Saint Paul (MN)
September
Weather in Saint Paul, Minnesota for September 2026
Your guide to Saint Paul weather in September - trends and predictions
In general, the average temperature in Saint Paul at the beginning of September is 25.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 24.6 °C by the end of September.
Saint Paul in September brings notable rainfall, with an average of 19 rainy days and a total precipitation of 113.4 mm.
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Temperatures
Rain 🌧️
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11
Dry days
19
Rainy days
0
Snow days
25°/14°
Temperatures
17 km/h
Avg max wind
67 %
Avg humidity
Saint Paul Weather September
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Temperatures trend during September in Saint Paul
See the weather trend as well as the moving average line
September weather in Saint Paul day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Cloudy | 27° /13° | 0 mm | 6 | |
| Sept. 2 |  Thundery outbreaks possible | 30° /15° | 2.5 mm | 7 | |
| Sept. 3 |  Partly cloudy | 29° /16° | 9.7 mm | 7 | |
| Sept. 4 | Partly cloudy | 27° /14° | 8.1 mm | 7 | |
| Sept. 5 |  Light rain shower | 25° /14° | 4.3 mm | 6 | |
| Sept. 6 | Light rain shower | 19° /11° | 1 mm | 4 | |
| Sept. 7 |  Sunny | 21° /9° | 0 mm | 5 | |
| Sept. 8 | Cloudy | 26° /9° | 0 mm | 6 | |
| Sept. 9 | Cloudy | 27° /14° | 10.9 mm | 6 | |
| Sept. 10 |  Mist | 25° /15° | 0.3 mm | 6 | |
| Sept. 11 | Thundery outbreaks possible | 25° /14° | 0 mm | 6 | |
| Sept. 12 | Thundery outbreaks possible | 26° /13° | 6.2 mm | 6 | |
| Sept. 13 | Mist | 26° /12° | 0 mm | 6 | |
| Sept. 14 |  Overcast | 30° /15° | 0.8 mm | 7 | |
| Sept. 15 |  Moderate rain | 28° /17° | 2.6 mm | 6 | |
| Sept. 16 | Partly cloudy | 29° /17° | 2.3 mm | 7 | |
| Sept. 17 | Overcast | 28° /16° | 10.3 mm | 6 | |
| Sept. 18 | Sunny | 27° /15° | 1 mm | 7 | |
| Sept. 19 | Thundery outbreaks possible | 26° /16° | 10.9 mm | 6 | |
| Sept. 20 | Fog | 27° /16° | 15.6 mm | 6 | |
| Sept. 21 | Patchy rain possible | 27° /16° | 0 mm | 6 | |
| Sept. 22 | Overcast | 23° /12° | 0.4 mm | 5 | |
| Sept. 23 | Patchy rain possible | 23° /13° | 1.1 mm | 5 | |
| Sept. 24 | Patchy rain possible | 21° /11° | 15.1 mm | 5 | |
| Sept. 25 | Light rain shower | 24° /13° | 2.1 mm | 5 | |
| Sept. 26 | Light rain shower | 22° /14° | 2.8 mm | 5 | |
| Sept. 27 |  Light rain | 25° /13° | 0.4 mm | 6 | |
| Sept. 28 | Patchy rain possible | 25° /13° | 0 mm | 5 | |
| Sept. 29 | Light rain shower | 28° /12° | 1.8 mm | 7 | |
| Sept. 30 |  Moderate rain at times | 27° /15° | 3 mm | 6 | |
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Important Notice
Our weather forecast for Saint Paul 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 Saint Paul forecast closer to your planned date for the most up-to-date weather information.
Change Month
Saint Paul in September - FAQ
What are the expected maximum and minimum temperatures in Saint Paul during September?
Enjoy moderate daytime temperatures of up to 25° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Saint Paul during September?
Significant rainfall exceeding 113.4 mm is expected in Saint Paul during September, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Saint Paul during September?
The average wind speed in Saint Paul during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Saint Paul
Explore the daily rainfall trends and prepare for Saint Pauls September weather 💧
Typically, Saint Paul has 19 rainy days in September with a total of 113.4 mm of rainfall.
UV exposure in Saint Paul during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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