September weather forecastKirwin, KS
September
Weather in September
September, the first month of the autumn in Kirwin, is still a warm month, with an average temperature ranging between max 81°F (27.2°C) and min 59.9°F (15.5°C).Temperature
September's onset introduces a mild reduction in the average high-temperature, from a hot 89.1°F (31.7°C) in August to a moderately hot 81°F (27.2°C). In the month of September, an average of 59.9°F (15.5°C) marks the low-temperature.Heat index
During September, the heat index is estimated at 82.4°F (28°C). If one endures exposure and continues to be active, it might result in tiredness and heat cramps.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', evaluates the perceived heat by adding the effect of moisture in the air. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
The average relative humidity in September is 59%.Rainfall
In Kirwin, in September, it is raining for 11.1 days, with typically 1.34" (34mm) of accumulated precipitation. Throughout the year, there are 115.9 rainfall days, and 19.25" (489mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Kirwin, Kansas.Daylight
In September, the average length of the day in Kirwin is 12h and 26min.On the first day of the month, sunrise is at 7:05 am and sunset at 8:07 pm. On the last day of September, sunrise is at 7:32 am and sunset at 7:19 pm CDT.
Sunshine
The average sunshine in September in Kirwin 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 health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 5 during September leads to these advisories:
Undertake precautions - Guarding against sun damage is counselled. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kirwin, 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
Kirwin, 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
Kirwin, 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
Kirwin, 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
Kirwin, 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
Kirwin, 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
Kirwin, 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
Kirwin, 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
Kirwin, 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
Kirwin, 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
Kirwin, 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
Kirwin, 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
Kirwin, 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).
