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
Neff's September weather shows a modest shift in high-temperatures, falling from August's hot 92.5°F (33.6°C) to a warm 85.3°F (29.6°C). Despite the stark contrast with daytime temperatures, Neff's September nights average at an enjoyable 63.5°F (17.5°C).Heat index
For most parts of September, the heat index is appraised at a hot 93.2°F (34°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.It is emphasized that the heat index's values are meant for shaded zones with mild winds. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
In Neff, Oklahoma, the average relative humidity in September is 70%.Rainfall
In September, in Neff, the rain falls for 8.4 days. Throughout September, 0.71" (18mm) of precipitation is accumulated. Throughout the year, there are 96.7 rainfall days, and 10" (254mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall in Neff, Oklahoma.Daylight
In Neff, the average length of the day in September is 12h and 23min.On the first day of September in Neff, sunrise is at 6:51 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 7:03 pm CDT.
Sunshine
In September, the average sunshine in Neff, Oklahoma, is 9.4h.UV index
The average daily maximum UV index in September in Neff is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 6 in September translates into the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
How hot is it in Neff in September?
What is the average humidity in September in Neff?
How many days does it rain in September in Neff?
When it does not snow in Neff?
What is the average length of the day in September in Neff?
When are sunrise and sunset in September in Neff?
How many hours of sunshine does Neff have in September?
What is the UV index reading in September in Neff?
Average temperature in September
Neff, OK
- Average high temperature in September: 85.3°F
The warmest month (with the highest average high temperature) is July (93.4°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in September: 63.5°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (32°F).
Average pressure in September
Neff, OK
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Neff, OK
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Neff, OK
- Average humidity in September: 70%
The months with the highest relative humidity are February, March and May (76%).
The months with the lowest relative humidity are July and August (69%).
Average rainfall in September
Neff, OK
- Average rainfall in September: 0.71"
The wettest month (with the highest rainfall) is August (1.34").
The driest month (with the least rainfall) is November (0.51").
Average rainfall days in September
Neff, OK
- Average rainfall days in September: 8.4 days
The month with the highest number of rainy days is July (10.8 days).
The month with the least rainy days is December (5.7 days).
Average snowfall in September
Neff, OK
- Average snowfall in September: 0"
The month with the highest snowfall is March (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Neff, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Neff, OK
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in September
Neff, OK
- Average sunshine days in September: 19.8 days
The months with the most sunshine days are January and December (23.5 days).
The month with the least sunshine days is August (16.9 days).
Average UV index in September
Neff, OK
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Neff, OK
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Neff, OK
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Neff, Oklahoma, USA
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