September weather forecastBridgewater, IA
September
Weather in September
The first month of the autumn, September, is still a warm month in Bridgewater, Iowa, with an average temperature ranging between max 74.8°F (23.8°C) and min 55.9°F (13.3°C).Temperature
The onset of September aligns with a soft reduction in the average high-temperature, gently falling from 80.8°F (27.1°C) in August to a still moderately hot 74.8°F (23.8°C). In Bridgewater, an average nighttime temperature of 55.9°F (13.3°C) is expected during September.Humidity
In September, the average relative humidity is 76%.Rainfall
In Bridgewater, in September, during 12.7 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. In Bridgewater, during the entire year, the rain falls for 138.2 days and collects up to 28.23" (717mm) of precipitation.Snowfall
In Bridgewater, snow does not fall in June through September.Daylight
In Bridgewater, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:50 pm. On the last day of September, sunrise is at 7:15 am and sunset at 7:01 pm CDT.
Sunshine
In Bridgewater, the average sunshine in September is 9.3h.UV index
In Bridgewater, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bridgewater, IA
- Average high temperature in September: 74.8°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in September: 55.9°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in September
Bridgewater, IA
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Bridgewater, IA
- Average wind speed in September: 8.3mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in September
Bridgewater, IA
- Average humidity in September: 76%
The months with the highest relative humidity are January, February and June (82%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Bridgewater, IA
- Average rainfall in September: 2.68"
The wettest month (with the highest rainfall) is June (4.49").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in September
Bridgewater, IA
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is June (18.5 days).
The month with the least rainy days is January (4 days).
Average snowfall in September
Bridgewater, IA
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Bridgewater, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bridgewater, IA
- Average daylight in September: 12h and 30min
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: 9h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in September
Bridgewater, IA
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in September
Bridgewater, IA
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Bridgewater, IA
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in September
Bridgewater, IA
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
