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Worcester (MA)
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Weather in Worcester, Massachusetts for September 2025

Your guide to Worcester weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Worcester is cooler than usual, with temperatures averaging 21 °F, this is -2.8 °F below the typical seasonal average.

  • The forecast for the next days in Worcester predicts temperatures to be around 24 °F, close to the historical average.

  • In general, the average temperature in Worcester at the beginning of September is 24.7 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 22.3 °F by the end of September.

    • Rain 🌧️

  • The climate of Worcester in September is notably wet, with an average of 15 rainy days, and a total of 206.3 mm of precipitation.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
15
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/13°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
77 %
Avg humidity

Worcester Weather September

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

Temperatures trend during September in Worcester

See the weather trend as well as the moving average line

September weather in Worcester day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Sunny
Sunny
 23° /14° 4.3 mm 5
Sept. 2 Overcast
Overcast
 24° /13° 0 mm 5
Sept. 3 Mist
Mist
 24° /12° 0 mm 6
Sept. 4 Mist
Mist
 25° /12° 0 mm 6
Sept. 5 Fog
Fog
 27° /15° 2.3 mm 6
Sept. 6 Cloudy
Cloudy
 26° /16° 0 mm 6
Sept. 7 Thundery outbreaks possible
Thundery outbreaks possible
 24° /14° 15.4 mm 5
Sept. 8 Patchy light rain with thunder
Patchy light rain with thunder
 23° /12° 0.8 mm 6
Sept. 9 Partly cloudy
Partly cloudy
 22° /14° 4.8 mm 6
Sept. 10 Light rain shower
Light rain shower
 23° /14° 4.4 mm 5
Sept. 11 Light rain shower
Light rain shower
 23° /12° 2.4 mm 5
Sept. 12 Partly cloudy
Partly cloudy
 23° /14° 11 mm 6
Sept. 13 Moderate or heavy rain shower
Moderate or heavy rain shower
 23° /14° 6.7 mm 6
Sept. 14 Mist
Mist
 24° /15° 0 mm 6
Sept. 15 Sunny
Sunny
 24° /15° 0 mm 1.4
Sept. 16 Partly cloudy
Partly cloudy
 21° /11° 0 mm 1.4
Sept. 17 Mist
Mist
 22° /9° 0 mm 1.2
Sept. 18 Sunny
Sunny
 28° /14° 0 mm 1.3
Sept. 19 Sunny
Sunny
 25° /12° 0 mm 0
Sept. 20 Sunny
Sunny
 19° /7° 0 mm 4
Sept. 21 Sunny
Sunny
 21° /6° 0 mm 4
Sept. 22 Sunny
Sunny
 23° /8° 0 mm 4
Sept. 23 Sunny
Sunny
 25° /10° 0 mm 5
Sept. 24 Patchy rain possible
Patchy rain possible
 23° /14° 0.7 mm 4
Sept. 25 Patchy rain possible
Patchy rain possible
 22° /14° 0.4 mm 4
Sept. 26 Overcast
Overcast
 24° /13° 0.1 mm 4
Sept. 27 Sunny
Sunny
 30° /12° 0 mm 6
Sept. 28 Sunny
Sunny
 24° /12° 0 mm 5
Sept. 29 Patchy rain possible
Patchy rain possible
 15° /10° 0.1 mm 4
Sept. 30 Mist
Mist
 18° /10° 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
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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 206.3 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 13 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 💧

UV exposure in Worcester during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

Quick links

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Location coordinates Where is Worcester?

Get accurate weather forecasts for Worcester, located at latitude 42.263 and longitude -71.802. Stay updated with localized weather information tailored for Worcester.

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