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
With the beginning of September, the average high-temperature shows a small decrease, transitioning from a hot 91°F (32.8°C) in August to a warm 83.5°F (28.6°C). In Ralston, September's nights observe an average temperature dip to a comfortable 64.2°F (17.9°C).Heat index
The heat index value during September is calculated to be a hot 89.6°F (32°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.Data suggests that the heat index is set for environments in shade and with a light wind. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', gives a temperature feeling by integrating air temperature and humidity. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
In September, the average relative humidity in Ralston is 68%.Rainfall
In September, in Ralston, Oklahoma, the rain falls for 11.8 days. Throughout September, 2.87" (73mm) of precipitation is accumulated. Throughout the year, there are 124.7 rainfall days, and 25.63" (651mm) of precipitation is accumulated.Snowfall
In Ralston, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 6:58 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:11 pm CDT.
Sunshine
In Ralston, the average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September in Ralston is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
How hot is September in Ralston?
What is the average humidity in September in Ralston?
How much does it rain in Ralston in September?
When it does not snow in Ralston?
What is the average length of the day in September in Ralston?
When is the sunrise / sunset in September in Ralston?
How long on average sun shines in September in Ralston?
How high is the UV index in September in Ralston?
Average temperature in September
Ralston, OK
- Average high temperature in September: 83.5°F
The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is January (46.4°F).
- Average low temperature in September: 64.2°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 (30.2°F).
Average pressure in September
Ralston, 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 (29.88"Hg).
Average wind speed in September
Ralston, OK
- Average wind speed in September: 8.3mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).
Average humidity in September
Ralston, OK
- Average humidity in September: 68%
The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are January, August and October (65%).
Average rainfall in September
Ralston, OK
- Average rainfall in September: 2.87"
The wettest month (with the highest rainfall) is May (4.61").
The driest month (with the least rainfall) is December (0.91").
Average rainfall days in September
Ralston, OK
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in September
Ralston, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Ralston, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Ralston, 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: 8h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in September
Ralston, OK
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is May (13.5 days).
Average UV index in September
Ralston, 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
Ralston, OK
- Average cloud cover in September: 26
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Ralston, 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).
Ralston, Oklahoma, USA
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