September weather forecast
Watson, MO

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Watson, Missouri, with temperature in the range of an average high of 77.7°F (25.4°C) and an average low of 57.7°F (14.3°C).

Temperature

Watson ushers in September with an average high-temperature of a still moderately hot 77.7°F (25.4°C), showing a close resemblance to the previous month. Watson reports an average low-temperature of 57.7°F (14.3°C) during the nights of September.

Humidity

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

Rainfall

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

Snowfall

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

Daylight

The average length of the day in September is 12h and 27min.
On the first day of September in Watson, Missouri, 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.

Sunshine

The average sunshine in September is 9.1h.

UV index

In Watson, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index of 5 during September leads to these instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Frequently asked questions

What is the average September temperature in Watson?

The high-temperature, in September, in Watson, is 77.7°F (25.4°C), while the low-temperature averages to 57.7°F (14.3°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is estimated at 91.4°F (33°C).

What is the average humidity in September in Watson?

The average relative humidity in September is 73%.

How many days does it rain in September in Watson?

In Watson, Missouri, in September, it is raining for 11.7 days, with typically 1.93" (49mm) of accumulated precipitation.

When it does not snow in Watson?

May through September are months without snowfall.

Does it snow in Watson in September?

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

How many hours of daylight does Watson have in September?

In Watson, Missouri, the average day length in September is 12h and 27min.

When is the sunrise / sunset in September in Watson?

On the first day of September, 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 long on average sun shines in September in Watson?

The average sunshine duration in September in Watson is 9.1h.

How high is the UV index in September in Watson?

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

Average temperature in September - Watson, 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
Watson, MO

Average pressure in September - Watson, 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
Watson, MO

Average wind speed in September - Watson, 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
Watson, MO

Average humidity in September - Watson, 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
Watson, MO

Average rainfall in September - Watson, 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
Watson, MO

Average rainfall days in September - Watson, 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
Watson, MO

Average snowfall in September - Watson, 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
Watson, MO

Average snowfall days in September - Watson, 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
Watson, MO

Average daylight in September / Average sunshine in September - Watson, 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 18min).

  • 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
Watson, MO

Average sunshine days in September - Watson, 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
Watson, MO

Average UV index in September - Watson, 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
Watson, MO

Average cloud cover in September - Watson, 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
Watson, MO

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

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