September weather forecast
Barnard, MO

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Weather in September

September, the first month of the autumn in Barnard, is also a moderately hot month, with an average temperature fluctuating between 77°F (25°C) and 57.7°F (14.3°C).

Temperature

The beginning of September brings a minor change in the average high-temperature, shifting from 82.6°F (28.1°C) in August to a still warm 77°F (25°C). An average low-temperature of 57.7°F (14.3°C) is observed during September nights.

Humidity

The average relative humidity in September is 75%.

Rainfall

In Barnard, in September, during 11.6 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. Throughout the year, in Barnard, there are 130.5 rainfall days, and 25.79" (655mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Barnard, the average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 6:47 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:02 pm CDT.

Sunshine

The average sunshine in September is 9.3h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 5 in September interprets into the following advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.

Frequently asked questions

What are September temperatures?

The average high-temperature, in September, in Barnard, is 77°F (25°C), while the average low-temperature is 57.7°F (14.3°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is calculated to be 89.6°F (32°C).

What is the average humidity in September?

In September, the average relative humidity is 75%.

How much does it rain in September?

In Barnard, in September, it is raining for 11.6 days, with typically 2.32" (59mm) of accumulated precipitation.

When it does not snow?

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

Does it snow in September?

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

How many hours of daylight does Barnard have in September?

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

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:47 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:02 pm CDT.

How long on average sun shines in September?

In Barnard, the average sunshine duration in September is 9.3h.

What is the UV index intensity in September in Barnard?

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 exposure to Sun's UV rays.
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
Barnard, MO

Average temperature in September - Barnard, MO
  • Average high temperature in September: 77°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 (32.5°F).

  • Average low temperature in September: 57.7°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

Average pressure in September
Barnard, MO

Average pressure in September - Barnard, MO
  • Average pressure in September: 30"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in September
Barnard, MO

Average wind speed in September - Barnard, MO
  • Average wind speed in September: 7.6mph

The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

Average humidity in September
Barnard, MO

Average humidity in September - Barnard, MO
  • Average humidity in September: 75%

The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is October (69%).

Average rainfall in September
Barnard, MO

Average rainfall in September - Barnard, MO
  • Average rainfall in September: 2.32"

The wettest month (with the highest rainfall) is June (4.09").
The driest month (with the least rainfall) is February (0.83").

Average rainfall days in September
Barnard, MO

Average rainfall days in September - Barnard, MO
  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (4.4 days).

Average snowfall in September
Barnard, MO

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

The month with the highest snowfall is January (3.31").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Barnard, MO

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

The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Barnard, MO
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
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 24min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

Average sunshine days in September
Barnard, MO

Average sunshine days in September - Barnard, MO
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (10.6 days).

Average UV index in September
Barnard, MO

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

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in September
Barnard, MO

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

The months with the most cloud cover are January and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in September
Barnard, MO

Average visibility in September - Barnard, 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).

Barnard, Missouri, USA

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