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Weather in Tulum for September 2025

Your guide to Tulum weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Tulum is slightly cooler than the historical average by -0.6 °C.

  • The forecast for the next days in Tulum predicts temperatures to be around 30 °C, close to the historical average.

  • In general, the average temperature in Tulum at the beginning of September is 30.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 30 °C by the end of September.

    • Rain 🌧️

  • Tulum experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 300.3 mm.

Average dry days
6
Dry days
Average rainy days
24
Rainy days
Average snowy days
0
Snow days
Average temperatures
31°/26°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
79 %
Avg humidity

Tulum Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy light drizzle
31°
2
Thundery outbreaks possible
31°
3
Patchy light rain with thunder
30°
4
Light rain shower
31°
5
Patchy rain possible
31°
6
Patchy rain possible
31°
7
Patchy light rain with thunder
31°
8
Patchy light rain with thunder
30°
9
Patchy rain possible
31°
10
Patchy light rain with thunder
31°
11
Light rain shower
31°
12
Moderate or heavy rain shower
31°
13
Partly cloudy
31°
14
Sunny
31°
15
Moderate rain
30°
16
Moderate rain
30°
17
Moderate rain
31°
18
Patchy rain possible
31°
19
Sunny
32°
20
Patchy rain possible
30°
21
Patchy rain possible
29°
22
Patchy rain possible
28°
23
Moderate rain
28°
24
Patchy rain possible
29°
25
Patchy rain possible
30°
26
Patchy rain possible
32°
27
Patchy rain possible
31°
28
Light rain shower
30°
29
Light rain shower
29°
30
Light rain shower
29°

Temperatures trend during September in Tulum

See the weather trend as well as the moving average line

September weather in Tulum day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy light drizzle
Patchy light drizzle
 31° /26° 3.9 mm 7
2 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 31° /26° 5.5 mm 7
3 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 30° /26° 7.4 mm 7
4 Sept. Light rain shower
Light rain shower
 31° /26° 1.9 mm 7
5 Sept. Patchy rain possible
Patchy rain possible
 31° /26° 0.5 mm 7
6 Sept. Patchy rain possible
Patchy rain possible
 31° /26° 3.7 mm 7
7 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 31° /26° 4.9 mm 7
8 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 30° /26° 8.5 mm 7
9 Sept. Patchy rain possible
Patchy rain possible
 31° /26° 8.6 mm 7
10 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 31° /26° 3.2 mm 7
11 Sept. Light rain shower
Light rain shower
 31° /26° 1.9 mm 7
12 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /25° 21.2 mm 7
13 Sept. Partly cloudy
Partly cloudy
 31° /25° 3.2 mm 8
14 Sept. Sunny
Sunny
 31° /26° 0 mm 2.5
15 Sept. Moderate rain
Moderate rain
 30° /25° 11.1 mm 2.6
16 Sept. Moderate rain
Moderate rain
 30° /28° 5.6 mm 0.6
17 Sept. Moderate rain
Moderate rain
 31° /24° 5.9 mm 1.7
18 Sept. Patchy rain possible
Patchy rain possible
 31° /24° 1.7 mm 0
19 Sept. Sunny
Sunny
 32° /24° 0 mm 7
20 Sept. Patchy rain possible
Patchy rain possible
 30° /26° 1.9 mm 6
21 Sept. Patchy rain possible
Patchy rain possible
 29° /25° 3.4 mm 6
22 Sept. Patchy rain possible
Patchy rain possible
 28° /24° 2.8 mm 6
23 Sept. Moderate rain
Moderate rain
 28° /25° 7.6 mm 6
24 Sept. Patchy rain possible
Patchy rain possible
 29° /26° 4 mm 6
25 Sept. Patchy rain possible
Patchy rain possible
 30° /26° 2.9 mm 6
26 Sept. Patchy rain possible
Patchy rain possible
 32° /27° 0.2 mm 6
27 Sept. Patchy rain possible
Patchy rain possible
 31° /27° 0.4 mm 6
28 Sept. Light rain shower
Light rain shower
 30° /26° 10.1 mm 7
29 Sept. Light rain shower
Light rain shower
 29° /26° 10.7 mm 6
30 Sept. Light rain shower
Light rain shower
 29° /26° 39.1 mm 7
Next
Important Notice
Our weather forecast for Tulum 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 Tulum forecast closer to your planned date for the most up-to-date weather information.
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Tulum in September - FAQ

What are the expected maximum and minimum temperatures in Tulum during September?
During September, expect a variety of temperatures with highs around 31° and lows near 26°, suitable for diverse activities and preferences.
How much rainfall should be expected in Tulum during September?
Significant rainfall exceeding 300.3 mm is expected in Tulum during September, occurring over more than 24 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Tulum during September?
The average wind speed in Tulum during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

Tulum water temperatures in September

The average water temperature of the Caribbean Sea near Tulum in September is 28.5 °C. Temperatures remain fairly consistent throughout the month.

What is the water temperature in Tulum in September?
The average water temperature in Tulum in September is 28.5 °C.
Can you swim in Tulum in September?
The sea feels almost bath-like – perfect for floating, paddle-boarding or spending hours snorkeling without a wetsuit.

September rainfall patterns in Tulum

Explore the daily rainfall trends and prepare for Tulums September weather 💧

UV exposure in Tulum during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

Quick links

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Location coordinates Where is Tulum?

Get accurate weather forecasts for Tulum, located at latitude 20.212 and longitude -87.463. Stay updated with localized weather information tailored for Tulum.

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