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
As September unfolds, the average high-temperature reaches a still warm 75.2°F (24°C), hinting at a slight fluctuation from the previous month. Martinton, in September, observes a steady average low-temperature of 57°F (13.9°C).Humidity
In Martinton, the average relative humidity in September is 78%.Rainfall
In September, in Martinton, Illinois, the rain falls for 10.7 days. Throughout September, 1.18" (30mm) of precipitation is accumulated. Throughout the year, there are 136.7 rainfall days, and 19.72" (501mm) of precipitation is accumulated.Snowfall
In Martinton, snow does not fall in May through October.Daylight
The average length of the day in September in Martinton is 12h and 27min.On the first day of the month, sunrise is at 6:18 am and sunset at 7:22 pm. On the last day of September, in Martinton, sunrise is at 6:47 am and sunset at 6:34 pm CDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. Around midday, solar radiation is most harmful; hence, exposure should be limited. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What are the temperatures in Martinton in September?
What is the average humidity in September in Martinton?
How many days does it rain in September in Martinton?
When it does not snow in Martinton?
What is the average length of the day in September in Martinton?
When are sunrise and sunset in September in Martinton?
How many hours of sunshine does Martinton have in September?
What is the UV index reading in September in Martinton?
Average temperature in September
Martinton, IL
- Average high temperature in September: 75.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in September: 57°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in September
Martinton, IL
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Martinton, IL
- Average wind speed in September: 7.2mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in September
Martinton, IL
- Average humidity in September: 78%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Martinton, IL
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in September
Martinton, IL
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in September
Martinton, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Martinton, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Martinton, IL
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Martinton, IL
- Average sunshine days in September: 17 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in September
Martinton, IL
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Martinton, IL
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in September
Martinton, IL
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Martinton, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location
