Connecticut
September
Weather in Connecticut for September 2024
Your guide to Connecticut weather in September - trends and predictions
Until now, September 2024 in Connecticut is cooler than usual, with temperatures averaging 22.7 °F, this is -2.2 °F below the typical seasonal average.
The forecast for the next days in Connecticut predicts temperatures to be around 22 °F, close to the historical average.
In general, the average temperature in Connecticut at the beginning of September is 25.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22.7 °F by the end of September.
The climate of Connecticut in September is notably wet, with an average of 14 rainy days.
- New! Chat with our AI weatherman - it’s amazing and free.
16
Dry days
14
Rainy days
0
Snow days
23°/16°
Temperatures
18 km/h
Avg max wind
75 %
Avg humidity
Connecticut in September average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  25° | ||||||
| 2  25° | 3 26° | 4 26° | 5  26° | 6 27° | 7 26° | 8  25° |
| 9  25° | 10 26° | 11 24° | 12  24° | 13  24° | 14  24° | 15 22° |
| 16 23° | 17 22° | 18 23° | 19  21° | 20 19° | 21 21° | 22 19° |
| 23 20° | 24 19° | 25 22° | 26 24° | 27  22° | 28 25° | 29 22° |
| 30 25° |
You can click on date
Access Connecticut weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during September in Connecticut
See the weather trend as well as the moving average line
September weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 | Sunny | 25° /17° | 1.5 mm | 6 | |
| Sept. 2 | Partly cloudy | 25° /16° | 0 mm | 7 | |
| Sept. 3 | Sunny | 26° /15° | 0 mm | 7 | |
| Sept. 4 | Partly cloudy | 26° /17° | 0 mm | 7 | |
| Sept. 5 | Overcast | 26° /17° | 0 mm | 7 | |
| Sept. 6 | Partly cloudy | 27° /18° | 0 mm | 7 | |
| Sept. 7 | Sunny | 26° /18° | 3 mm | 7 | |
| Sept. 8 | Light rain shower | 25° /16° | 2.4 mm | 6 | |
| Sept. 9 | Patchy light rain with thunder | 25° /17° | 3.1 mm | 6 | |
| Sept. 10 | Light rain shower | 26° /19° | 4.6 mm | 6 | |
| Sept. 11 | Patchy rain possible | 24° /16° | 2.8 mm | 6 | |
| Sept. 12 | Mist | 24° /17° | 0.9 mm | 6 | |
| Sept. 13 | Moderate or heavy rain shower | 24° /16° | 31.2 mm | 6 | |
| Sept. 14 | Cloudy | 24° /17° | 0 mm | 6 | |
| Sept. 15 | Overcast | 22° /15° | 0 mm | 6 | |
| Sept. 16 | Overcast | 23° /14° | 0 mm | 5 | |
| Sept. 17 | Cloudy | 22° /15° | 0.6 mm | 5 | |
| Sept. 18 | Overcast | 23° /15° | 0 mm | 3 | |
| Sept. 19 | Heavy rain | 21° /18° | 41.9 mm | 4 | |
| Sept. 20 | Heavy rain | 19° /18° | 37.9 mm | 2 | |
| Sept. 21 | Patchy rain possible | 21° /16° | 0.2 mm | 1 | |
| Sept. 22 | Patchy rain possible | 19° /13° | 1.4 mm | 4 | |
| Sept. 23 | Sunny | 20° /11° | 0 mm | 4 | |
| Sept. 24 | Sunny | 19° /13° | 0 mm | 5 | |
| Sept. 25 | Partly cloudy | 22° /14° | 0 mm | 5 | |
| Sept. 26 | Patchy rain possible | 24° /18° | 0.2 mm | 5 | |
| Sept. 27 | Moderate rain | 22° /19° | 12.2 mm | 5 | |
| Sept. 28 | Moderate rain | 25° /18° | 12.9 mm | 5 | |
| Sept. 29 | Sunny | 22° /15° | 0 mm | 5 | |
| Sept. 30 | Sunny | 25° /16° | 0 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Connecticut 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 Connecticut forecast closer to your planned date for the most up-to-date weather information.
Connecticut in September - FAQ
What are the expected maximum and minimum temperatures in Connecticut during September?
During September, expect a variety of temperatures with highs around 23° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Connecticut during September?
Significant rainfall exceeding 273.6 mm is expected in Connecticut during September, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Connecticut during September?
The average wind speed in Connecticut during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
Provinces in Connecticut
Select a province for an accurate weather forecast
Top locations in Connecticut
Select a location for an accurate weather forecast
More Locations Quick links
You are here
Where is Connecticut?Get accurate weather forecasts for Connecticut, located at latitude 41.179 and longitude -73.189. Stay updated with localized weather information tailored for Connecticut.
Found a mistake?
We appreciate your attention to details. Tell us here.