September weather forecastSpeed, KS
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Speed, Kansas, with an average temperature ranging between min 59.9°F (15.5°C) and max 81°F (27.2°C).Temperature
September brings a slight decrease in the average high-temperature, shifting from a hot 89.1°F (31.7°C) in August to a warm 81°F (27.2°C). September brings Speed a consistent average low-temperature of 59.9°F (15.5°C).Heat index
September's heat index is appraised at 82.4°F (28°C). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.Understand that the heat index values take into account shaded locations and mild winds. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
In Speed, the average relative humidity in September is 59%.Rainfall
In September, the rain falls for 11.1 days. Throughout September, 1.34" (34mm) of precipitation is accumulated. In Speed, during the entire year, the rain falls for 115.9 days and collects up to 19.25" (489mm) of precipitation.Snowfall
In Speed, snow does not fall in June through September.Daylight
In Speed, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 7:06 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:21 pm CDT.
Sunshine
In Speed, Kansas, the average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Be vigilant - Preventing sunburn is recommended. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Speed, KS
- Average high temperature in September: 81°F
The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (39.2°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in September
Speed, KS
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Speed, KS
- Average wind speed in September: 10.2mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.1mph).
Average humidity in September
Speed, KS
- Average humidity in September: 59%
The month with the highest relative humidity is January (70%).
The month with the lowest relative humidity is July (56%).
Average rainfall in September
Speed, KS
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in September
Speed, KS
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in September
Speed, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Speed, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Speed, KS
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The months with the least sunshine are January and December (Average sunshine: 6h and 6min).
Average sunshine days in September
Speed, KS
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is December (23 days).
The month with the least sunshine days is May (12.2 days).
Average UV index in September
Speed, 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
Speed, KS
- Average cloud cover in September: 23
The month with the most cloud cover is February (Cloud cover 36).
The months with the least cloud cover are June and July (Cloud cover 21).
Average visibility in September
Speed, 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).





