September weather forecastHaddam, KS
September
Weather in September
September, the first month of the autumn in Haddam, is still a warm month, with temperature in the range of an average high of 79°F (26.1°C) and an average low of 59°F (15°C).Temperature
During the shift to September, Haddam records a mild decrease in average high-temperature, moving from a tropical 86.7°F (30.4°C) in August to a warm 79°F (26.1°C). In September, Haddam reports a consistent average low-temperature of 59°F (15°C) during the nights.Humidity
In Haddam, the average relative humidity in September is 67%.Rainfall
In Haddam, during September, the rain falls for 11.9 days and regularly aggregates up to 2.05" (52mm) of precipitation. In Haddam, during the entire year, the rain falls for 120.4 days and collects up to 23.54" (598mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Haddam, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:57 am and sunset at 8:00 pm. On the last day of September, in Haddam, sunrise is at 7:25 am and sunset at 7:12 pm CDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
In Haddam, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In September, the UV index of 5 transforms into the following advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. To guard against the harmful effects of the Sun, minimize exposure during midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Haddam, KS
- Average high temperature in September: 79°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in September: 59°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in September
Haddam, KS
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Haddam, KS
- Average wind speed in September: 9.6mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is August (8.4mph).
Average humidity in September
Haddam, KS
- Average humidity in September: 67%
The month with the highest relative humidity is January (73%).
The month with the lowest relative humidity is October (63%).
Average rainfall in September
Haddam, KS
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is May (3.86").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in September
Haddam, KS
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (3.4 days).
Average snowfall in September
Haddam, KS
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Haddam, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Haddam, KS
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 42min).
Average sunshine days in September
Haddam, KS
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in September
Haddam, KS
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Haddam, KS
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 40).
The months with the least cloud cover are June and July (Cloud cover 24).
Average visibility in September
Haddam, KS
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
