Hartford - Recent September Temperatures and Rainfall





The numbers here describe what the September weather in Hartford, Connecticut was like for every year since 2010. A series of tables gives September data by year for temperature and precipitation.

They begin with average maximum and minimum temperatures in degrees Fahrenheit and Celsius. That's followed by how many really hot days occurred each September. Then there's information on how much rain actually landed this month during recent years, as well as how often Hartford had wet weather.

The climate data come from weather measurements made at Bradley International Airport near Hartford.

Temperature Weather iconTemperature

September temperature averages by year in Hartford
High °F Low °F Year High °C Low °C
76 59 2018 24 15
78 57 2017 26 14
78 56 2016 26 13
82 56 2015 28 13
77 54 2014 25 12
75 51 2013 24 10
75 54 2012 24 12
77 58 2011 25 15
79 56 2010 26 14
Number of days in September when the temperature in Hartford rose to at least 70 or 90 degrees Fahrenheit
Year 70 °F
21 °C
90 °F
32 °C
2018 22 4
2017 26 2
2016 25 3
2015 29 5
2014 23 3
2013 25 1
2012 24 0
2011 23 0
2010 28 3

Rainy Weather iconRain

This table gives the total precipitation that fell on Hartford during September in each year from 2010. The number of days with precipitation counts the days when rainfall amounted to 0.01 inches (0.3 millimeters) or more.

Total rainfall for September in Hartford
Days Year Inches Milli­metres
11 2018 6.3 161
8 2017 2.3 57
10 2016 2.4 61
6 2015 4.8 121
8 2014 1.6 41
9 2013 3.6 91
13 2012 4.6 116
13 2011 9.7 245
7 2010 2.6 65
Reference

Jay Lawrimore. 2016. Global Summary of the Month, Version 1.0. NOAA National Centers for Environmental Information. 

Hartford - Recent Years
Hartford - Extremes
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