September weather forecastFairport, MO
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Fairport, Missouri, with an average temperature fluctuating between 57.6°F (14.2°C) and 77°F (25°C).Temperature
September indicates a minor shift in the average high-temperature, from August's moderately hot 82.4°F (28°C) to a still warm 77°F (25°C). In September, Fairport records an average nighttime temperature of 57.6°F (14.2°C).Humidity
In Fairport, the average relative humidity in September is 76%.Rainfall
In September, the rain falls for 11 days. Throughout September, 2.44" (62mm) of precipitation is accumulated. Throughout the year, there are 130.3 rainfall days, and 25.71" (653mm) of precipitation is accumulated.Snowfall
In Fairport, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:48 pm. On the last day of September, sunrise is at 7:13 am and sunset at 7:00 pm CDT.
Sunshine
The average sunshine in September is 9.3h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fairport, 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: 57.6°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 (18.9°F).
Average pressure in September
Fairport, MO
- Average pressure in September: 30.01"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
Fairport, MO
- Average wind speed in September: 7.4mph
The windiest months (with the highest average wind speed) are February and March (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in September
Fairport, MO
- Average humidity in September: 76%
The month with the highest relative humidity is June (81%).
The months with the lowest relative humidity are October and November (71%).
Average rainfall in September
Fairport, MO
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is June (3.98").
The driest months (with the least rainfall) are January and February (0.91").
Average rainfall days in September
Fairport, MO
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in September
Fairport, MO
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Fairport, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Fairport, 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 18min
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 42min).
Average sunshine days in September
Fairport, MO
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in September
Fairport, MO
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Fairport, MO
- Average cloud cover in September: 29
The months with the most cloud cover are January and March (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in September
Fairport, 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).
