Mild
Average highs are around 23°C, so days are mild rather than hot.
September verdict
Danbury, Connecticut, United States in September
Weather score57Good
Good for holiday weather
Average highs are around 23°C, so days are mild rather than hot. Sunshine averages 7.2h per day, enough for a balanced month. Rainfall averages 94mm, so some wet days are possible.
September weather
Monthly averages
Temp
23°C
Rain
94mm
Sun
7.2h
Sea
22°C
Weather score
57
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 94mm, so some wet days are possible.
Some sun
Sunshine averages 7.2h per day, enough for a balanced month.
Swimmable
Sea temperatures average 22°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Danbury, Connecticut, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September23°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
September94mm average rain
September is close to Danbury's usual rainfall pattern, with little seasonal change across the year.
Driest monthsAll year
Rainfall stays comparatively low through the year.
Sun
September7.2 hours average sun
September sits close to Danbury's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September22°C average sea
September is one of Danbury's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJune to October
Sea temperatures are usually near 19°C in this stretch, so swimming comfort is at its strongest.
Weather score
September57 weather score
September scores above Danbury's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
