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 commencement of September, Graham records a moderate temperature decline, with the average high easing from August's 82.6°F (28.1°C) to a still warm 77°F (25°C). Graham cools down to an average low-temperature of 57.7°F (14.3°C) throughout the month of September.Humidity
In Graham, the average relative humidity in September is 75%.Rainfall
In Graham, in September, during 11.6 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. Throughout the year, there are 130.5 rainfall days, and 25.79" (655mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Graham, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:48 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:03 pm CDT.
Sunshine
In Graham, the average sunshine in September is 9.3h.UV index
In Graham, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 5 suggests this advice:
Guard yourself - Avoiding sunburn is suggested. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
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 Graham have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Graham, MO
- Average high temperature in September: 77°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in September: 57.7°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in September
Graham, MO
- 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 (29.88"Hg).
Average wind speed in September
Graham, MO
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in September
Graham, MO
- Average humidity in September: 75%
The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Graham, MO
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is June (4.09").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in September
Graham, MO
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in September
Graham, MO
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.31").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Graham, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Graham, MO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in September
Graham, MO
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (10.6 days).
Average UV index in September
Graham, MO
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Graham, MO
- Average cloud cover in September: 29
The months with the most cloud cover are January and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Graham, MO
- 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).
Graham, Missouri, USA
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