September weather forecast
Osborn, MO

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Weather in September

September, the first month of the autumn in Osborn, is also a moderately hot month, with temperature in the range of an average high of 77.5°F (25.3°C) and an average low of 57.9°F (14.4°C).

Temperature

The arrival of September signals a subtle shift in temperature, down from a moderately hot 83.3°F (28.5°C) in August to a still warm 77.5°F (25.3°C). An average nighttime temperature of 57.9°F (14.4°C) is recorded during September.

Humidity

The average relative humidity in September in Osborn is 76%.

Rainfall

In Osborn, Missouri, in September, during 12.1 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, in Osborn, Missouri, there are 135.3 rainfall days, and 27.68" (703mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Osborn, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:46 am and sunset at 7:48 pm. On the last day of September, in Osborn, sunrise is at 7:13 am and sunset at 7:00 pm CDT.

Sunshine

In September, the average sunshine is 9.3h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high UV index of 5 in September translates into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. 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.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Osborn in September?

In Osborn, 77.5°F (25.3°C) is the average high-temperature and 57.9°F (14.4°C) is the average low-temperature during September. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in August is appraised at 91.4°F (33°C).

What is the average humidity in September in Osborn?

In Osborn, Missouri, the average relative humidity in September is 76%.

How much does it rain in Osborn in September?

In Osborn, in September, during 12.1 rainfall days, 2.48" (63mm) of precipitation is typically accumulated.

When it does not snow in Osborn?

June through September are months without snowfall.

Does it snow in Osborn in September?

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

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

In September, the average day length in Osborn is 12h and 26min.

When is the sunrise / sunset in September in Osborn?

In September, on the first day of the month, sunrise is at 6:46 am and sunset at 7:48 pm. On the last day of the month, in Osborn, sunrise is at 7:13 am and sunset at 7:00 pm CDT.

How long on average sun shines in September in Osborn?

The average sunshine duration in September is 9.3h.

What is the UV index intensity in September in Osborn?

In Osborn, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's 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
Osborn, MO

Average temperature in September - Osborn, MO
  • Average high temperature in September: 77.5°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (34.2°F).

  • Average low temperature in September: 57.9°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

Average pressure in September
Osborn, MO

Average pressure in September - Osborn, MO
  • Average pressure in September: 30.01"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in September
Osborn, MO

Average wind speed in September - Osborn, MO
  • Average wind speed in September: 7.2mph

The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

Average humidity in September
Osborn, MO

Average humidity in September - Osborn, MO
  • Average humidity in September: 76%

The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are October and November (71%).

Average rainfall in September
Osborn, MO

Average rainfall in September - Osborn, MO
  • Average rainfall in September: 2.48"

The wettest month (with the highest rainfall) is June (3.86").
The driest month (with the least rainfall) is January (1.02").

Average rainfall days in September
Osborn, MO

Average rainfall days in September - Osborn, MO
  • Average rainfall days in September: 12.1 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is February (4.7 days).

Average snowfall in September
Osborn, MO

Average snowfall in September - Osborn, MO
  • Average snowfall in September: 0"

The month with the highest snowfall is January (3.78").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Osborn, MO

Average snowfall days in September - Osborn, MO
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Osborn, MO

Average daylight in September / Average sunshine in September - Osborn, MO
  • 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: 9h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in September
Osborn, MO

Average sunshine days in September - Osborn, MO
  • Average sunshine days in September: 16.4 days

The month with the most sunshine days is November (20.9 days).
The months with the least sunshine days are May and June (10.8 days).

Average UV index in September
Osborn, MO

Average UV index in September - Osborn, MO
  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Osborn, MO

Average cloud cover in September - Osborn, MO
  • Average cloud cover in September: 29

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in September
Osborn, MO

Average visibility in September - Osborn, MO
  • 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).

Osborn, Missouri, USA

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