September weather forecast
Diehlstadt, MO

Weather in September

The first month of the autumn, September, is also a moderately hot month in Diehlstadt, Missouri, with an average temperature fluctuating between 81.7°F (27.6°C) and 62.2°F (16.8°C).

Temperature

In September, the average high-temperature is essentially the same as in August - a moderately hot 81.7°F (27.6°C). In Diehlstadt, in September, the average low-temperature is 62.2°F (16.8°C).

Heat index

In September, the average heat index is computed to be a hot 86°F (30°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'feels like', 'apparent temperature', or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, metabolic differences, differences in body mass, height, and shape). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In September, the average relative humidity is 72%.

Rainfall

The month with the least rainfall is September, when the rain falls for 11.4 days and typically collects 1.22" (31mm) of precipitation.

Snowfall

In Diehlstadt, snow does not fall in May through October.

Daylight

In September, the average length of the day is 12h and 24min.
On the first day of September in Diehlstadt, sunrise is at 6:28 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:43 pm CDT.

Sunshine

In Diehlstadt, the average sunshine in September is 9.7h.

UV index

The average daily maximum UV index in September in Diehlstadt is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Diehlstadt?

The average high-temperature, in September, in Diehlstadt, is 81.7°F (27.6°C), while the average low-temperature is 62.2°F (16.8°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in September is computed to be 86°F (30°C).

What is the average humidity in September in Diehlstadt?

In Diehlstadt, the average relative humidity in September is 72%.

What is the driest month in Diehlstadt?

The month with the least rainfall is September, when the rain falls for 11.4 days and typically collects 1.22" (31mm) of precipitation.

How much does it rain in Diehlstadt in September?

In Diehlstadt, Missouri, in September, during 11.4 rainfall days, 1.22" (31mm) of precipitation is typically accumulated.

When it does not snow in Diehlstadt?

In Diehlstadt, snow does not fall in May through October.

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

In September, the average day length is 12h and 24min.

When are sunrise and sunset in September in Diehlstadt?

In September, on the first day of the month, sunrise is at 6:28 am and sunset at 7:26 pm. On the last day of the month, in Diehlstadt, Missouri, sunrise is at 6:52 am and sunset at 6:43 pm CDT.

How many hours of sunshine does Diehlstadt have in September?

The average sunshine duration in September in Diehlstadt, Missouri, is 9.7h.

What is the UV index reading in September in Diehlstadt?

The average daily maximum UV index in September in Diehlstadt, Missouri, is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Diehlstadt, MO

Average temperature in September - Diehlstadt, MO
  • Average high temperature in September: 81.7°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in September: 62.2°F

The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

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Average pressure in September
Diehlstadt, MO

Average pressure in September - Diehlstadt, 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 (29.94"Hg).

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Average wind speed in September
Diehlstadt, MO

Average wind speed in September - Diehlstadt, MO
  • Average wind speed in September: 6.4mph

The windiest months (with the highest average wind speed) are January, February and March (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in September
Diehlstadt, MO

Average humidity in September - Diehlstadt, MO
  • Average humidity in September: 72%

The months with the highest relative humidity are March and May (78%).
The month with the lowest relative humidity is October (69%).

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Average rainfall in September
Diehlstadt, MO

Average rainfall in September - Diehlstadt, MO
  • Average rainfall in September: 1.22"

The wettest month (with the highest rainfall) is April (3.9").
The driest month (with the least rainfall) is September (1.22").

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Average rainfall days in September
Diehlstadt, MO

Average rainfall days in September - Diehlstadt, MO
  • Average rainfall days in September: 11.4 days

The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (9.4 days).

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Average snowfall in September
Diehlstadt, MO

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

The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Diehlstadt, MO

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

The month with the highest number of snowfall days is February (3.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Diehlstadt, MO
  • Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 40min).
The month with the shortest days is December (Average daylight: 9h and 41min).

  • Average sunshine in September: 9h and 42min

The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in September
Diehlstadt, MO

Average sunshine days in September - Diehlstadt, MO
  • Average sunshine days in September: 17.1 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (12.1 days).

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Average UV index in September
Diehlstadt, MO

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

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

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Average cloud cover in September
Diehlstadt, MO

Average cloud cover in September - Diehlstadt, MO
  • Average cloud cover in September: 26

The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 25).

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Average visibility in September
Diehlstadt, MO

Average visibility in September - Diehlstadt, 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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