September weather forecast
Slater, MO

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Weather in September

September, the first month of the autumn in Slater, is still a warm month, with an average temperature ranging between max 78.8°F (26°C) and min 59.2°F (15.1°C).

Temperature

The move into September indicates a slight reduction in the average high-temperature, down from August's warm 84.4°F (29.1°C) to a still moderately hot 78.8°F (26°C). Throughout September, Slater records an average temperature of 59.2°F (15.1°C) at night.

Humidity

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

Rainfall

In September, in Slater, Missouri, the rain falls for 12.1 days. Throughout September, 2.48" (63mm) of precipitation is accumulated. In Slater, during the entire year, the rain falls for 140.8 days and collects up to 28.78" (731mm) of precipitation.

Snowfall

In Slater, 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 September, sunrise is at 6:41 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:55 pm CDT.

Sunshine

The average sunshine in September in Slater is 9.5h.

UV index

In Slater, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: The daily maximum UV index of 5 in September interprets into the following advice:
Adopt protective measures - Suggestions to resist sunburn are offered. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
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Frequently asked questions

What is the usual temperature for Slater in September?

An average high-temperature, in September, in Slater, is 78.8°F (26°C) and the average low-temperature is 59.2°F (15.1°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in August is computed to be 93.2°F (34°C).

What is the average humidity in September in Slater?

The average relative humidity in September in Slater, Missouri, is 74%.

How much does it rain in Slater in September?

In September, in Slater, the rain falls for 12.1 days. Throughout September, 2.48" (63mm) of precipitation is accumulated.

When it does not snow in Slater?

June through September are months without snowfall in Slater, Missouri.

Does it snow in Slater in September?

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

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

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

When is the sunrise / sunset in September in Slater?

In September, on the first day of the month, sunrise is at 6:41 am and sunset at 7:42 pm. On the last day of the month, in Slater, Missouri, sunrise is at 7:08 am and sunset at 6:55 pm CDT.

How long on average sun shines in September in Slater?

In September, the average sunshine duration is 9.5h.

What is the UV index intensity in September in Slater?

The average daily maximum UV index in September in Slater, Missouri, is 5. A UV Index reading of 3 to 5 represents a moderate health threat 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
Slater, MO

Average temperature in September - Slater, MO
  • Average high temperature in September: 78.8°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in September: 59.2°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

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Average pressure in September
Slater, MO

Average pressure in September - Slater, MO
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in September
Slater, MO

Average wind speed in September - Slater, MO
  • Average wind speed in September: 7mph

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).

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Average humidity in September
Slater, MO

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

The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in September
Slater, MO

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

The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is January (1.26").

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Average rainfall days in September
Slater, MO

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

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is December (6.2 days).

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Average snowfall in September
Slater, MO

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

The month with the highest snowfall is February (3.7").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Slater, MO

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

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

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

Average daylight in September / Average sunshine in September - Slater, 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 30min).

  • Average sunshine in September: 9h and 3min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

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Average sunshine days in September
Slater, MO

Average sunshine days in September - Slater, MO
  • Average sunshine days in September: 16 days

The month with the most sunshine days is December (20.2 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in September
Slater, MO

Average UV index in September - Slater, 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).

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Average cloud cover in September
Slater, MO

Average cloud cover in September - Slater, MO
  • Average cloud cover in September: 28

The months with the most cloud cover are January, February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 26).

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Average visibility in September
Slater, MO

Average visibility in September - Slater, 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).

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Slater, Missouri, USA

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