Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
With the commencement of September, Haven records a moderate temperature decline, with the average high easing from August's hot 89.6°F (32°C) to a warm 81.7°F (27.6°C). Nighttime temperatures in September average to a comfortable 62.2°F (16.8°C) in Haven, Kansas.Heat index
For most parts of September, the heat index is appraised at 84.2°F (29°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.Heat index evaluations are typically in the context of light winds and shaded environments. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
In September, the average relative humidity is 65%.Rainfall
In Haven, Kansas, during September, the rain falls for 10.7 days and regularly aggregates up to 1.69" (43mm) of precipitation. Throughout the year, in Haven, there are 112.8 rainfall days, and 21.18" (538mm) of precipitation is accumulated.Snowfall
In Haven, snow does not fall in June through September.Daylight
The average length of the day in September 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
The average sunshine in September in Haven, Kansas, is 8.8h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 5 during September translates into these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What are the temperatures in Haven in September?
What is the average humidity in September in Haven?
How much does it rain in Haven in September?
When it does not snow in Haven?
Does it snow in Haven in September?
How many hours of daylight does Haven have in September?
When are sunrise and sunset in September in Haven?
How long on average sun shines in September in Haven?
What is the UV index intensity in September in Haven?
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 2min
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 5min
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).
Haven, Kansas, USA
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