September weather forecastFostoria, KS
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Fostoria, Kansas, with temperature in the range of an average low of 59.7°F (15.4°C) and an average high of 79°F (26.1°C).Temperature
September's onset corresponds with a subtle shift in the average high-temperature, slightly moving from 85.8°F (29.9°C) in August to a still moderately hot 79°F (26.1°C). An average minimum temperature of 59.7°F (15.4°C) marks the month of September.Humidity
The average relative humidity in September in Fostoria, Kansas, is 71%.Rainfall
In September, the rain falls for 12.5 days. Throughout September, 2.2" (56mm) of precipitation is accumulated. Throughout the year, there are 123.7 rainfall days, and 24.37" (619mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day in Fostoria is 12h and 26min.On the first day of the month, sunrise is at 6:55 am and sunset at 7:56 pm. On the last day of September, in Fostoria, Kansas, sunrise is at 7:21 am and sunset at 7:09 pm CDT.
Sunshine
In Fostoria, the average sunshine in September is 9h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fostoria, KS
- Average high temperature in September: 79°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in September: 59.7°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 (22.5°F).
Average pressure in September
Fostoria, KS
- Average pressure in September: 29.99"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
Fostoria, KS
- Average wind speed in September: 8.9mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest months (with the lowest average wind speed) are July and August (7.9mph).
Average humidity in September
Fostoria, KS
- Average humidity in September: 71%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is October (65%).
Average rainfall in September
Fostoria, KS
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is May (4.06").
The driest months (with the least rainfall) are January and February (0.71").
Average rainfall days in September
Fostoria, KS
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (4 days).
Average snowfall in September
Fostoria, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Fostoria, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (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
Fostoria, KS
- Average daylight in September: 12h and 24min
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: 9h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in September
Fostoria, KS
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is January (23 days).
The month with the least sunshine days is May (13 days).
Average UV index in September
Fostoria, 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
Fostoria, KS
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 42).
The months with the least cloud cover are June, July and August (Cloud cover 24).
Average visibility in September
Fostoria, 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).





