September weather forecast
Diehlstadt, MO

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Weather in September

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

Temperature

Diehlstadt, Missouri, experiences a subtle adjustment in high-temperatures to a warm 81.7°F (27.6°C) with the onset of September, maintaining near parity with August's 86.4°F (30.2°C). September witnesses an average nighttime temperature of 62.2°F (16.8°C) in Diehlstadt.

Heat index

September's mean heat index is evaluated at a tropical 86°F (30°C). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

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

Rainfall

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

Snowfall

May through October are months without snowfall in Diehlstadt.

Daylight

The average length of the day in September is 12h and 24min.
On the first day of the month, sunrise is at 6:29 am and sunset at 7:25 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:42 pm CDT.

Sunshine

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

UV index

In September, the average daily maximum UV index in Diehlstadt is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 5 during September translates into the following directions:
Undertake precautions - It is suggested to shield oneself from sunburn. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in Diehlstadt?

Diehlstadt in September has an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 62.2°F (16.8°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in September is evaluated at 86°F (30°C).

What is the average humidity in September in Diehlstadt?

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

What is the driest month in Diehlstadt?

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

How many days does it rain in September in Diehlstadt?

In Diehlstadt, during September, the rain falls for 11.4 days and regularly aggregates up to 1.22" (31mm) of precipitation.

When it does not snow in Diehlstadt?

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

How many hours of daylight does Diehlstadt have in September?

The average day length in September in Diehlstadt is 12h and 24min.

What time are sunrise and sunset in September in Diehlstadt?

In September, on the first day of the month, sunrise is at 6:29 am and sunset at 7:25 pm. On the last day of the month, in Diehlstadt, Missouri, sunrise is at 6:52 am and sunset at 6:42 pm CDT.

How many hours of sunshine does Diehlstadt have in September?

In September, the average sunshine duration is 9.7h.

What is the UV index reading in September in Diehlstadt?

In September, the average daily maximum UV index in Diehlstadt, Missouri, is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe 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
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).

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).

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).

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%).

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").

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).

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").

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).

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 2min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 9h and 4min

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).

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).

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).

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).

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).

Diehlstadt, Missouri, USA

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