Fairfield County (Bridgeport)
September
Weather in Fairfield County, Connecticut for September 2027
Your guide to Fairfield County weather in September - trends and predictions
In general, the average temperature in Fairfield County at the beginning of September is 24.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.4 °C by the end of September.
Fairfield County experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 225.9 mm.
Is September a good time to visit Fairfield County? check out the best time to travel to Fairfield County page.
✨ Is September a good time to visit Fairfield County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
20
Dry days
10
Rainy days
0
Snow days
22°/16°
Temperatures
17 km/h
Avg max wind
75 %
Avg humidity
Fairfield County Weather September
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Temperatures trend during September in Fairfield County
See the weather trend as well as the moving average line
September weather in Fairfield County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Light rain | 24° /18° | 9.6 mm | 5 | |
| Sept. 2 |  Partly cloudy | 24° /17° | 0 mm | 5 | |
| Sept. 3 |  Patchy rain possible | 25° /17° | 1 mm | 5 | |
| Sept. 4 | Patchy rain possible | 25° /18° | 1.7 mm | 6 | |
| Sept. 5 |  Moderate rain | 26° /18° | 21 mm | 7 | |
| Sept. 6 | Light rain | 25° /18° | 9.4 mm | 6 | |
| Sept. 7 | Moderate rain | 24° /15° | 10.1 mm | 6 | |
| Sept. 8 | Patchy rain possible | 25° /14° | 1.2 mm | 6 | |
| Sept. 9 |  Patchy light rain with thunder | 25° /16° | 1.9 mm | 5 | |
| Sept. 10 | Light rain | 26° /19° | 2.5 mm | 5 | |
| Sept. 11 | Patchy rain possible | 25° /17° | 1.4 mm | 7 | |
| Sept. 12 | Partly cloudy | 23° /16° | 0.5 mm | 6 | |
| Sept. 13 |  Heavy rain | 23° /18° | 51.1 mm | 5 | |
| Sept. 14 |  Cloudy | 23° /17° | 0 mm | 6 | |
| Sept. 15 |  Overcast | 21° /14° | 0 mm | 6 | |
| Sept. 16 | Overcast | 22° /15° | 0 mm | 5 | |
| Sept. 17 | Cloudy | 22° /16° | 0.9 mm | 5 | |
| Sept. 18 | Moderate rain | 22° /17° | 22.9 mm | 5 | |
| Sept. 19 | Overcast | 22° /17° | 0.3 mm | 5 | |
| Sept. 20 | Light rain | 20° /15° | 5.1 mm | 5 | |
| Sept. 21 | Overcast | 21° /15° | 0.8 mm | 5 | |
| Sept. 22 | Overcast | 20° /14° | 0 mm | 4 | |
| Sept. 23 | Moderate rain | 20° /14° | 14.8 mm | 4 | |
| Sept. 24 | Light rain shower | 20° /14° | 0.5 mm | 5 | |
| Sept. 25 | Moderate rain | 19° /15° | 23.1 mm | 4 | |
| Sept. 26 | Moderate rain | 20° /15° | 17.3 mm | 4 | |
| Sept. 27 | Light rain | 20° /14° | 7.1 mm | 4 | |
| Sept. 28 | Moderate rain | 19° /14° | 18.2 mm | 4 | |
| Sept. 29 | Patchy rain possible | 19° /15° | 1.6 mm | 4 | |
| Sept. 30 | Patchy rain possible | 21° /15° | 2.1 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Fairfield 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 Fairfield County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Fairfield County in September - FAQ
What are the expected maximum and minimum temperatures in Fairfield County during September?
During September, expect a variety of temperatures with highs around 22° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Fairfield County during September?
Significant rainfall exceeding 225.9 mm is expected in Fairfield 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 Fairfield County during September?
The average wind speed in Fairfield County during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Fairfield County
Explore the daily rainfall trends and prepare for Fairfield Countys September weather 💧
Typically, Fairfield County has 10 rainy days in September with a total of 225.9 mm of rainfall.
UV exposure in Fairfield County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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