September weather forecastManchester, KS
September
Weather in September
September, the first month of the autumn in Manchester, is also a moderately hot month, with an average temperature fluctuating between 61.2°F (16.2°C) and 81.1°F (27.3°C).Temperature
In Manchester, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's hot 88.3°F (31.3°C) to a moderately hot 81.1°F (27.3°C). Throughout the September nights, Manchester encounters a low-temperature of 61.2°F (16.2°C).Heat index
For most parts of September, the heat index is evaluated at 84.2°F (29°C). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly important for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Humidity
In September, the average relative humidity is 66%.Rainfall
In Manchester, in September, it is raining for 10.1 days, with typically 1.38" (35mm) of accumulated precipitation. In Manchester, during the entire year, the rain falls for 104.5 days and collects up to 18.58" (472mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:58 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:12 pm CDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 5 during September translates into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Manchester, KS
- Average high temperature in September: 81.1°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in September: 61.2°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in September
Manchester, 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
Manchester, KS
- Average wind speed in September: 9.8mph
The windiest month (with the highest average wind speed) is April (12mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).
Average humidity in September
Manchester, KS
- Average humidity in September: 66%
The month with the highest relative humidity is May (73%).
The months with the lowest relative humidity are July and October (63%).
Average rainfall in September
Manchester, KS
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in September
Manchester, KS
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (3.4 days).
Average snowfall in September
Manchester, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.44").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Manchester, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Manchester, 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 30min).
- Average sunshine in September: 8h and 54min
The months with the most sunshine are June and July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in September
Manchester, KS
- Average sunshine days in September: 18.1 days
The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is July (14.6 days).
Average UV index in September
Manchester, 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, November and December (UV index 2).
Average cloud cover in September
Manchester, KS
- Average cloud cover in September: 25
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is June (Cloud cover 21).
Average visibility in September
Manchester, 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).





