September weather forecast
New Melle, MO

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Weather in September

The first month of the autumn, September, is also a moderately hot month in New Melle, Missouri, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 59.5°F (15.3°C).

Temperature

The arrival of September is marked by a minor reduction in average high-temperature, sliding from a warm 85.5°F (29.7°C) in August to a still moderately hot 79.3°F (26.3°C). Nighttime temperature dips to a mean of 59.5°F (15.3°C) during September.

Humidity

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

Rainfall

In New Melle, during September, the rain falls for 11.9 days and regularly aggregates up to 2.13" (54mm) of precipitation. Throughout the year, in New Melle, Missouri, there are 152.1 rainfall days, and 32.01" (813mm) of precipitation is accumulated.

Snowfall

In New Melle, snow does not fall in May through October.

Daylight

In New Melle, the average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 6:33 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:47 pm CDT.

Sunshine

In New Melle, the average sunshine in September is 9.6h.

UV index

In September, the average daily maximum UV index in New Melle is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 5 suggests this advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Frequently asked questions

What are September temperatures in New Melle?

The average high-temperature, in September, in New Melle, is 79.3°F (26.3°C), while the average low-temperature is 59.5°F (15.3°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is evaluated at 96.8°F (36°C).

What is the average humidity in September in New Melle?

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

How much does it rain in New Melle in September?

In New Melle, Missouri, during September, the rain falls for 11.9 days and regularly aggregates up to 2.13" (54mm) of precipitation.

When it does not snow in New Melle?

May through October are months without snowfall.

How many hours of daylight does New Melle have in September?

The average day length in September in New Melle, Missouri, is 12h and 26min.

What time are sunrise and sunset in September in New Melle?

On the first day of September, sunrise is at 6:33 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:47 pm CDT.

How long on average sun shines in September in New Melle?

The average sunshine duration in September in New Melle, Missouri, is 9.6h.

How high is the UV index in September in New Melle?

In September, the average daily maximum UV index 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
New Melle, MO

Average temperature in September - New Melle, MO
  • Average high temperature in September: 79.3°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in September: 59.5°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

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Average pressure in September
New Melle, MO

Average pressure in September - New Melle, 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 (29.92"Hg).

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Average wind speed in September
New Melle, MO

Average wind speed in September - New Melle, MO
  • Average wind speed in September: 6mph

The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in September
New Melle, MO

Average humidity in September - New Melle, MO
  • Average humidity in September: 74%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in September
New Melle, MO

Average rainfall in September - New Melle, MO
  • Average rainfall in September: 2.13"

The wettest month (with the highest rainfall) is April (3.82").
The driest month (with the least rainfall) is February (1.77").

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Average rainfall days in September
New Melle, MO

Average rainfall days in September - New Melle, MO
  • Average rainfall days in September: 11.9 days

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall in September
New Melle, MO

Average snowfall in September - New Melle, MO
  • Average snowfall in September: 0"

The month with the highest snowfall is February (3.15").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
New Melle, MO

Average snowfall days in September - New Melle, MO
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (7.3 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
New Melle, MO

Average daylight in September / Average sunshine in September - New Melle, MO
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 9h and 4min

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 42min).

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Average sunshine days in September
New Melle, MO

Average sunshine days in September - New Melle, MO
  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is June (10.9 days).

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Average UV index in September
New Melle, MO

Average UV index in September - New Melle, 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, February, November and December (UV index 2).

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Average cloud cover in September
New Melle, MO

Average cloud cover in September - New Melle, MO
  • Average cloud cover in September: 29

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in September
New Melle, MO

Average visibility in September - New Melle, 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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New Melle, Missouri, USA

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