Saint Mary's County (California)
September
Weather in Saint Mary's County, Maryland for September 2027
Your guide to Saint Mary's County weather in September - trends and predictions
Saint Mary's County experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 104.4 mm.
Is September a good time to visit Saint Mary's County? check out the best time to travel to Saint Mary's County page.
✨ Is September a good time to visit Saint Mary's County? – Ask the AI Weatherman
Rain 🌧️
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20
Dry days
10
Rainy days
0
Snow days
25°/19°
Temperatures
19 km/h
Avg max wind
77 %
Avg humidity
Saint Mary's County Weather September
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Temperatures trend during September in Saint Mary's County
See the weather trend as well as the moving average line
September weather in Saint Mary's County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Partly cloudy | 30° /20° | 0 mm | 8 | |
| Sept. 2 |  Sunny | 29° /21° | 0 mm | 8 | |
| Sept. 3 | Partly cloudy | 31° /20° | 0 mm | 8 | |
| Sept. 4 |  Moderate rain | 30° /21° | 11.2 mm | 8 | |
| Sept. 5 |  Patchy rain possible | 28° /22° | 1.9 mm | 6 | |
| Sept. 6 |  Light rain | 28° /20° | 6.3 mm | 8 | |
| Sept. 7 | Patchy rain possible | 25° /18° | 2.2 mm | 7 | |
| Sept. 8 | Sunny | 27° /17° | 0 mm | 7 | |
| Sept. 9 |  Overcast | 27° /18° | 0 mm | 5 | |
| Sept. 10 | Overcast | 27° /21° | 0.1 mm | 6 | |
| Sept. 11 |  Cloudy | 26° /20° | 0.6 mm | 5 | |
| Sept. 12 | Light rain | 26° /20° | 3.3 mm | 5 | |
| Sept. 13 | Light rain | 26° /21° | 5.2 mm | 4 | |
| Sept. 14 |  Mist | 26° /19° | 0.1 mm | 7 | |
| Sept. 15 | Partly cloudy | 25° /17° | 0 mm | 7 | |
| Sept. 16 |  Moderate or heavy rain shower | 24° /17° | 6.5 mm | 6 | |
| Sept. 17 | Light rain | 25° /19° | 3.9 mm | 6 | |
| Sept. 18 | Moderate rain | 27° /20° | 7.1 mm | 5 | |
| Sept. 19 | Sunny | 27° /20° | 0.4 mm | 6 | |
| Sept. 20 | Light rain | 26° /21° | 3.6 mm | 5 | |
| Sept. 21 | Light rain | 24° /19° | 4.2 mm | 4 | |
| Sept. 22 | Light rain | 22° /18° | 8.5 mm | 3 | |
| Sept. 23 | Moderate rain | 21° /17° | 13.7 mm | 3 | |
| Sept. 24 | Partly cloudy | 22° /18° | 0.1 mm | 4 | |
| Sept. 25 | Patchy rain possible | 24° /18° | 1.5 mm | 4 | |
| Sept. 26 | Moderate rain | 21° /18° | 19 mm | 3 | |
| Sept. 27 | Light rain | 20° /17° | 4 mm | 3 | |
| Sept. 28 | Patchy rain possible | 22° /17° | 1.1 mm | 3 | |
| Sept. 29 | Fog | 23° /18° | 0.1 mm | 4 | |
| Sept. 30 | Overcast | 24° /18° | 0 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Saint Mary's County 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 Mary's County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Saint Mary's County in September - FAQ
What are the expected maximum and minimum temperatures in Saint Mary's County during September?
During September, expect a variety of temperatures with highs around 25° and lows near 19°, suitable for diverse activities and preferences.
How much rainfall should be expected in Saint Mary's County during September?
Significant rainfall exceeding 104.4 mm is expected in Saint Mary's County during September, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Saint Mary's County during September?
The average wind speed in Saint Mary's County during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Saint Mary's County
Explore the daily rainfall trends and prepare for Saint Mary's Countys September weather 💧
Typically, Saint Mary's County has 10 rainy days in September with a total of 104.4 mm of rainfall.
UV exposure in Saint Mary's County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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