Guanajuato (León de los Aldama)
September
Weather in Guanajuato for September 2025
Your guide to Guanajuato weather in September - trends and predictions
In general, the average temperature in Guanajuato at the beginning of September is 27.1 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 27.3 °C by the end of September.
Guanajuato sees moderate rainfall in September, averaging 8 rainy days.
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22
Dry days
8
Rainy days
0
Snow days
30°/11°
Temperatures
16 km/h
Avg max wind
60 %
Avg humidity
Guanajuato in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  28° | 2  28° | 3  27° | 4 27° | 5 28° | 6 27° | 7  25° |
| 8 28° | 9 27° | 10 28° | 11 26° | 12 27° | 13 26° | 14 28° |
| 15  27° | 16 28° | 17 28° | 18 28° | 19 28° | 20 28° | 21 29° |
| 22 29° | 23 29° | 24 30° | 25 29° | 26 29° | 27 26° | 28 24° |
| 29 27° | 30 26° |
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Temperatures trend during September in Guanajuato
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Patchy rain possible | 28° /15° | 2 mm | 6 | |
| 2 Sept. | Partly cloudy | 28° /14° | 5.9 mm | 7 | |
| 3 Sept. | Fog | 27° /12° | 5.4 mm | 6 | |
| 4 Sept. | Fog | 27° /13° | 2.7 mm | 6 | |
| 5 Sept. | Fog | 28° /13° | 2.3 mm | 7 | |
| 6 Sept. | Fog | 27° /14° | 1.6 mm | 6 | |
| 7 Sept. | Thundery outbreaks possible | 25° /14° | 0.8 mm | 6 | |
| 8 Sept. | Fog | 28° /12° | 0.5 mm | 7 | |
| 9 Sept. | Mist | 27° /10° | 0 mm | 6 | |
| 10 Sept. | Fog | 28° /11° | 0 mm | 7 | |
| 11 Sept. | Fog | 26° /12° | 7.8 mm | 6 | |
| 12 Sept. | Mist | 27° /11° | 6.2 mm | 6 | |
| 13 Sept. | Partly cloudy | 26° /10° | 0.9 mm | 7 | |
| 14 Sept. | Partly cloudy | 28° /11° | 4.7 mm | 7 | |
| 15 Sept. | Cloudy | 27° /13° | 6.3 mm | 6 | |
| 16 Sept. | Fog | 28° /14° | 3.5 mm | 7 | |
| 17 Sept. | Mist | 28° /12° | 2 mm | 7 | |
| 18 Sept. | Thundery outbreaks possible | 28° /12° | 6.5 mm | 6 | |
| 19 Sept. | Fog | 28° /13° | 14.6 mm | 6 | |
| 20 Sept. | Fog | 28° /12° | 4.5 mm | 7 | |
| 21 Sept. | Fog | 29° /13° | 0 mm | 7 | |
| 22 Sept. | Fog | 29° /10° | 0 mm | 7 | |
| 23 Sept. | Fog | 29° /11° | 0 mm | 7 | |
| 24 Sept. | Cloudy | 30° /9° | 0 mm | 7 | |
| 25 Sept. | Mist | 29° /9° | 0 mm | 7 | |
| 26 Sept. | Fog | 29° /11° | 0 mm | 7 | |
| 27 Sept. | Fog | 26° /10° | 0 mm | 6 | |
| 28 Sept. | Fog | 24° /12° | 0 mm | 6 | |
| 29 Sept. | Mist | 27° /12° | 0 mm | 6 | |
| 30 Sept. | Fog | 26° /11° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Guanajuato in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Guanajuato forecast closer to your planned date for the most up-to-date weather information.
Guanajuato in September - FAQ
What are the expected maximum and minimum temperatures in Guanajuato during September?
Expect warm days with temperatures around 30°, cooling to mild conditions of 11° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Guanajuato during September?
Rainfall in Guanajuato during September is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 8 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Guanajuato during September?
The average wind speed in Guanajuato during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Guanajuato in September?
As you prepare for your trip to Guanajuato in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Guanajuato, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Sandals/Flip-flops: Comfortable for warm climates
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
September rainfall patterns in Guanajuato
Explore the daily rainfall trends and prepare for Guanajuatos September weather 💧
UV exposure in Guanajuato during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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