Mexico (Yucatán) · September
Low seasonMexico · North America
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ø day, range from coolest to warmest dayØ dayrange | 30° (86°)23– (73–)33 (91) | 32° (90°)23– (73–)36 (97) | 34° (93°)26– (79–)38 (100) | 36° (97°)27– (81–)40 (104) | 37° (99°)30– (86–)40 (104) | 35° (95°)28– (82–)38 (100) | 35° (95°)31– (88–)37 (99) | 35° (95°)30– (86–)37 (99) | 34° (93°)30– (86–)36 (97) | 32° (90°)28– (82–)35 (95) | 31° (88°)26– (79–)33 (91) | 30° (86°)24– (75–)34 (93) |
Ø night, range from coldest to warmest nightØ nightrange | 19° (66°)11– (52–)23 (73) | 20° (68°)12– (54–)23 (73) | 21° (70°)15– (59–)24 (75) | 23° (73°)16– (61–)26 (79) | 24° (75°)20– (68–)26 (79) | 25° (77°)22– (72–)26 (79) | 24° (75°)22– (72–)25 (77) | 24° (75°)22– (72–)26 (79) | 24° (75°)22– (72–)25 (77) | 23° (73°)17– (63–)25 (77) | 21° (70°)14– (57–)24 (75) | 20° (68°)13– (55–)23 (73) |
☀️Sunshine | 7h UV 6 | 8h UV 8 | 9h UV 9 | 10h UV 9 | 10h UV 9 | 8h UV 9 | 10h UV 9 | 9h UV 9 | 8h UV 9 | 7h UV 8 | 7h UV 7 | 7h UV 6 |
🌊Water Temp | 24° (75°) | 25° (77°) | 26° (79°) | 27° (81°) | 28° (82°) | 29° (84°) | 30° (86°) | 30° (86°) | 30° (86°) | 29° (84°) | 27° (81°) | 25° (77°) |
🌧Rain Days | 3d43mm (1.7") | 2d40mm (1.6") | 2d25mm (1.0") | 2d38mm (1.5") | 4d87mm (3.4") | 12d229mm (9.0") | 10d151mm (6.0") | 12d192mm (7.5") | 12d213mm (8.4") | 8d163mm (6.4") | 5d66mm (2.6") | 3d36mm (1.4") |
Best travel time current monthØ = average · small figures = range: coolest–warmest day / coldest–warmest nightClimate data 2005–2025 · Source: ERA5 + station data
Off-season — lowest travel prices with still acceptable climate.
September in Mexico (Yucatán) is generally manageable, but with 12 rain days it's not a reliably sunny month. Better conditions can be found in January, February, March, April, November, and December.
Daytime highs average 34°C (93°F), cooling to 24°C (75°F) at night (daily average: 28°C (82°F)). Peaks reach around 36°C (97°F), the coldest nights around 22°C (72°F). The sun shines an average of 8 hours per day; there are 12 rain days with 213 mm (8.4 in) total. The water is a warm 30°C (86°F) — perfect for snorkelling and swimming.
Sun protection, a hat, and plenty of water are essential at these temperatures. Plan activities for early morning or evening.
A green rainy season with afternoon downpours and plenty of sun in between. Temperatures stay high and the air is humid, but beaches and ruins are quieter and prices lower. Between June and September whale sharks gather off Isla Holbox and Isla Mujeres; the hurricane season is worth factoring into any booking.
Packing list for Mexico (Yucatán) in September
- Airy linen or cotton clothing
- Light evening wear
- Swimwear and beach towel
- SPF 50 sunscreen
- Sunglasses
- Sun hat
- Light umbrella or rain poncho
- Insect repellent
- Travel first-aid kit
Frequently Asked Questions
- Is September a good time to visit Mexico (Yucatán)?
- September is not an optimal month for Mexico (Yucatán) (Score: 59/100), but it is manageable. For better conditions, consider January, February, March, April, November, and December.
- How warm is it in Mexico (Yucatán) in September?
- In September, Mexico (Yucatán) sees daily highs of 34°C (93°F). Nights cool to 24°C (75°F), with a daily average of 28°C (82°F). Peaks reach around 36°C (97°F), the coldest nights around 22°C (72°F).
- How much rain falls in Mexico (Yucatán) in September?
- In September, Mexico (Yucatán) receives an average of 213 mm (8.4 in) of rain over 12 rain days. An umbrella may occasionally be needed.
- How many sunshine hours does Mexico (Yucatán) get in September?
- Mexico (Yucatán) averages 8 sunshine hours per day in September — close to the annual average.
- How warm is the water in Mexico (Yucatán) in September?
- Water temperature in Mexico (Yucatán) in September averages 30°C (86°F) — ideal for swimming and snorkelling.
