September weather forecastFortescue, MO
September
Weather in September
September, the first month of the autumn in Fortescue, is also a moderately hot month, with an average temperature fluctuating between 78.3°F (25.7°C) and 58.3°F (14.6°C).Temperature
Fortescue's progression into September involves a gentle drop in the average high-temperature, from 84.2°F (29°C) in August to a still moderately hot 78.3°F (25.7°C). In September, Fortescue experiences a temperature dip to an average of 58.3°F (14.6°C) at night.Humidity
In Fortescue, Missouri, the average relative humidity in September is 72%.Rainfall
In Fortescue, in September, it is raining for 11.7 days, with typically 1.77" (45mm) of accumulated precipitation. Throughout the year, in Fortescue, there are 120.1 rainfall days, and 22.8" (579mm) of precipitation is accumulated.Snowfall
In Fortescue, snow does not fall in May through September.Daylight
In September, the average length of the day in Fortescue is 12h and 26min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:52 pm. On the last day of September, sunrise is at 7:17 am and sunset at 7:04 pm CDT.
Sunshine
In Fortescue, the average sunshine in September is 9.1h.UV index
The average daily maximum UV index in September in Fortescue is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fortescue, MO
- Average high temperature in September: 78.3°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in September: 58.3°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in September
Fortescue, MO
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Fortescue, MO
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in September
Fortescue, MO
- Average humidity in September: 72%
The months with the highest relative humidity are January, June, July and August (76%).
The month with the lowest relative humidity is October (66%).
Average rainfall in September
Fortescue, MO
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in September
Fortescue, MO
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (3.7 days).
Average snowfall in September
Fortescue, MO
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.52").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Fortescue, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.2 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
Fortescue, MO
- Average daylight in September: 12h and 24min
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 6min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in September
Fortescue, MO
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is December (22.2 days).
The month with the least sunshine days is May (12 days).
Average UV index in September
Fortescue, MO
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Fortescue, MO
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility in September
Fortescue, 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).
