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
In Washington, the average high-temperature in September slightly decreases from 85.5°F (29.7°C) in August to a still moderately hot 78.4°F (25.8°C). Throughout September, the average low-temperature records at a mild 58.8°F (14.9°C).Humidity
The average relative humidity in September in Washington is 70%.Rainfall
In Washington, in September, it is raining for 12.4 days, with typically 2.13" (54mm) of accumulated precipitation. In Washington, during the entire year, the rain falls for 127.7 days and collects up to 24.92" (633mm) of precipitation.Snowfall
In Washington, snow does not fall in June through September.Daylight
The average length of the day in September in Washington is 12h and 26min.On the first day of the month, sunrise is at 6:56 am and sunset at 7:58 pm. On the last day of September, sunrise is at 7:24 am and sunset at 7:11 pm CDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
In Washington, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 5 in September translates into these instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What is the usual temperature for Washington in September?
What is the average humidity in September in Washington?
How many days does it rain in September in Washington?
When it does not snow in Washington?
Does it snow in Washington in September?
How many hours of daylight does Washington have in September?
What time are sunrise and sunset in September in Washington?
How many hours of sunshine does Washington have in September?
What is the UV index reading in September in Washington?
Average temperature in September
Washington, KS
- Average high temperature in September: 78.4°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in September: 58.8°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in September
Washington, 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 (29.85"Hg).
Average wind speed in September
Washington, KS
- Average wind speed in September: 9mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).
Average humidity in September
Washington, KS
- Average humidity in September: 70%
The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is October (65%).
Average rainfall in September
Washington, KS
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in September
Washington, KS
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in September
Washington, KS
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Washington, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Washington, KS
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in September
Washington, KS
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in September
Washington, KS
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Washington, KS
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are June, July and August (Cloud cover 25).
Average visibility in September
Washington, 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).
Washington, Kansas, USA
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