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
The transition into September subtly indicates a reduction in the average high-temperature, down to a warm 82.2°F (27.9°C) from August's hot 89.2°F (31.8°C). Throughout September, Castaneda's nights cool down to an average of 61.3°F (16.3°C).Heat index
In September, the heat index is computed to be 82.4°F (28°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.It is essential to grasp that the heat index's numbers are for shade and light wind settings. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. 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 September, the average relative humidity is 49%.Rainfall
In Castaneda, during September, the rain falls for 9.4 days and regularly aggregates up to 0.94" (24mm) of precipitation. Throughout the year, there are 87 rainfall days, and 12.32" (313mm) of precipitation is accumulated.Snowfall
In Castaneda, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 24min.On the first day of September, sunrise is at 7:21 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 7:34 pm CDT.
Sunshine
In Castaneda, the average sunshine in September is 9.5h.UV index
In Castaneda, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 5 during September leads to these instructions:
Adopt protective measures - It is advised to guard against sun damage. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Castaneda have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Castaneda, OK
- Average high temperature in September: 82.2°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is December (46.6°F).
- Average low temperature in September: 61.3°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is December (28.2°F).
Average pressure in September
Castaneda, OK
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).
Average wind speed in September
Castaneda, OK
- Average wind speed in September: 12.1mph
The windiest month (with the highest average wind speed) is April (13.4mph).
The calmest months (with the lowest average wind speed) are January and August (10.6mph).
Average humidity in September
Castaneda, OK
- Average humidity in September: 49%
The month with the highest relative humidity is December (55%).
The month with the lowest relative humidity is June (41%).
Average rainfall in September
Castaneda, OK
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is July (2.44").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in September
Castaneda, OK
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is January (1.8 days).
Average snowfall in September
Castaneda, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.3").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Castaneda, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Castaneda, 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 3min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Castaneda, OK
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is December (26.5 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in September
Castaneda, OK
- Average UV index in September: 5
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
Castaneda, OK
- Average cloud cover in September: 17
The month with the most cloud cover is February (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 15).
Average visibility in September
Castaneda, 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).
Castaneda, Oklahoma, USA
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