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 commencement of September indicates a gentle shift in the average high-temperature, receding from August's hot 89.2°F (31.8°C) to a moderately hot 82.2°F (27.9°C). Throughout the nights in September, an average low-temperature of 61.3°F (16.3°C) is noted in Boise City.Heat index
The heat index for September is appraised at 82.4°F (28°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.Note that heat index values are valued for light wind and location in the shade. 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 'felt air temperature' or 'feels like', is a numerical representation of warmth when taking temperature and moisture levels into account. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Humidity
In Boise City, the average relative humidity in September is 49%.Rainfall
In September, in Boise City, the rain falls for 9.4 days. Throughout September, 0.94" (24mm) of precipitation is accumulated. In Boise City, during the entire year, the rain falls for 87 days and collects up to 12.32" (313mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 24min.On the first day of September in Boise City, sunrise is at 7:21 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 7:34 pm CDT.
Sunshine
The average sunshine in September is 9.5h.UV index
In Boise City, Oklahoma, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 5 in September transforms into this advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. It's recommended to limit sun exposure when its radiation is at its peak during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
What is the temperature in September in Boise City?
What is the average humidity in September in Boise City?
How much does it rain in Boise City in September?
When it does not snow in Boise City?
Does it snow in Boise City in September?
What is the average length of the day in September in Boise City?
What time are sunrise and sunset in September in Boise City?
How long on average sun shines in September in Boise City?
What is the UV index reading in September in Boise City?
Average temperature in September
Boise City, 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
Boise City, 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
Boise City, 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
Boise City, 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
Boise City, 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
Boise City, 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
Boise City, 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
Boise City, 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
Boise City, 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 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
Boise City, 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
Boise City, 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
Boise City, 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
Boise City, 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).
Boise City, Oklahoma, USA
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