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
A subtle change in temperatures is noted as August gives way to September, with average highs reducing from 81.7°F (27.6°C) to a still warm 75.9°F (24.4°C). An average low-temperature of 57.9°F (14.4°C) is noted in Joppa during the month of September.Humidity
The average relative humidity in September in Joppa is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 13.5 days and accumulates 2.2" (56mm) of precipitation.Snowfall
In Joppa, snow does not fall in May through September.Daylight
In Joppa, Indiana, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 7:14 am and sunset at 8:16 pm. On the last day of September, sunrise is at 7:41 am and sunset at 7:29 pm EDT.
Sunshine
In Joppa, the average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Put precautions into practice - Guidance to elude sunburn is provided. When the Sun is at its strongest around midday, find shade and limit exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
What is the temperature in September in Joppa?
What is the average humidity in September in Joppa?
What is the driest month in Joppa?
How many days does it rain in September in Joppa?
When it does not snow in Joppa?
Does it snow in Joppa in September?
What is the average length of the day in September in Joppa?
When are sunrise and sunset in September in Joppa?
How long on average sun shines in September in Joppa?
What is the UV index intensity in September in Joppa?
Average temperature in September
Joppa, IN
- Average high temperature in September: 75.9°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in September: 57.9°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in September
Joppa, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Joppa, IN
- Average wind speed in September: 6.4mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in September
Joppa, IN
- Average humidity in September: 78%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Joppa, IN
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in September
Joppa, IN
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in September
Joppa, IN
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.35").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Joppa, IN
- 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 May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Joppa, IN
- Average daylight in September: 12h and 2min
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: 8h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Joppa, IN
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is October (16.6 days).
The month with the least sunshine days is May (8.4 days).
Average UV index in September
Joppa, IN
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Joppa, IN
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Joppa, IN
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, July and December (5mi).
Joppa, Indiana, USA
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