2026 Climate Averages

Weather: Monterrey — September

Conditions are pleasant for sightseeing, though you might encounter occasional showers.

👍 Climate Overview

September is a good time to visit Monterrey. Hot conditions with temperatures reaching 31°C—stay hydrated and seek shade. Being off-peak, you'll find better deals and fewer crowds.

8.2
GoTripzi Score Great

Based on weather comfort, crowds, prices, and activity options

Avg High

31°C

Avg Low

22°C

Rainy days

8days

Daylight

12.3h

Feels like 35°C / 25°C — humidity makes it feel warmer

Rainfall

62mm

Sunshine

10.5h/day

Humidity

67%

Muggy
Sun Strength

8

Very High
Wind

12 km/h (gusts 30)

Is September a good time to visit Monterrey?

Conditions are pleasant for sightseeing, though you might encounter occasional showers.

Now

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Feels like --
Wind --
Humidity --
UV Index --
Local time —

Air Quality

Travel Context

  • Crowds
    Moderate
  • Travel Costs Shoulder Rates

Daylight

Sunrise

06:28

Sunset

18:48

12.3h daylight

Visiting Monterrey in September: Pros & Cons

Pros

  • Abundant sunshine for beach and outdoor fun
  • Fewer crowds and better hotel deals

Cons

  • Very high UV — sunscreen and shade essential

Things to Do in September

Events & Festivals

🎊
Mexican Independence Day Celebrations
September 15–16 Holiday
🎭
Festival Internacional de Cine de Monterrey (FIC Monterrey)
Late September–early October (~1 week) Cultural

Recommended for This Weather

🌅 Early morning sightseeing (before the heat)
🥾 Hiking & nature trails
🍜 Food tours & culinary experiences
🎭 Cultural tours & local experiences

Monterrey Weather by Month

Month Avg High Avg Low Rain Sunshine Humidity UV Index Crowds Condition
Jan 20°C 10°C 6d (21mm) 8.9h
63% Moderate
5.8 High
Good
Feb 23°C 11°C 3d (21mm) 9.4h
62% Moderate
7.1 Very High
Good
Mar 27°C 15°C 5d (32mm) 10.3h
59% Moderate
8.6 Very High
Excellent
Apr 29°C 18°C 6d (43mm) 10.8h
65% Muggy
9.2 Very High
Excellent
May 32°C 22°C 8d (55mm) 11.5h
66% Muggy
9.5 Very High
Good
Jun 33°C 23°C 5d (64mm) 12.1h
65% Muggy
9.9 Very High
Good
Jul 33°C 23°C 5d (70mm) 11.5h
64% Moderate
9.4 Very High
Good
Aug 34°C 23°C 3d (12mm) 11.8h
60% Moderate
9.6 Very High
Good
Sep Current 31°C 22°C 8d (62mm) 10.5h
67% Muggy
8 Very High
Good
Oct 28°C 18°C 6d (49mm) 9.9h
67% Humid
7.2 Very High
Excellent
Nov 24°C 14°C 6d (45mm) 8.9h
72% Humid
5.8 High
Excellent
Dec 22°C 12°C 4d (23mm) 8.9h
67% Humid
5.6 High
Good

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Where to Stay

See hotels, apartments & rentals around Monterrey – live prices from Booking.com, Expedia, Vrbo and more

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Monterrey

Mexico's powerhouse northern capital where the jagged Cerro de la Silla towers over Latin America's most dynamic business city, canyon adventures wait an hour away, and the craft beer flows as freely as the cabrito.

View Full Destination Guide

What to Pack for September

Light, breathable fabrics like cotton and linen are essential. Opt for loose-fitting clothing in light colors to stay cool. Pack a compact umbrella or light rain jacket for occasional showers. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.

Warm Moderate

🎒Personalized Packing List

Tell us about your trip and we'll create a custom packing list based on the weather.

Your Packing List

📋Essentials
👕Clothing
👟Footwear
🎒Accessories
🧴Toiletries & Health

Planning a trip to Monterrey?

💰 Off-peak — great deals available now

Frequently Asked Questions

Is September a good time to visit Monterrey?
September is typically good for visiting Monterrey, with average highs of 31°C and around 8 rainy days. Plan your activities accordingly—outdoor sightseeing is best on dry days, while rainy days are perfect for museums and indoor attractions.
Does it get cold at night in Monterrey in September?
Nights stay pleasantly warm in Monterrey during September, around 22°C. Light evening wear is sufficient, and outdoor dining is very comfortable. Many locals and visitors enjoy late-night walks and outdoor activities after sunset.
What should I pack for Monterrey in September?
With highs of 31°C and lows of 22°C in September, we recommend: Compact umbrella, Lightweight breathable clothes, Sunscreen SPF 30+, Sun hat. Layering is key as temperatures can vary between air-conditioned interiors and outdoors. Comfortable walking shoes are essential for cobblestone streets.
Does it rain a lot in Monterrey in September?
Monterrey typically sees around 8 rainy days in September. Rain is usually in the form of brief showers rather than all-day downpours, so a compact umbrella is sufficient. Mornings tend to be drier, making them ideal for outdoor sightseeing.
How many hours of daylight are there in Monterrey in September?
In September, Monterrey gets approximately 12.3 hours of daylight per day. This affects how much sightseeing you can fit in—longer days mean more time for outdoor activities, while shorter days are perfect for cozy museum visits and early dinners.
Is September peak season in Monterrey?
No, September is not peak season in Monterrey. Expect better value on accommodation, shorter queues at attractions, and fewer tourists at popular spots. This is an excellent time to experience the city like a local and enjoy a more authentic atmosphere.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: America/Monterrey)

Last Updated: February 2026

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