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
September's onset introduces a mild reduction in the average high-temperature, from a hot 86.7°F (30.4°C) in August to a moderately hot 80.2°F (26.8°C). The average low-temperature, in September, is a mild 60.1°F (15.6°C).Humidity
In September, the average relative humidity is 74%.Rainfall
In Gerster, during September, the rain falls for 11.5 days and regularly aggregates up to 1.97" (50mm) of precipitation. Throughout the year, there are 141.9 rainfall days, and 27.52" (699mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 6:44 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:58 pm CDT.
Sunshine
In September, the average sunshine is 9.5h.UV index
In September, the average daily maximum UV index in Gerster, Missouri, is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Gerster in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Gerster, 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
Gerster, 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
Gerster, 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
Gerster, 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
Gerster, 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
Gerster, 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
Gerster, 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
Gerster, 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
Gerster, MO
- Average daylight in September: 12h and 2min
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 3min
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
Gerster, 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
Gerster, 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
Gerster, 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
Gerster, 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).
Gerster, Missouri, USA
Weather forecast for your location
2. Allow the app to use your location