September weather forecast
Langdon, MO

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Weather in September

September, the first month of the autumn in Langdon, is still a warm month, with an average temperature fluctuating between 77.7°F (25.4°C) and 57.7°F (14.3°C).

Temperature

With September's arrival, Langdon notes an average high-temperature of a still warm 77.7°F (25.4°C), closely following the trend of the preceding month. Langdon, in September, witnesses an average low-temperature of 57.7°F (14.3°C).

Humidity

In Langdon, the average relative humidity in September is 73%.

Rainfall

In Langdon, during September, the rain falls for 11.7 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Langdon, during the entire year, the rain falls for 120.8 days and collects up to 24.09" (612mm) of precipitation.

Snowfall

In Langdon, snow does not fall in May through September.

Daylight

The average length of the day in September in Langdon is 12h and 26min.
On the first day of the month, sunrise is at 6:50 am and sunset at 7:53 pm. On the last day of September, in Langdon, sunrise is at 7:18 am and sunset at 7:05 pm CDT.

Sunshine

In September, the average sunshine in Langdon is 9.1h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
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Frequently asked questions

What is the usual temperature for Langdon in September?

In September, in Langdon, the average high-temperature is 77.7°F (25.4°C), and the average low-temperature is 57.7°F (14.3°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is computed to be 91.4°F (33°C).

What is the average humidity in September in Langdon?

The average relative humidity in September is 73%.

How much does it rain in Langdon in September?

In Langdon, Missouri, during September, the rain falls for 11.7 days and regularly aggregates up to 1.93" (49mm) of precipitation.

When it does not snow in Langdon?

May through September are months without snowfall in Langdon.

Does it snow in Langdon in September?

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

How many hours of daylight does Langdon have in September?

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

When are sunrise and sunset in September in Langdon?

On the first day of September in Langdon, sunrise is at 6:50 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:05 pm CDT.

How many hours of sunshine does Langdon have in September?

In September, the average sunshine duration is 9.1h.

How high is the UV index in September in Langdon?

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Langdon, MO

Average temperature in September - Langdon, MO
  • Average high temperature in September: 77.7°F

The warmest month (with the highest average high temperature) is July (84.9°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 (67.1°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

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Average pressure in September
Langdon, MO

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in September
Langdon, MO

Average wind speed in September - Langdon, MO
  • Average wind speed in September: 7.8mph

The windiest months (with the highest average wind speed) are March and April (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in September
Langdon, MO

Average humidity in September - Langdon, MO
  • Average humidity in September: 73%

The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is October (67%).

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Average rainfall in September
Langdon, MO

Average rainfall in September - Langdon, MO
  • Average rainfall in September: 1.93"

The wettest month (with the highest rainfall) is June (4.21").
The driest month (with the least rainfall) is February (0.67").

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Average rainfall days in September
Langdon, MO

Average rainfall days in September - Langdon, MO
  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (3.8 days).

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Average snowfall in September
Langdon, MO

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

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

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Average snowfall days in September
Langdon, MO

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

The months with the highest number of snowfall days are January and February (6.7 days).
The 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
Langdon, MO

Average daylight in September / Average sunshine in September - Langdon, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

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Average sunshine days in September
Langdon, MO

Average sunshine days in September - Langdon, MO
  • Average sunshine days in September: 16.9 days

The months with the most sunshine days are November and December (21.5 days).
The month with the least sunshine days is May (11.4 days).

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Average UV index in September
Langdon, MO

Average UV index in September - Langdon, 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
Langdon, MO

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

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

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Average visibility in September
Langdon, MO

Average visibility in September - Langdon, 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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Langdon, Missouri, USA

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