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 arrival of September coincides with an average high-temperature of a still warm 74.7°F (23.7°C), indicating a minimal shift from August's 79.3°F (26.3°C). The average temperature during September nights is registered at a refreshing 56.7°F (13.7°C).Humidity
In September, the average relative humidity is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 9.2 days and accumulates 0.47" (12mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day in Dublin is 12h and 26min.On the first day of the month, sunrise is at 7:09 am and sunset at 8:11 pm. On the last day of September, sunrise is at 7:36 am and sunset at 7:24 pm EDT.
Sunshine
In Dublin, the average sunshine in September is 8.2h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 4 during September translates into the following recommendations:
Take precautions - Protection against sun damage is advised. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Dublin have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Dublin have in September?
What is the UV index reading in September?
Average temperature in September
Dublin, IN
- Average high temperature in September: 74.7°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
Dublin, IN
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Dublin, IN
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in September
Dublin, IN
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Dublin, IN
- Average rainfall in September: 0.47"
The wettest month (with the highest rainfall) is May (1.1").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in September
Dublin, IN
- Average rainfall days in September: 9.2 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in September
Dublin, IN
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.55").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Dublin, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.3 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
Dublin, 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 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Dublin, IN
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is May (13.1 days).
Average UV index in September
Dublin, IN
- 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 December (UV index 1).
Average cloud cover in September
Dublin, IN
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Dublin, IN
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are July, August and September (5mi).
Dublin, Indiana, USA
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