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 onset of September, Windom's average high-temperature slightly adjusts, moderately receding from August's hot 89.1°F (31.7°C) to a moderately hot 81.3°F (27.4°C). The average temperature in Windom, Kansas, during September nights dips to a refreshing 61.9°F (16.6°C).Heat index
Throughout September, the heat index is evaluated at 84.2°F (29°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.In terms of the heat index, values are set with light wind and shade conditions in mind. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
The average relative humidity in September is 66%.Rainfall
In September, the rain falls for 12.4 days. Throughout September, 2.13" (54mm) of precipitation is accumulated. Throughout the year, in Windom, there are 123.7 rainfall days, and 23.31" (592mm) of precipitation is accumulated.Snowfall
In Windom, 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 September in Windom, sunrise is at 7:01 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:15 pm CDT.
Sunshine
In Windom, the average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In September, a regular UV index of 5 translates into these guidelines:
Put precautions into practice - Protective measures against sun-induced damage are advised. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Windom?
What is the average humidity in September in Windom?
How many days does it rain in September in Windom?
When it does not snow in Windom?
Does it snow in Windom in September?
What is the average length of the day in September in Windom?
When is the sunrise / sunset in September in Windom?
How long on average sun shines in September in Windom?
What is the UV index intensity in September in Windom?
Average temperature in September
Windom, KS
- Average high temperature in September: 81.3°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (41.4°F).
- Average low temperature in September: 61.9°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in September
Windom, 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
Windom, KS
- Average wind speed in September: 10.3mph
The windiest month (with the highest average wind speed) is April (12.7mph).
The calmest month (with the lowest average wind speed) is August (9.1mph).
Average humidity in September
Windom, KS
- Average humidity in September: 66%
The month with the highest relative humidity is May (72%).
The month with the lowest relative humidity is July (61%).
Average rainfall in September
Windom, KS
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in September
Windom, KS
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in September
Windom, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Windom, 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
Windom, 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 30min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The months with the least sunshine are January and December (Average sunshine: 6h and 6min).
Average sunshine days in September
Windom, KS
- Average sunshine days in September: 15 days
The month with the most sunshine days is January (22.4 days).
The month with the least sunshine days is May (12 days).
Average UV index in September
Windom, 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
Windom, KS
- Average cloud cover in September: 25
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is June (Cloud cover 21).
Average visibility in September
Windom, 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).
Windom, Kansas, USA
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