Bridgeport, CT weather in September
September in Bridgeport: mild, with some rain. Highs 75°F, lows 60°F, rain on about 8 days. A good month for most outdoor plans.
- Normal high
- 75°F
- Normal low
- 60°F
- Wet days
- 8
- 4.0 in total
- Muggy days
- 7
- dew point 65°F+
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 80°F | 70°F |
| Normal low | 64°F | 54°F |
| Chance of a wet day | 27% | 30% |
| Sunrise / sunset | 6:19 am / 7:26 pm | 6:48 am / 6:37 pm |
| Daylight | 13.1 h | 11.8 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical September day
- 6 am62°Fdew point 56°F
- 9 am68°Fdew point 57°F
- Noon72°Fdew point 57°F
- 3 pm73°Fdew point 57°F
- 6 pm70°Fdew point 58°F
- 9 pm67°Fdew point 58°F
NOAA hourly normals (local standard time) from Bridgeport Sikorsky Mem Airport (4 mi away); average wind 9 mph; clear or few clouds in 58% of daytime hours, mostly cloudy or overcast in 34%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F15 of 30
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph6 of 30
- Hot dayshigh 90°F or more0 of 30
- Muggy daysdaily mean dew point 65°F or more7 of 30
- Wet daysat least 0.01 in of rain or melted snow8 of 30
- Notable rainat least 0.10 in6 of 30
- Freezing nightslow 32°F or below0 of 30
- Snow on the groundsnow depth 1 in or more0 of 30
Average days per September, counted from daily records for each year 1991-2020.
Rain in September
Normal precipitation is 4.0 in; a dry September brings about 2.4 in and a wet one about 5.8 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.
How September varies from year to year
- Warmest September, 1991-20202015: average high 80°F
- Coolest September1992: average high 72°F
- Wettest September2018: 8.6 in
- Driest September1997: 0.6 in
- Highest reading94°F (September 8, 2015)
- Lowest reading39°F (September 29, 2000)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
September compared with August and October
| August | September | October | |
|---|---|---|---|
| Normal high | 82°F | 75°F | 64°F |
| Normal low | 67°F | 60°F | 48°F |
| Wet days | 9 | 8 | 10 |
| Comfortable days | 6 | 15 | 12 |
| Daylight | 13.8 h | 12.5 h | 11.1 h |
Highs change by -7°F from August and -11°F into October.
Nearby alternatives in September
- Cooler: Nantucket, MA162 mi · high 70°F · 13 wet days
How Bridgeport ranks in September
- Normal high273rd warmest of 378 cities; 2nd of 5 in Connecticut
- Wet days203rd driest of 378
- Comfortable days79th most of 342
What to pack for Bridgeport in September
- A rain jacket or umbrella – rain on about 8 days
Heating and cooling
September has 45 heating degree days and 123 cooling degree days (base 65°F), 3% of the year's total heating and cooling demand.
Questions
How hot is Bridgeport in September?
The normal high is 75°F and the normal low is 60°F. From 1991 to 2020 the hottest September reading was 94°F (September 8, 2015).
Does it rain a lot in Bridgeport in September?
About 8 days in September have at least 0.01 in of precipitation, and the normal total is 4.0 in. The wettest September in 1991-2020 was in 2018 (8.6 in); the driest was in 1997 (0.6 in).
Is September a good time to visit Bridgeport?
September ranks 3rd of 12 months on our comfort score for Bridgeport (69 out of 100). It has about 15 comfortable days. The best months are May, June and September.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Bridgeport Sikorsky Mem Airport (USW00094702), 4.0 mi E of the city center, 5 ft . NOAA normals and daily records, 1991-2020.
- Cloud cover: Teterboro Airport (USW00094741), 50 mi WSW of the city center, 9 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Igor I Sikorsky Memorial Airport (725040-94702), 4.0 mi E of the city center, 6 ft . Hourly observations, 1991-2020.