is the 4th wettest month of the year.
How warm is Santiago Province in September?
Days average 32°C (89°F) and nights 23°C (73°F).
Santiago Province weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 28°C (82°F) | 18°C (65°F) | 49 mm | 45% | fair |
| February | 28°C (83°F) | 18°C (65°F) | 29 mm | 42% | best |
| March | 29°C (85°F) | 19°C (65°F) | 38 mm | 47% | best |
| April | 30°C (86°F) | 20°C (68°F) | 44 mm | 52% | fair |
| May | 31°C (87°F) | 21°C (70°F) | 64 mm | 63% | least pleasant |
| June | 32°C (89°F) | 22°C (72°F) | 39 mm | 56% | fair |
| July | 31°C (88°F) | 23°C (73°F) | 49 mm | 50% | fair |
| August | 32°C (89°F) | 23°C (73°F) | 55 mm | 50% | fair |
| September | 32°C (89°F) | 23°C (73°F) | 58 mm | 53% | least pleasant |
| October | 31°C (87°F) | 22°C (72°F) | 60 mm | 54% | fair |
| November | 29°C (84°F) | 21°C (69°F) | 86 mm | 53% | least pleasant |
| December | 28°C (82°F) | 19°C (67°F) | 56 mm | 46% | fair |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Santiago Province in September
Weather can differ a lot within Santiago Province: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Santiago de los Caballeros | 32°C (89°F) | 23°C (73°F) | 58 mm | least pleasant |
| Villa Bisonó | 32°C (89°F) | 23°C (73°F) | 58 mm | least pleasant |
| Tamboril | 32°C (89°F) | 23°C (73°F) | 58 mm | least pleasant |