Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September signals a slight drop in average high-temperature, sliding from August's tropical 88.2°F (31.2°C) to a warm 80.4°F (26.9°C). Quapaw reports a consistent average low-temperature of 61.5°F (16.4°C) throughout September nights.Humidity
In Quapaw, the average relative humidity in September is 74%.Rainfall
In Quapaw, during September, the rain falls for 12.4 days and regularly aggregates up to 2.8" (71mm) of precipitation. In Quapaw, during the entire year, the rain falls for 139.2 days and collects up to 30" (762mm) of precipitation.Snowfall
April, June through October are months without snowfall in Quapaw.Daylight
In September, the average length of the day in Quapaw is 12h and 24min.On the first day of September in Quapaw, sunrise is at 6:50 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:03 pm CDT.
Sunshine
In Quapaw, the average sunshine in September is 9.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: An average UV index of 5 in September transforms into this advice:
Undertake precautions - Guarding against sun damage is counselled. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
What are September temperatures in Quapaw?
What is the average humidity in September in Quapaw?
How much does it rain in Quapaw in September?
When it does not snow in Quapaw?
How many hours of daylight does Quapaw have in September?
What time are sunrise and sunset in September in Quapaw?
How long on average sun shines in September in Quapaw?
What is the UV index reading in September in Quapaw?
Average temperature in September
Quapaw, OK
- Average high temperature in September: 80.4°F
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (43.2°F).
- Average low temperature in September: 61.5°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure in September
Quapaw, OK
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Quapaw, OK
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in September
Quapaw, OK
- Average humidity in September: 74%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Quapaw, OK
- Average rainfall in September: 2.8"
The wettest month (with the highest rainfall) is May (5.04").
The driest month (with the least rainfall) is November (1.42").
Average rainfall days in September
Quapaw, OK
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in September
Quapaw, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in September
Quapaw, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Quapaw, OK
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in September
Quapaw, OK
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is May (13.3 days).
Average UV index in September
Quapaw, OK
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Quapaw, OK
- Average cloud cover in September: 28
The months with the most cloud cover are February and March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Quapaw, 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).
Quapaw, Oklahoma, USA
Weather forecast for your location
2. Allow the app to use your location
