Guerrero weather in September
September is one of the least pleasant months in Guerrero: highs of 27°C (81°F) and about 300 mm (11.8 in) of rain on average. Nights average 23°C (74°F) and cloud cover 77% (NASA POWER, 2001–2025 averages). The sea averages 31°C (87°F). It is the wettest month of the year and the coolest. Compared with August, it is cooler and about as wet; October brings highs of 28°C (82°F) and 142 mm (5.6 in) of rain.
Figures are long-term averages for Acapulco de Juárez, the largest city in Guerrero. See below for other places.
Is September a good time to visit Guerrero?
least pleasant month Weather score 35/100.
September is one of the least pleasant months for weather in Guerrero. For better conditions, consider Nov–May.
Does it rain a lot in Guerrero in September?
Yes, it is one of the rainy months: about 300 mm (11.8 in) falls in an average September. It is the wettest month of the year.
How warm is Guerrero in September?
Days average 27°C (81°F) and nights 23°C (74°F).
Guerrero weather by month
| Month | High | Low | Rain | Cloud | Sea | Weather |
|---|---|---|---|---|---|---|
| January | 29°C (85°F) | 21°C (69°F) | 10 mm | 33% | 28°C (82°F) | best |
| February | 30°C (86°F) | 20°C (69°F) | 8 mm | 26% | 28°C (82°F) | best |
| March | 31°C (87°F) | 21°C (69°F) | 5 mm | 24% | 27°C (80°F) | best |
| April | 32°C (89°F) | 22°C (71°F) | 2 mm | 26% | 27°C (80°F) | best |
| May | 31°C (89°F) | 23°C (73°F) | 50 mm | 46% | 29°C (84°F) | best |
| June | 29°C (84°F) | 23°C (74°F) | 212 mm | 69% | 29°C (85°F) | least pleasant |
| July | 29°C (83°F) | 24°C (74°F) | 197 mm | 70% | 31°C (87°F) | fair |
| August | 28°C (83°F) | 24°C (74°F) | 279 mm | 70% | 31°C (88°F) | least pleasant |
| September | 27°C (81°F) | 23°C (74°F) | 300 mm | 77% | 31°C (87°F) | least pleasant |
| October | 28°C (82°F) | 23°C (73°F) | 142 mm | 61% | 30°C (86°F) | fair |
| November | 28°C (83°F) | 22°C (71°F) | 30 mm | 36% | 29°C (85°F) | best |
| December | 29°C (84°F) | 21°C (69°F) | 4 mm | 31% | 29°C (84°F) | best |
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 Guerrero in September
Weather can differ a lot within Guerrero: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Acapulco de Juárez | 27°C (81°F) | 23°C (74°F) | 300 mm | least pleasant |
| Chilpancingo | 25°C (78°F) | 17°C (63°F) | 238 mm | least pleasant |
| Iguala de la Independencia | 25°C (77°F) | 17°C (62°F) | 204 mm | least pleasant |
| Ixtapa-Zihuatanejo | 28°C (82°F) | 24°C (75°F) | 289 mm | least pleasant |
| Taxco de Alarcón | 25°C (77°F) | 17°C (62°F) | 204 mm | least pleasant |
| Tlapa de Comonfort | 25°C (76°F) | 16°C (60°F) | 230 mm | least pleasant |
| Chilapa de Álvarez | 25°C (78°F) | 17°C (63°F) | 238 mm | least pleasant |
| Ciudad Altamirano | 28°C (83°F) | 21°C (69°F) | 193 mm | least pleasant |
| Zumpango del Río | 25°C (78°F) | 17°C (63°F) | 238 mm | least pleasant |
| Ometepec | 28°C (83°F) | 23°C (73°F) | 331 mm | least pleasant |
| Teloloapan | 26°C (78°F) | 18°C (64°F) | 208 mm | least pleasant |
| Tixtla de Guerrero | 25°C (78°F) | 17°C (63°F) | 238 mm | least pleasant |