September weather forecast
Osborne, KS

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Weather in September

The first month of the autumn, September, is still a warm month in Osborne, Kansas, with an average temperature fluctuating between 60.6°F (15.9°C) and 81.3°F (27.4°C).

Temperature

Start of September brings a slight shift in the average high-temperature, dipping a bit from August's hot 89.8°F (32.1°C) to a moderately hot 81.3°F (27.4°C). Throughout September, Osborne's nights cool down to an average of 60.6°F (15.9°C).

Heat index

September's average heat index is calculated to be 84.2°F (29°C). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.
Heat index readings emphasize conditions of light breezes and shaded spots. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important 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 61%.

Rainfall

In Osborne, during September, the rain falls for 10.4 days and regularly aggregates up to 1.42" (36mm) of precipitation. Throughout the year, there are 110.3 rainfall days, and 19.76" (502mm) of precipitation is accumulated.

Snowfall

In Osborne, snow does not fall in June through September.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of the month, sunrise is at 7:03 am and sunset at 8:05 pm. On the last day of September, sunrise is at 7:30 am and sunset at 7:18 pm CDT.

Sunshine

In September, the average sunshine is 8.7h.

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 UV index of 5 during September translates into these guidelines:
Take precautions - Protection against sunburn is recommended. It's recommended to limit sun exposure when its radiation is at its peak during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Jun 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

The high-temperature, in September, in Osborne, is 81.3°F (27.4°C), while the low-temperature averages to 60.6°F (15.9°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is calculated to be 84.2°F (29°C).

What is the average humidity in September in Osborne?

In September, the average relative humidity is 61%.

How many days does it rain in September?

In Osborne, during September, the rain falls for 10.4 days and regularly aggregates up to 1.42" (36mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

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

What is the average length of the day in September?

The average day length in September is 12h and 26min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 7:03 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:18 pm CDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.7h.

What is the UV index reading in September in Osborne?

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Osborne, KS

Average temperature in September - Osborne, KS
  • Average high temperature in September: 81.3°F

The warmest month (with the highest average high temperature) is July (92.5°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in September: 60.6°F

The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

Average pressure in September
Osborne, KS

Average pressure in September - Osborne, KS
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in September
Osborne, KS

Average wind speed in September - Osborne, KS
  • Average wind speed in September: 10.1mph

The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).

Average humidity in September
Osborne, KS

Average humidity in September - Osborne, KS
  • Average humidity in September: 61%

The months with the highest relative humidity are January and December (69%).
The month with the lowest relative humidity is July (57%).

Average rainfall in September
Osborne, KS

Average rainfall in September - Osborne, KS
  • Average rainfall in September: 1.42"

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in September
Osborne, KS

Average rainfall days in September - Osborne, KS
  • Average rainfall days in September: 10.4 days

The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (3.8 days).

Average snowfall in September
Osborne, KS

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

The month with the highest snowfall is February (2.2").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Osborne, KS

Average snowfall days in September - Osborne, 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
Osborne, KS

Average daylight in September / Average sunshine in September - Osborne, KS
  • Average daylight in September: 12h and 2min

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 4min

The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

Average sunshine days in September
Osborne, KS

Average sunshine days in September - Osborne, KS
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is May (13.5 days).

Average UV index in September
Osborne, KS

Average UV index in September - Osborne, 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
Osborne, KS

Average cloud cover in September - Osborne, 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 21).

Average visibility in September
Osborne, KS

Average visibility in September - Osborne, 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).

Osborne, Kansas, USA

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