September weather forecast and climate
Rondo, AR

Weather in September

September, the first month of the autumn, in Rondo, is still a warm month, with average temperature ranging between max 83.8°F (28.8°C) and min 65.7°F (18.7°C).

Temperature

In Rondo, the average high-temperature in September is relatively the same as in August - a warm 83.8°F (28.8°C). The average low-temperature, in September, is 65.7°F (18.7°C).

Heat index

The average heat index is evaluated at a tropical 91°F (32.8°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'felt air temperature', or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like metabolic differences, wind, differences in body mass, height, and shape, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Rondo, Arkansas, the average relative humidity is 73%.

Rainfall

September is the month with the least rainfall. Rain falls for 12.7 days and accumulates 2.05" (52mm) of precipitation.

Snowfall

In Rondo, Arkansas, snow does not fall in April through September.

Daylight

In Rondo, the average length of the day is 12.4h.

Sunshine

The average sunshine is 9.8h.

UV index

The average daily maximum UV index in Rondo, Arkansas, is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Rondo?

The average high-temperature, in September, in Rondo, Arkansas, is 83.8°F (28.8°C), while the average low-temperature is 65.7°F (18.7°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), that combines both air temperature and relative humidity, in September is estimated at 91°F (32.8°C).

What is the average humidity in September in Rondo?

The average relative humidity in September is 73%.

How much does it rain in Rondo in September?

In Rondo, in September, it is raining for 12.7 days, with typically 2.05" (52mm) of accumulated precipitation.

What is the driest month in Rondo?

September is the month with the least rainfall. Rain falls for 12.7 days and accumulates 2.05" (52mm) of precipitation.

Does it snow in Rondo in September?

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

When it does not snow in Rondo?

April through September are months without snowfall.

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

In September, the average length of the day in Rondo is 12.4h.

How long on average sun shines in September in Rondo?

In September, the average sunshine in Rondo is 9.8h.

How high is the UV index in September in Rondo?

In Rondo, Arkansas, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to the UV radiation.

Average temperature in September
Rondo, AR

Average temperature in September - Rondo, AR
  • Average high temperature in September: 83.8°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (47.8°F).

  • Average low temperature in September: 65.7°F

The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (34.9°F).

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Average pressure in September
Rondo, AR

Average pressure in September - Rondo, AR
  • Average pressure in September: 30"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.94").

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Average wind speed in September
Rondo, AR

Average wind speed in September - Rondo, AR
  • Average wind speed in September: 5.8mph

The windiest month (with the highest average wind speed) is February (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in September
Rondo, AR

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

Months with the highest relative humidity are March and December (78%).
The month with the lowest relative humidity is October (67%).

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Average rainfall in September
Rondo, AR

Average rainfall in September - Rondo, AR
  • Average rainfall in September: 2.05"

The wettest month (with the highest rainfall) is April (4.76").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days in September
Rondo, AR

Average rainfall days in September - Rondo, AR
  • Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is November (9.5 days).

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Average snowfall in September
Rondo, AR

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

The month with the highest snowfall is February (0.79").
Months with the least snowfall are April, May, June, July, August and September (0").

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Average snowfall days in September
Rondo, AR

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

The month with the highest number of snowfall days is February (1.6 days).
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
Rondo, AR

Average daylight in September / Average sunshine in September - Rondo, AR
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in September: 9.8h

The month with the most sunshine is June (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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Average sunshine days in September
Rondo, AR

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

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (9.6 days).

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Average UV index in September
Rondo, AR

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

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in September
Rondo, AR

Average cloud cover in September - Rondo, AR
  • Average cloud cover in September: 27

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 25).

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Average visibility in September
Rondo, AR

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

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

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