September weather forecast
Tupelo, OK

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Weather in September

The first month of the autumn, September, is still a warm month in Tupelo, Oklahoma, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 85.3°F (29.6°C).

Temperature

The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a hot 93.6°F (34.2°C) in August to a moderately hot 85.3°F (29.6°C). Tupelo's temperature in September lowers to a consistent average of 64.9°F (18.3°C) during the nights.

Heat index

September's average heat index is computed to be a tropical 93.2°F (34°C). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

In September, the average relative humidity is 69%.

Rainfall

In Tupelo, in September, it is raining for 12.4 days, with typically 2.8" (71mm) of accumulated precipitation. Throughout the year, there are 142.1 rainfall days, and 32.01" (813mm) of precipitation is accumulated.

Snowfall

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

Daylight

In September, the average length of the day is 12h and 23min.
On the first day of the month, sunrise is at 6:59 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:20 am and sunset at 7:10 pm CDT.

Sunshine

The average sunshine in September is 8.6h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 5 in September interprets into the following advice:
Act with care - The suggestion to avoid sunburn is emphasized. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September?

In Tupelo, 85.3°F (29.6°C) is the average high-temperature and 64.9°F (18.3°C) is the average low-temperature during September. In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is computed to be 93.2°F (34°C).

What is the average humidity in September?

In September, the average relative humidity in Tupelo is 69%.

How much does it rain in September?

In September, the rain falls for 12.4 days. Throughout September, 2.8" (71mm) of precipitation is accumulated.

When it does not snow?

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

What is the average length of the day in September?

In September, the average day length is 12h and 23min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:59 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:10 pm CDT.

How long on average sun shines in September?

In Tupelo, the average sunshine duration in September is 8.6h.

How high is the UV index in September?

In Tupelo, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Tupelo, OK

Average temperature in September - Tupelo, OK
  • Average high temperature in September: 85.3°F

The warmest month (with the highest average high temperature) is August (93.6°F).
The month with the lowest average high temperature is January (49.6°F).

  • Average low temperature in September: 64.9°F

The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (34.2°F).

Average pressure in September
Tupelo, OK

Average pressure in September - Tupelo, OK
  • Average pressure in September: 29.98"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
Tupelo, OK

Average wind speed in September - Tupelo, OK
  • Average wind speed in September: 6.9mph

The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in September
Tupelo, OK

Average humidity in September - Tupelo, OK
  • Average humidity in September: 69%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is August (64%).

Average rainfall in September
Tupelo, OK

Average rainfall in September - Tupelo, OK
  • Average rainfall in September: 2.8"

The wettest month (with the highest rainfall) is May (4.88").
The driest months (with the least rainfall) are January, February and December (1.93").

Average rainfall days in September
Tupelo, OK

Average rainfall days in September - Tupelo, OK
  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in September
Tupelo, OK

Average snowfall in September - Tupelo, OK
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.38").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Tupelo, OK

Average snowfall days in September - Tupelo, OK
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Tupelo, OK

Average daylight in September / Average sunshine in September - Tupelo, OK
  • 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: 8h and 4min

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

Average sunshine days in September
Tupelo, OK

Average sunshine days in September - Tupelo, OK
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is January (21.1 days).
The month with the least sunshine days is April (13.9 days).

Average UV index in September
Tupelo, OK

Average UV index in September - Tupelo, OK
  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in September
Tupelo, OK

Average cloud cover in September - Tupelo, OK
  • Average cloud cover in September: 29

The months with the most cloud cover are February and March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in September
Tupelo, OK

Average visibility in September - Tupelo, OK
  • 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).

Tupelo, Oklahoma, USA

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