September weather forecast
Umpire, AR

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Weather in September

The first month of the autumn, September, is still a warm month in Umpire, Arkansas, with an average temperature ranging between max 83.3°F (28.5°C) and min 62.6°F (17°C).

Temperature

The transition into September subtly indicates a reduction in the average high-temperature, down to a warm 83.3°F (28.5°C) from August's tropical 90.1°F (32.3°C). In Umpire, September is marked by an average low-temperature of 62.6°F (17°C).

Heat index

September's heat index is calculated to be a hot 89.6°F (32°C). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.
Heat index values are typically calculated for conditions of shade and a light breeze. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', offers an insight into how hot it feels when we factor in moisture content. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.

Humidity

The average relative humidity in September in Umpire is 73%.

Rainfall

In Umpire, Arkansas, during September, the rain falls for 14.2 days and regularly aggregates up to 2.83" (72mm) of precipitation. In Umpire, during the entire year, the rain falls for 164 days and collects up to 40.12" (1019mm) of precipitation.

Snowfall

In Umpire, snow does not fall in April through October.

Daylight

The average length of the day in September is 12h and 22min.
On the first day of September, sunrise is at 6:50 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 7:01 pm CDT.

Sunshine

In September, the average sunshine is 9.3h.

UV index

In Umpire, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the UV index of 5 transforms into the following advice:
Exercise prevention - Precautions against solar damage are endorsed. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

Is it hot in Umpire during September?

An average high-temperature, in September, in Umpire, is 83.3°F (28.5°C) and the average low-temperature is 62.6°F (17°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 89.6°F (32°C).

What is the average humidity in September in Umpire?

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

How much does it rain in Umpire in September?

In September, the rain falls for 14.2 days. Throughout September, 2.83" (72mm) of precipitation is accumulated.

When it does not snow in Umpire?

In Umpire, snow does not fall in April through October.

What is the average length of the day in September in Umpire?

The average day length in September in Umpire, Arkansas, is 12h and 22min.

When are sunrise and sunset in September in Umpire?

On the first day of September, sunrise is at 6:50 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 7:01 pm CDT.

How long on average sun shines in September in Umpire?

In Umpire, the average sunshine duration in September is 9.3h.

How high is the UV index in September in Umpire?

The average daily maximum UV index in September in Umpire is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from 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
Umpire, AR

Average temperature in September - Umpire, AR
  • Average high temperature in September: 83.3°F

The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (48.2°F).

  • Average low temperature in September: 62.6°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (31.8°F).

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Average pressure in September
Umpire, AR

Average pressure in September - Umpire, AR
  • Average pressure in September: 30"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in September
Umpire, AR

Average wind speed in September - Umpire, AR
  • Average wind speed in September: 5.4mph

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in September
Umpire, AR

Average humidity in September - Umpire, AR
  • Average humidity in September: 73%

The months with the highest relative humidity are February and March (79%).
The month with the lowest relative humidity is August (72%).

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Average rainfall in September
Umpire, AR

Average rainfall in September - Umpire, AR
  • Average rainfall in September: 2.83"

The wettest month (with the highest rainfall) is May (5.08").
The driest month (with the least rainfall) is January (2.28").

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Average rainfall days in September
Umpire, AR

Average rainfall days in September - Umpire, AR
  • Average rainfall days in September: 14.2 days

The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is January (9.6 days).

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Average snowfall in September
Umpire, AR

Average snowfall in September - Umpire, AR
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Umpire, AR

Average snowfall days in September - Umpire, AR
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Umpire, AR

Average daylight in September / Average sunshine in September - Umpire, AR
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

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Average sunshine days in September
Umpire, AR

Average sunshine days in September - Umpire, AR
  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is August (9.7 days).

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Average UV index in September
Umpire, AR

Average UV index in September - Umpire, AR
  • Average UV index in September: 5

The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in September
Umpire, AR

Average cloud cover in September - Umpire, AR
  • Average cloud cover in September: 29

The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June, August and September (Cloud cover 29).

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Average visibility in September
Umpire, AR

Average visibility in September - Umpire, AR
  • Average visibility in September: 6mi

The months with the highest visibility are March, April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, May and December (5mi).

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Umpire, Arkansas, USA

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