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 move into September indicates a slight reduction in the average high-temperature, down from August's hot 89.2°F (31.8°C) to a moderately hot 81.9°F (27.7°C). Throughout September, an average low-temperature of 62.6°F (17°C) is expected in Greenwich.Heat index
During September, the heat index is appraised at a hot 86°F (30°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.It is important to note that the heat index values are for shaded areas and light wind scenarios. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for 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
The average relative humidity in September in Greenwich is 67%.Rainfall
In September, the rain falls for 11.9 days. Throughout September, 1.93" (49mm) of precipitation is accumulated. Throughout the year, in Greenwich, there are 113.6 rainfall days, and 22.24" (565mm) of precipitation is accumulated.Snowfall
In Greenwich, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 25min.On the first day of September in Greenwich, sunrise is at 6:59 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:12 pm CDT.
Sunshine
The average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September in Greenwich is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The UV index of 5 during September translates into the following guidance:
Heed the precautions - Suggestions to avoid sunburn are made. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Greenwich?
What is the average humidity in September in Greenwich?
How much does it rain in Greenwich in September?
When it does not snow in Greenwich?
Does it snow in Greenwich in September?
How many hours of daylight does Greenwich have in September?
When is the sunrise / sunset in September in Greenwich?
How long on average sun shines in September in Greenwich?
How high is the UV index in September in Greenwich?
Average temperature in September
Greenwich, KS
- Average high temperature in September: 81.9°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in September: 62.6°F
The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in September
Greenwich, KS
- 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 (29.86"Hg).
Average wind speed in September
Greenwich, KS
- Average wind speed in September: 9.7mph
The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).
Average humidity in September
Greenwich, KS
- Average humidity in September: 67%
The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is July (62%).
Average rainfall in September
Greenwich, KS
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is December (0.67").
Average rainfall days in September
Greenwich, KS
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in September
Greenwich, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Greenwich, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Greenwich, KS
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in September
Greenwich, KS
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is July (14 days).
Average UV index in September
Greenwich, KS
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Greenwich, KS
- Average cloud cover in September: 25
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Greenwich, KS
- 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).
Greenwich, Kansas, USA
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