September weather forecastHaven, KS
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Haven, Kansas, with an average temperature varying between 62.2°F (16.8°C) and 81.7°F (27.6°C).Temperature
A mild shift in the average high-temperature occurs in September, reducing from a hot 89.6°F (32°C) in August to a moderately hot 81.7°F (27.6°C). Throughout September, the nighttime temperature averages to a refreshing 62.2°F (16.8°C).Heat index
September's heat index is appraised at 84.2°F (29°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.Data suggests that the heat index is set for environments in shade and with a light wind. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
In Haven, the average relative humidity in September is 65%.Rainfall
In September, the rain falls for 10.7 days. Throughout September, 1.69" (43mm) of precipitation is accumulated. Throughout the year, there are 112.8 rainfall days, and 21.18" (538mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 7:01 am and sunset at 8:00 pm. On the last day of September, sunrise is at 7:26 am and sunset at 7:15 pm CDT.
Sunshine
In Haven, the average sunshine in September is 8.8h.UV index
In Haven, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 5 during September leads to these advisories:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Haven, KS
- Average high temperature in September: 81.7°F
The warmest month (with the highest average high temperature) is July (92.3°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in September: 62.2°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in September
Haven, KS
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Haven, KS
- Average wind speed in September: 10.4mph
The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is August (9.2mph).
Average humidity in September
Haven, KS
- Average humidity in September: 65%
The month with the highest relative humidity is May (71%).
The month with the lowest relative humidity is July (60%).
Average rainfall in September
Haven, KS
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in September
Haven, KS
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (3.7 days).
Average snowfall in September
Haven, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Haven, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Haven, KS
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 8h and 48min
The months with the most sunshine are June and July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in September
Haven, KS
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is November (22.7 days).
The months with the least sunshine days are April and May (13.8 days).
Average UV index in September
Haven, KS
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Haven, KS
- Average cloud cover in September: 25
The month with the most cloud cover is March (Cloud cover 38).
The months with the least cloud cover are June and August (Cloud cover 21).
Average visibility in September
Haven, 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).





