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 91.9°F (33.3°C) to a warm 84.6°F (29.2°C). September's nights in Hanna observe an average temperature of 64.6°F (18.1°C).Heat index
September's heat index is evaluated at a hot 91.4°F (33°C). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.Know that the heat index computations account for shaded terrains and slight winds. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Humidity
In Hanna, the average relative humidity in September is 69%.Rainfall
In Hanna, in September, it is raining for 12.3 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, in Hanna, there are 132.2 rainfall days, and 29.49" (749mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Hanna.Daylight
In September, the average length of the day in Hanna is 12h and 23min.On the first day of September, sunrise is at 6:56 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:08 pm CDT.
Sunshine
In September, the average sunshine in Hanna is 8.7h.UV index
In Hanna, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Guard yourself - Avoiding sunburn is suggested. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Frequently asked questions
How hot is September in Hanna?
What is the average humidity in September in Hanna?
How much does it rain in Hanna in September?
When it does not snow in Hanna?
What is the average length of the day in September in Hanna?
When is the sunrise / sunset in September in Hanna?
How many hours of sunshine does Hanna have in September?
What is the UV index reading in September in Hanna?
Average temperature in September
Hanna, OK
- Average high temperature in September: 84.6°F
The warmest month (with the highest average high temperature) is August (91.9°F).
The month with the lowest average high temperature is January (48°F).
- Average low temperature in September: 64.6°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 (32.2°F).
Average pressure in September
Hanna, 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 (29.9"Hg).
Average wind speed in September
Hanna, OK
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is March (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in September
Hanna, OK
- Average humidity in September: 69%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Hanna, OK
- Average rainfall in September: 2.6"
The wettest month (with the highest rainfall) is May (4.84").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days in September
Hanna, OK
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in September
Hanna, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Hanna, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hanna, 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: 8h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in September
Hanna, OK
- Average sunshine days in September: 16 days
The month with the most sunshine days is January (21.8 days).
The months with the least sunshine days are April and May (14.4 days).
Average UV index in September
Hanna, 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
Hanna, OK
- Average cloud cover in September: 28
The months with the most cloud cover are February and March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in September
Hanna, 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).
Hanna, Oklahoma, USA
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