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
The onset of September aligns with a soft reduction in the average high-temperature, gently falling from 85.1°F (29.5°C) in August to a still warm 79.7°F (26.5°C). Throughout September, the average low-temperature in Hatfield records at a refreshing 60.4°F (15.8°C).Humidity
In Hatfield, the average relative humidity in September is 74%.Rainfall
September is the month with the least rainfall. Rain falls for 11.8 days and accumulates 1.46" (37mm) of precipitation.Snowfall
In Hatfield, snow does not fall in May through October.Daylight
In Hatfield, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:17 pm. On the last day of September, in Hatfield, sunrise is at 6:44 am and sunset at 6:32 pm CDT.
Sunshine
In Hatfield, the average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September is 5. 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: The maximum UV index of 5 during September translates into these guidelines:
Undertake protective steps - Recommendations to avoid sunburn are issued. To guard against the harmful effects of the Sun, minimize exposure during midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Frequently asked questions
What are September temperatures in Hatfield?
What is the average humidity in September in Hatfield?
What is the driest month in Hatfield?
How much does it rain in Hatfield in September?
When it does not snow in Hatfield?
How many hours of daylight does Hatfield have in September?
When are sunrise and sunset in September in Hatfield?
How many hours of sunshine does Hatfield have in September?
What is the UV index intensity in September in Hatfield?
Average temperature in September
Hatfield, IN
- Average high temperature in September: 79.7°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in September: 60.4°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in September
Hatfield, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Hatfield, IN
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is February (8.8mph).
The calmest month (with the lowest average wind speed) is July (5.3mph).
Average humidity in September
Hatfield, IN
- Average humidity in September: 74%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Hatfield, IN
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is April (3.94").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in September
Hatfield, IN
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is May (17.6 days).
The months with the least rainy days are October and November (9.5 days).
Average snowfall in September
Hatfield, IN
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Hatfield, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.8 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
Hatfield, IN
- 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: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
Hatfield, IN
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in September
Hatfield, IN
- 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 and December (UV index 2).
Average cloud cover in September
Hatfield, IN
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Hatfield, IN
- 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).
Hatfield, Indiana, USA
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