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
Gilliam, Missouri, records a mild change in average high-temperature during September, easing from 84.4°F (29.1°C) in August to a still warm 78.8°F (26°C). During September, the average low-temperature is a moderate 59.2°F (15.1°C).Humidity
The average relative humidity in September in Gilliam is 74%.Rainfall
In Gilliam, during September, the rain falls for 12.1 days and regularly aggregates up to 2.48" (63mm) of precipitation. In Gilliam, during the entire year, the rain falls for 140.8 days and collects up to 28.78" (731mm) of precipitation.Snowfall
In Gilliam, snow does not fall in June through September.Daylight
In Gilliam, the average length of the day in September is 12h and 26min.On the first day of September in Gilliam, sunrise is at 6:41 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:55 pm CDT.
Sunshine
In Gilliam, the average sunshine in September is 9.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 5 during September leads to these advisories:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What are September temperatures in Gilliam?
What is the average humidity in September in Gilliam?
How many days does it rain in September in Gilliam?
When it does not snow in Gilliam?
Does it snow in Gilliam in September?
How many hours of daylight does Gilliam have in September?
What time are sunrise and sunset in September in Gilliam?
How many hours of sunshine does Gilliam have in September?
What is the UV index reading in September in Gilliam?
Average temperature in September
Gilliam, MO
- Average high temperature in September: 78.8°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in September: 59.2°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in September
Gilliam, MO
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Gilliam, MO
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in September
Gilliam, MO
- Average humidity in September: 74%
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Gilliam, MO
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in September
Gilliam, MO
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is December (6.2 days).
Average snowfall in September
Gilliam, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.7").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Gilliam, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gilliam, MO
- 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 30min).
- Average sunshine in September: 9h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in September
Gilliam, MO
- Average sunshine days in September: 16 days
The month with the most sunshine days is December (20.2 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in September
Gilliam, MO
- Average UV index in September: 5
The months with the highest UV index are 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
Gilliam, MO
- Average cloud cover in September: 28
The months with the most cloud cover are January, February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in September
Gilliam, 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).
Gilliam, Missouri, USA
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