September weather forecast
Sterling, KS

Weather in September

September, the first month of the autumn in Sterling, is still a warm month, with an average temperature varying between 62.1°F (16.7°C) and 81.5°F (27.5°C).

Temperature

In September, the average high-temperature slightly decreases from a hot 89.6°F (32°C) in August to a warm 81.5°F (27.5°C). In September, in Sterling, the average low-temperature is 62.1°F (16.7°C).

Heat index

The average heat index in September is estimated at 84.4°F (29.1°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'real feel', or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is individual, with diverse people perceiving weather differently for numerous reasons (differences in body mass, height, and shape, pregnancy, metabolic differences), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Sterling, the average relative humidity in September is 64%.

Rainfall

In Sterling, during September, the rain falls for 11.6 days and regularly aggregates up to 1.89" (48mm) of precipitation. Throughout the year, in Sterling, there are 112.9 rainfall days, and 21.06" (535mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 25min.
On the first day of the month, sunrise is at 7:02 am and sunset at 8:02 pm. On the last day of September, in Sterling, sunrise is at 7:27 am and sunset at 7:17 pm CDT.

Sunshine

In Sterling, the average sunshine in September is 8.9h.

UV index

In Sterling, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Sterling?

In Sterling, in September, the average high-temperature is 81.5°F (27.5°C), and the average low-temperature is 62.1°F (16.7°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, in September is estimated at 84.4°F (29.1°C).

What is the average humidity in September in Sterling?

In September, the average relative humidity in Sterling is 64%.

How many days does it rain in September in Sterling?

In September, in Sterling, Kansas, the rain falls for 11.6 days. Throughout September, 1.89" (48mm) of precipitation is accumulated.

When it does not snow in Sterling?

May through September are months without snowfall in Sterling, Kansas.

Does it snow in Sterling in September?

In Sterling, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Sterling?

The average day length in September in Sterling, Kansas, is 12h and 25min.

What time are sunrise and sunset in September in Sterling?

In September, on the first day of the month, sunrise is at 7:02 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:17 pm CDT.

How many hours of sunshine does Sterling have in September?

In September, the average sunshine duration in Sterling, Kansas, is 8.9h.

What is the UV index reading in September in Sterling?

In September, the average daily maximum UV index in Sterling, Kansas, is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Sterling, KS

Average temperature in September - Sterling, KS
  • Average high temperature in September: 81.5°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 (42.4°F).

  • Average low temperature in September: 62.1°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

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Average pressure in September
Sterling, KS

Average pressure in September - Sterling, 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).

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Average wind speed in September
Sterling, KS

Average wind speed in September - Sterling, KS
  • Average wind speed in September: 10.6mph

The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).

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Average humidity in September
Sterling, KS

Average humidity in September - Sterling, KS
  • Average humidity in September: 64%

The month with the highest relative humidity is May (69%).
The month with the lowest relative humidity is July (59%).

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Average rainfall in September
Sterling, KS

Average rainfall in September - Sterling, KS
  • Average rainfall in September: 1.89"

The wettest month (with the highest rainfall) is May (3.82").
The driest months (with the least rainfall) are January and February (0.67").

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Average rainfall days in September
Sterling, KS

Average rainfall days in September - Sterling, KS
  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (2.7 days).

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Average snowfall in September
Sterling, KS

Average snowfall in September - Sterling, KS
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.36").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Sterling, KS

Average snowfall days in September - Sterling, KS
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Sterling, KS

Average daylight in September / Average sunshine in September - Sterling, KS
  • Average daylight in September: 12h and 25min

The month with the longest days is June (Average daylight: 14h and 47min).
The month with the shortest days is December (Average daylight: 9h and 34min).

  • Average sunshine in September: 8h and 54min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).

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Average sunshine days in September
Sterling, KS

Average sunshine days in September - Sterling, KS
  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is December (23.9 days).
The month with the least sunshine days is July (13.2 days).

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Average UV index in September
Sterling, KS

Average UV index in September - Sterling, 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, November and December (UV index 2).

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Average cloud cover in September
Sterling, KS

Average cloud cover in September - Sterling, KS
  • Average cloud cover in September: 24

The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is June (Cloud cover 20).

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Average visibility in September
Sterling, KS

Average visibility in September - Sterling, 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).

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