Monroe County (Rochester)
September
Weather in Monroe County, New York for September 2027
Your guide to Monroe County weather in September - trends and predictions
In general, the average temperature in Monroe County at the beginning of September is 25.5 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.9 °C by the end of September.
Monroe County experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 98.6 mm.
Is September a good time to visit Monroe County? check out the best time to travel to Monroe County page.
✨ Is September a good time to visit Monroe County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
24
Dry days
6
Rainy days
0
Snow days
23°/13°
Temperatures
16 km/h
Avg max wind
75 %
Avg humidity
Monroe County Weather September
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Temperatures trend during September in Monroe County
See the weather trend as well as the moving average line
September weather in Monroe County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Light rain | 26° /13° | 7.9 mm | 5 | |
| Sept. 2 | Light rain | 25° /14° | 3.1 mm | 5 | |
| Sept. 3 |  Sunny | 26° /15° | 0.2 mm | 6 | |
| Sept. 4 | Sunny | 26° /16° | 0.9 mm | 6 | |
| Sept. 5 | Sunny | 27° /14° | 0 mm | 7 | |
| Sept. 6 |  Thundery outbreaks possible | 26° /15° | 10.4 mm | 6 | |
| Sept. 7 | Light rain | 23° /12° | 9.1 mm | 6 | |
| Sept. 8 |  Overcast | 22° /11° | 0.1 mm | 5 | |
| Sept. 9 | Light rain | 22° /12° | 4.7 mm | 4 | |
| Sept. 10 |  Light rain shower | 22° /14° | 0.6 mm | 5 | |
| Sept. 11 | Overcast | 23° /13° | 0 mm | 5 | |
| Sept. 12 | Light rain | 25° /13° | 3.5 mm | 6 | |
| Sept. 13 | Patchy rain possible | 23° /15° | 1.6 mm | 5 | |
| Sept. 14 | Overcast | 22° /12° | 0.1 mm | 6 | |
| Sept. 15 | Patchy rain possible | 24° /12° | 1.5 mm | 5 | |
| Sept. 16 |  Cloudy | 23° /12° | 0.2 mm | 5 | |
| Sept. 17 | Patchy rain possible | 24° /13° | 0.2 mm | 4 | |
| Sept. 18 | Overcast | 23° /12° | 0.3 mm | 6 | |
| Sept. 19 | Overcast | 19° /12° | 0 mm | 4 | |
| Sept. 20 |  Mist | 21° /9° | 0.3 mm | 4 | |
| Sept. 21 | Mist | 20° /10° | 0.1 mm | 4 | |
| Sept. 22 | Overcast | 23° /10° | 0 mm | 5 | |
| Sept. 23 | Light rain | 20° /13° | 6.4 mm | 5 | |
| Sept. 24 | Cloudy | 20° /11° | 0 mm | 5 | |
| Sept. 25 |  Heavy rain | 21° /13° | 45.2 mm | 5 | |
| Sept. 26 | Patchy rain possible | 22° /14° | 1.4 mm | 4 | |
| Sept. 27 | Mist | 21° /11° | 0.4 mm | 4 | |
| Sept. 28 | Cloudy | 20° /13° | 0.1 mm | 4 | |
| Sept. 29 | Patchy rain possible | 22° /12° | 0.2 mm | 5 | |
| Sept. 30 | Overcast | 22° /13° | 0 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Monroe 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 Monroe County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Monroe County in September - FAQ
What are the expected maximum and minimum temperatures in Monroe County during September?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Monroe County during September?
Moderate rainfall is anticipated in Monroe County during September, with a total of 98.6 mm spread over approximately 6 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Monroe County during September?
The average wind speed in Monroe County during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Monroe County
Explore the daily rainfall trends and prepare for Monroe Countys September weather 💧
Typically, Monroe County has 6 rainy days in September with a total of 98.6 mm of rainfall.
UV exposure in Monroe County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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