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Connecticut weather in September 2023
- 23°C max day temperature
23 - 7 hours of sunshine per day
- 9 days with some rainfall
9 - 11°C min night temperature
11 - 12 hours of daylight per day
12 - No heat & humidity
0 - 95 mm of monthly rainfall
95 - 6 (High) UV index
6
Below are average maximum temperatures at popular destinations in Connecticut in September. Select a destination to see more weather parameters.
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The September weather guide for Connecticut (Hartford) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in Connecticut in September?
Daytime temperatures usually reach 23°C in Hartford, Connecticut in September, falling to 11°C at night.
How sunny is it in Connecticut in September?
There are normally 7 hours of bright sunshine each day in Hartford, Connecticut in September - that's 59% of daylight hours.
Does it rain in Connecticut in September?
There are usually 9 days with some rain in Hartford, Connecticut in September and the average monthly rainfall is 95mm.
What is the chance of a hurricane in Connecticut in September?
On average less than 1 day in September in Hartford, Connecticut is likely to be affected by the passage of one or more tropical storms.
Connecticut September sunrise & sunset times
Browse the sunrise and sunset times for Connecticut in September 2023. Select a month to view Connecticut sunrise and sunset times for the next 12 months. The Connecticut sunrise and sunset times shown below are for Hartford.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st September 2023 | 06:16 | 19:24 |
| Friday, 15th September 2023 | 06:31 | 19:01 |
| Saturday, 30th September 2023 | 06:46 | 18:35 |
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