September weather forecastHermitage, MO
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Hermitage, Missouri, with an average temperature varying between 80.2°F (26.8°C) and 60.1°F (15.6°C).Temperature
September is marked by a subtle drop in average high-temperatures, transitioning from a tropical 86.7°F (30.4°C) in August to a warm 80.2°F (26.8°C). Hermitage experiences an average low-temperature reading of 60.1°F (15.6°C) throughout September.Humidity
In Hermitage, the average relative humidity in September is 74%.Rainfall
In Hermitage, in September, it is raining for 11.5 days, with typically 1.97" (50mm) of accumulated precipitation. In Hermitage, Missouri, during the entire year, the rain falls for 141.9 days and collects up to 27.52" (699mm) of precipitation.Snowfall
In Hermitage, Missouri, snow does not fall in May through October.Daylight
In Hermitage, the average length of the day in September is 12h and 25min.On the first day of September in Hermitage, sunrise is at 6:43 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:57 pm CDT.
Sunshine
In September, the average sunshine is 9.5h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Put precautions into practice - Guidance to elude sunburn is provided. Around midday, solar radiation is most harmful; hence, exposure should be limited. During bright days, sunglasses that offer UVA and UVB defense are recommended.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hermitage, MO
- Average high temperature in September: 80.2°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in September: 60.1°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).
Average pressure in September
Hermitage, MO
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Hermitage, MO
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is March (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in September
Hermitage, MO
- Average humidity in September: 74%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Hermitage, MO
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in September
Hermitage, MO
- Average rainfall days in September: 11.5 days
The months with the highest number of rainy days are May and July (16.7 days).
The month with the least rainy days is December (6 days).
Average snowfall in September
Hermitage, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Hermitage, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hermitage, MO
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 9h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Hermitage, MO
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is December (20.7 days).
The month with the least sunshine days is July (11.7 days).
Average UV index in September
Hermitage, 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
Hermitage, MO
- Average cloud cover in September: 29
The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are June and August (Cloud cover 27).
Average visibility in September
Hermitage, 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).
