Guadalajara weather in September
September is one of the least pleasant months in Guadalajara: highs of 25°C (77°F) and about 143 mm (5.6 in) of rain on average. Nights average 15°C (59°F) and cloud cover 73% (NASA POWER, 2001–2025 averages). It is the 4th wettest month of the year and the 4th coolest. Compared with August, it is about as warm and drier; October brings highs of 25°C (78°F) and 51 mm (2.0 in) of rain.
Is September a good time to visit Guadalajara?
least pleasant month Weather score 62/100.
September is one of the least pleasant months for weather in Guadalajara. For better conditions, consider Oct–May.
Does it rain a lot in Guadalajara in September?
Some rain is normal: about 143 mm (5.6 in) falls in an average September. It is the 4th wettest month of the year.
How warm is Guadalajara in September?
Days average 25°C (77°F) and nights 15°C (59°F).
Guadalajara weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 23°C (74°F) | 9°C (47°F) | 10 mm | 38% | best |
| February | 26°C (78°F) | 10°C (50°F) | 17 mm | 31% | best |
| March | 29°C (83°F) | 12°C (53°F) | 7 mm | 27% | best |
| April | 31°C (89°F) | 14°C (58°F) | 2 mm | 30% | best |
| May | 33°C (91°F) | 17°C (62°F) | 28 mm | 34% | best |
| June | 29°C (85°F) | 17°C (63°F) | 149 mm | 62% | least pleasant |
| July | 25°C (78°F) | 16°C (61°F) | 205 mm | 76% | least pleasant |
| August | 25°C (77°F) | 16°C (60°F) | 169 mm | 73% | least pleasant |
| September | 25°C (77°F) | 15°C (59°F) | 143 mm | 73% | least pleasant |
| October | 25°C (78°F) | 13°C (56°F) | 51 mm | 47% | best |
| November | 25°C (76°F) | 10°C (51°F) | 14 mm | 30% | best |
| December | 24°C (74°F) | 9°C (48°F) | 7 mm | 36% | best |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months