Worcester (MA)
September
Weather in Worcester, Massachusetts for September 2026
Your guide to Worcester weather in September - trends and predictions
Until now, September 2026 in Worcester is slightly cooler than the historical average by 0.6 °F.
The forecast for the next days in Worcester predicts a temperature of 19.3 °F, which is cooler than the historical average.
In general, the average temperature in Worcester at the beginning of September is 24.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18 °F by the end of September.
The climate of Worcester in September is notably wet, with an average of 15 rainy days, and a total of 166.5 mm of precipitation.
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Temperatures
Rain 🌧️
More
15
Dry days
15
Rainy days
0
Snow days
21°/13°
Temperatures
12 km/h
Avg max wind
76 %
Avg humidity
Worcester Weather September
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Temperatures trend during September in Worcester
See the weather trend as well as the moving average line
September weather in Worcester day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 22° /14° | 96.4 mm | 4 | |
| Sept. 2 |  Overcast | 23° /13° | 0 mm | 5 | |
| Sept. 3 |  Mist | 25° /13° | 6.2 mm | 5 | |
| Sept. 4 | Mist | 26° /14° | 0 mm | 6 | |
| Sept. 5 | Sunny | 26° /15° | 2.7 mm | 7 | |
| Sept. 6 |  Cloudy | 24° /15° | 8.8 mm | 5 | |
| Sept. 7 |  Thundery outbreaks possible | 24° /13° | 11.5 mm | 6 | |
| Sept. 8 | Sunny | 24° /13° | 0.6 mm | 6 | |
| Sept. 9 |  Partly cloudy | 23° /14° | 4 mm | 5 | |
| Sept. 10 |  Light rain shower | 24° /15° | 3.7 mm | 4 | |
| Sept. 11 | Light rain shower | 23° /12° | 1.8 mm | 6 | |
| Sept. 12 | Partly cloudy | 23° /13° | 8.2 mm | 6 | |
| Sept. 13 |  Moderate or heavy rain shower | 22° /14° | 19.3 mm | 5 | |
| Sept. 14 | Mist | 24° /15° | 0 mm | 6 | |
| Sept. 15 | Sunny | 20° /8° | 0 mm | 6.2 | |
| Sept. 16 | Overcast | 25° /11° | 0 mm | 6.2 | |
| Sept. 17 | Overcast | 23° /17° | 0.4 mm | 5 | |
| Sept. 18 | Sunny | 25° /13° | 0.9 mm | 6 | |
| Sept. 19 | Overcast | 20° /9° | 0 mm | 6 | |
| Sept. 20 | Patchy rain possible | 20° /12° | 26.3 mm | 4 | |
| Sept. 21 | Overcast | 21° /10° | 0 mm | 5 | |
| Sept. 22 | Mist | 12° /9° | 11.3 mm | 3 | |
| Sept. 23 | Fog | 16° /7° | 0 mm | 5 | |
| Sept. 24 | Overcast | 17° /5° | 0 mm | 5 | |
| Sept. 25 | Patchy rain possible | 17° /10° | 4.8 mm | 4 | |
| Sept. 26 | Light rain shower | 18° /14° | 35.1 mm | 4 | |
| Sept. 27 | Overcast | 17° /11° | 2.2 mm | 5 | |
| Sept. 28 | Mist | 20° /12° | 0 mm | 4 | |
| Sept. 29 | Patchy rain possible | 18° /12° | 0.1 mm | 4 | |
| Sept. 30 | Mist | 19° /12° | 0 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Worcester 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 Worcester forecast closer to your planned date for the most up-to-date weather information.
Change Month
Worcester in September - FAQ
What are the expected maximum and minimum temperatures in Worcester during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Worcester during September?
Significant rainfall exceeding 166.5 mm is expected in Worcester during September, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Worcester during September?
The average wind speed in Worcester during September is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Worcester
Explore the daily rainfall trends and prepare for Worcesters September weather 💧
Typically, Worcester has 15 rainy days in September with a total of 166.5 mm of rainfall.
UV exposure in Worcester during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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