September weather forecast
Louisiana, MO

Weather in September

September, the first month of the autumn, in Louisiana, is still a warm month, with average temperature ranging between max 78.3°F (25.7°C) and min 58.6°F (14.8°C).

Temperature

In Louisiana, the average high-temperature marginally drops, from 84.4°F (29.1°C) in August, to a still moderately hot 78.3°F (25.7°C). The average low-temperature, in September, is 58.6°F (14.8°C).

Humidity

In September, the average relative humidity in Louisiana is 74%.

Rainfall

In September, the rain falls for 11.9 days. Throughout September, 2.36" (60mm) of precipitation is accumulated. Throughout the year, in Louisiana, Missouri, there are 142.7 rainfall days, and 27.64" (702mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Louisiana.

Daylight

The average length of the day in Louisiana is 12.4h.

Sunshine

The average sunshine in September is 9.3h.

UV index

In September, the average daily maximum UV index in Louisiana is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 5 in September interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for 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 average humidity in September in Louisiana?

In Louisiana, Missouri, the average relative humidity in September is 74%.

How much does it rain in Louisiana in September?

In Louisiana, in September, during 11.9 rainfall days, 2.36" (60mm) of precipitation is typically accumulated.

When it does not snow in Louisiana?

May through September are months without snowfall in Louisiana.

Does it snow in Louisiana in September?

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

How many hours of daylight does Louisiana have in September?

The average length of the day in September in Louisiana is 12.4h.

How long on average sun shines in September in Louisiana?

The average sunshine in September in Louisiana, Missouri, is 9.3h.

How high is the UV index in September in Louisiana?

In Louisiana, Missouri, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in September
Louisiana, MO

Average temperature in September - Louisiana, MO
  • Average high temperature in September: 78.3°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 (34.9°F).

  • Average low temperature in September: 58.6°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

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Average pressure in September
Louisiana, MO

Average pressure in September - Louisiana, MO
  • Average pressure in September: 30.02"

The month with the highest atmospheric pressure is January (30.15").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed in September
Louisiana, MO

Average wind speed in September - Louisiana, MO
  • Average wind speed in September: 6.8mph

The windiest months (with the highest average wind speed) are January and February (9.7mph).
The calmest month (with the lowest average wind speed) is July (6mph).

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Average humidity in September
Louisiana, MO

Average humidity in September - Louisiana, MO
  • Average humidity in September: 74%

The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in September
Louisiana, MO

Average rainfall in September - Louisiana, MO
  • Average rainfall in September: 2.36"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is February (1.46").

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Average rainfall days in September
Louisiana, MO

Average rainfall days in September - Louisiana, MO
  • Average rainfall days in September: 11.9 days

The month with the highest number of rainy days is May (17.3 days).
Months with the least rainy days are January and February (6.3 days).

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Average snowfall in September
Louisiana, MO

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

The month with the highest snowfall is January (3.03").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Louisiana, MO

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

The month with the highest number of snowfall days is January (8.5 days).
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
Louisiana, MO

Average daylight in September / Average sunshine in September - Louisiana, MO
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in September: 9.3h

The month with the most sunshine is June (Average sunshine: 10.2h).
Months with the least sunshine are January and February (Average sunshine: 4.5).

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Average sunshine days in September
Louisiana, MO

Average sunshine days in September - Louisiana, MO
  • Average sunshine days in September: 15.9 days

The month with the most sunshine days is December (19.2 days).
The month with the least sunshine days is June (10.9 days).

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Average UV index in September
Louisiana, MO

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

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

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Average cloud cover in September
Louisiana, MO

Average cloud cover in September - Louisiana, MO
  • Average cloud cover in September: 30

The month with the most cloud cover is January (Cloud cover 52).
Months with the least cloud cover are June, July, August and September (Cloud cover 30).

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Average visibility in September
Louisiana, MO

Average visibility in September - Louisiana, MO
  • Average visibility in September: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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