Guadalajara in September
In September, Guadalajara averages 26°C (80°F) during the day and 17°C (62°F) at night, with frequent rain — about 23 days of the month see precipitation (116 mm total).
ShoulderConditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.
September offers comfortable temperatures in Guadalajara, with some rain to plan around.
How September compares to the rest of the year in Guadalajara
September is in the middle of the year for warmth in Guadalajara (9th of 12) and one of the wettest months (3rd of 12). Daytime temperature runs 1°C below the annual average (28°C). September runs roughly the same as August (27°C) and stays flat into October.
September sunrise & sunset in Guadalajara
Times shown for Guadalajara local time (America/Mexico_City), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in Guadalajara — September
Golden-hour and blue-hour windows for the 15th of September, in Guadalajara's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Guadalajara in September
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Shoulder) and Guadalajara's popularity.
Crowds & pricing — September in Guadalajara
Guadalajara is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Sun & mosquito risk — September in Guadalajara
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Guadalajara in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 25°C / 76°F | 11°C / 51°F | 5 mm | 4 | — |
| February | 27°C / 81°F | 12°C / 54°F | 8 mm | 3 | — |
| March | 30°C / 85°F | 14°C / 57°F | 12 mm | 4 | — |
| April | 32°C / 89°F | 16°C / 60°F | 3 mm | 3 | — |
| May | 33°C / 91°F | 17°C / 63°F | 18 mm | 8 | — |
| June | 30°C / 85°F | 18°C / 64°F | 118 mm | 22 | — |
| July | 27°C / 80°F | 17°C / 63°F | 142 mm | 28 | — |
| August | 27°C / 80°F | 17°C / 63°F | 143 mm | 28 | — |
| September | 26°C / 80°F | 17°C / 62°F | 116 mm | 23 | — |
| October | 27°C / 80°F | 16°C / 60°F | 47 mm | 16 | — |
| November | 26°C / 79°F | 13°C / 56°F | 21 mm | 7 | — |
| December | 24°C / 76°F | 11°C / 52°F | 13 mm | 5 | — |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for Guadalajara in September →
Frequently asked questions
How hot is Guadalajara in September?
In September, Guadalajara averages a high of 26°C (80°F) and a low of 17°C (62°F) — generally warm.
Does it rain a lot in Guadalajara in September?
September is quite rainy in Guadalajara, with about 23 rainy days on average.
Is September a good time to visit Guadalajara?
September is warm but on the rainy side. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Guadalajara in September?
Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full September packing list for Guadalajara for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.