September weather forecast
New Boston, MO

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Weather in September

The first month of the autumn, September, is also a moderately hot month in New Boston, Missouri, with an average temperature fluctuating between 77.9°F (25.5°C) and 57.7°F (14.3°C).

Temperature

The beginning of September records an average high-temperature of a still warm 77.9°F (25.5°C), marking a negligible difference from August's 83.1°F (28.4°C). In September, the average low-temperature is a moderate 57.7°F (14.3°C).

Humidity

In September, the average relative humidity is 76%.

Rainfall

In New Boston, during September, the rain falls for 8.2 days and regularly aggregates up to 1.06" (27mm) of precipitation. In New Boston, during the entire year, the rain falls for 101.9 days and collects up to 10.59" (269mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In New Boston, the average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 6:40 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:54 pm CDT.

Sunshine

In September, the average sunshine is 9.4h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Frequently asked questions

What is the temperature in September?

An average high-temperature, in September, in New Boston, is 77.9°F (25.5°C) and the average low-temperature is 57.7°F (14.3°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is appraised at 91.4°F (33°C).

What is the average humidity in September?

In New Boston, the average relative humidity in September is 76%.

How many days does it rain in September?

In New Boston, in September, during 8.2 rainfall days, 1.06" (27mm) of precipitation is typically accumulated.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

In New Boston, in September, it doesn't snow. In October, it regularly snows.

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

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

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:40 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:54 pm CDT.

How many hours of sunshine does New Boston have in September?

In New Boston, the average sunshine duration in September is 9.4h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's 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
New Boston, MO

Average temperature in September - New Boston, MO
  • Average high temperature in September: 77.9°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (33.6°F).

  • Average low temperature in September: 57.7°F

The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

Average pressure in September
New Boston, MO

Average pressure in September - New Boston, 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 (29.9"Hg).

Average wind speed in September
New Boston, MO

Average wind speed in September - New Boston, MO
  • Average wind speed in September: 7.3mph

The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

Average humidity in September
New Boston, MO

Average humidity in September - New Boston, MO
  • Average humidity in September: 76%

The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is October (72%).

Average rainfall in September
New Boston, MO

Average rainfall in September - New Boston, MO
  • Average rainfall in September: 1.06"

The wettest months (with the highest rainfall) are May and June (1.46").
The driest month (with the least rainfall) is December (0.43").

Average rainfall days in September
New Boston, MO

Average rainfall days in September - New Boston, MO
  • Average rainfall days in September: 8.2 days

The month with the highest number of rainy days is May (12.3 days).
The month with the least rainy days is January (4.2 days).

Average snowfall in September
New Boston, MO

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

The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
New Boston, MO

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

The month with the highest number of snowfall days is January (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
New Boston, MO

Average daylight in September / Average sunshine in September - New Boston, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in September
New Boston, MO

Average sunshine days in September - New Boston, MO
  • Average sunshine days in September: 19.9 days

The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is May (13.8 days).

Average UV index in September
New Boston, MO

Average UV index in September - New Boston, 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).

Average cloud cover in September
New Boston, MO

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

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in September
New Boston, MO

Average visibility in September - New Boston, 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).

New Boston, Missouri, USA

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