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 heralds a minor drop in average high-temperature, sliding from August's hot 88.2°F (31.2°C) to a moderately hot 81.3°F (27.4°C). September nights are marked by an average temperature drop to a refreshing 61.9°F (16.6°C).Heat index
For September, the heat index is appraised at a tropical 86°F (30°C). Constant activity during exposure could result in a state of weariness and possibly heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', quantifies the warmth felt when relative humidity is considered. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
Humidity
In September, the average relative humidity in Welch is 73%.Rainfall
In September, the rain falls for 12.6 days. Throughout September, 2.99" (76mm) of precipitation is accumulated. In Welch, Oklahoma, during the entire year, the rain falls for 141.2 days and collects up to 31.14" (791mm) of precipitation.Snowfall
April, June through October are months without snowfall.Daylight
In Welch, Oklahoma, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:51 am and sunset at 7:48 pm. On the last day of September, in Welch, Oklahoma, sunrise is at 7:15 am and sunset at 7:04 pm CDT.
Sunshine
In Welch, the average sunshine in September is 9.2h.UV index
The average daily maximum UV index in September in Welch is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 5 suggests these recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What are the temperatures in Welch in September?
What is the average humidity in September in Welch?
How much does it rain in Welch in September?
When it does not snow in Welch?
What is the average length of the day in September in Welch?
What time are sunrise and sunset in September in Welch?
How many hours of sunshine does Welch have in September?
What is the UV index reading in September in Welch?
Average temperature in September
Welch, OK
- Average high temperature in September: 81.3°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (43.9°F).
- Average low temperature in September: 61.9°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in September
Welch, 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
Welch, OK
- Average wind speed in September: 7.6mph
The windiest months (with the highest average wind speed) are March and April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in September
Welch, OK
- Average humidity in September: 73%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Welch, OK
- Average rainfall in September: 2.99"
The wettest month (with the highest rainfall) is May (5.24").
The driest month (with the least rainfall) is February (1.46").
Average rainfall days in September
Welch, OK
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in September
Welch, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.89").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in September
Welch, 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 and September (0 days).
Average daylight in September /
Average sunshine in September
Welch, OK
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in September
Welch, OK
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is December (21.4 days).
The months with the least sunshine days are April and May (13.6 days).
Average UV index in September
Welch, OK
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Welch, OK
- Average cloud cover in September: 28
The months with the most cloud cover are February and March (Cloud cover 43).
The months with the least cloud cover are June, July and August (Cloud cover 24).
Average visibility in September
Welch, 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).
Welch, Oklahoma, USA
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