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Weather in Sinaloa for September 2025

Your guide to Sinaloa weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Sinaloa at the beginning of September is 29.6 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 31.9 °C by the end of September.

    • Rain 🌧️

  • Sinaloa in September brings notable rainfall, with an average of 16 rainy days and a total precipitation of 186.8 mm.

Average dry days
14
Dry days
Average rainy days
16
Rainy days
Average snowy days
0
Snow days
Average temperatures
31°/26°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
79 %
Avg humidity

Sinaloa Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Moderate rain at times
29°
2
Moderate rain at times
30°
3
Moderate or heavy rain shower
29°
4
Moderate or heavy rain shower
29°
5
Patchy rain possible
30°
6
Patchy rain possible
30°
7
Overcast
30°
8
Patchy rain possible
31°
9
Patchy rain possible
31°
10
Moderate or heavy rain shower
30°
11
Cloudy
30°
12
Moderate or heavy rain shower
30°
13
Moderate or heavy rain shower
30°
14
Heavy rain at times
30°
15
Sunny
30°
16
Sunny
30°
17
Overcast
29°
18
Overcast
30°
19
Overcast
29°
20
Patchy rain possible
31°
21
Cloudy
32°
22
Patchy rain possible
30°
23
Patchy rain possible
33°
24
Patchy rain possible
31°
25
Partly cloudy
33°
26
Patchy rain possible
32°
27
Overcast
32°
28
Moderate or heavy rain shower
33°
29
Moderate rain at times
30°
30
Partly cloudy
32°

Temperatures trend during September in Sinaloa

See the weather trend as well as the moving average line

September weather in Sinaloa day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Moderate rain at times
Moderate rain at times
 29° /25° 5.7 mm 6
2 Sept. Moderate rain at times
Moderate rain at times
 30° /26° 3.8 mm 7
3 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 29° /25° 2.6 mm 6
4 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 29° /26° 14 mm 6
5 Sept. Patchy rain possible
Patchy rain possible
 30° /26° 18.7 mm 7
6 Sept. Patchy rain possible
Patchy rain possible
 30° /26° 36.6 mm 7
7 Sept. Overcast
Overcast
 30° /26° 0 mm 7
8 Sept. Patchy rain possible
Patchy rain possible
 31° /27° 0.1 mm 7
9 Sept. Patchy rain possible
Patchy rain possible
 31° /26° 0.6 mm 7
10 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /25° 6.4 mm 7
11 Sept. Cloudy
Cloudy
 30° /26° 0 mm 7
12 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /26° 40.4 mm 7
13 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /26° 30.9 mm 7
14 Sept. Heavy rain at times
Heavy rain at times
 30° /25° 4.3 mm 7
15 Sept. Sunny
Sunny
 30° /25° 0 mm 8
16 Sept. Sunny
Sunny
 30° /23° 0 mm 7
17 Sept. Overcast
Overcast
 29° /22° 0 mm 6
18 Sept. Overcast
Overcast
 30° /22° 0 mm 7
19 Sept. Overcast
Overcast
 29° /24° 0 mm 6
20 Sept. Patchy rain possible
Patchy rain possible
 31° /25° 0.2 mm 7
21 Sept. Cloudy
Cloudy
 32° /26° 0 mm 7
22 Sept. Patchy rain possible
Patchy rain possible
 30° /26° 0.4 mm 7
23 Sept. Patchy rain possible
Patchy rain possible
 33° /26° 0.4 mm 7
24 Sept. Patchy rain possible
Patchy rain possible
 31° /26° 0.3 mm 7
25 Sept. Partly cloudy
Partly cloudy
 33° /26° 0 mm 8
26 Sept. Patchy rain possible
Patchy rain possible
 32° /26° 0.1 mm 7
27 Sept. Overcast
Overcast
 32° /26° 0 mm 7
28 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 33° /27° 18 mm 7
29 Sept. Moderate rain at times
Moderate rain at times
 30° /27° 3.3 mm 7
30 Sept. Partly cloudy
Partly cloudy
 32° /27° 0 mm 8
Next
Important Notice
Our weather forecast for Sinaloa 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 Sinaloa forecast closer to your planned date for the most up-to-date weather information.
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Sinaloa in September - FAQ

What are the expected maximum and minimum temperatures in Sinaloa 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 Sinaloa during September?
Significant rainfall exceeding 186.8 mm is expected in Sinaloa during September, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Sinaloa during September?
The average wind speed in Sinaloa during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Sinaloa

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

UV exposure in Sinaloa during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Mazatlán
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Get accurate weather forecasts for Sinaloa, located at latitude 23.233 and longitude -106.406. Stay updated with localized weather information tailored for Sinaloa.

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