Offaly Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Offaly, Ireland in September.

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Birr Tullamore Banagher Kinnitty

Are you planning a trip a to Offaly, Ireland in September and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Offaly in September

Offaly, Ireland is a region in Ireland. September in Offaly generally has mild temperatures, with moderate precipitation.

Temperatures

You can expect mild maximum daytime temperatures of around 18°C (64°F) and nighttime temperatures around 10°C (50°F) in Birr.

For specific regional insights in Offaly, Ireland, refer to the map provided below.

Precipitation

September is a moderate rainy month with an average rainfall of around 77 mm (3 in) in Birr.

Average sunshine

Sunshine amounts are decent in most places. Birr gets approximately 116 hours of sunlight in September, offering a reasonable amount of both bright and cloudy periods. Curious about sunnier destinations? Our weather planner makes it easy to find places worldwide with pleasant weather.

Explore Offaly by month

Pick a month to see the average temperature, rainfall and sunshine in Offaly - and find the best time to visit. (based on Birr)

January9°C (48°F) February10°C (50°F) March11°C (52°F) April13°C (55°F) May16°C (61°F) June19°C (66°F) This monthJuly20°C (68°F) August20°C (68°F) September18°C (64°F) October14°C (57°F) November11°C (52°F) December9°C (48°F)
Best Time to Visit Offaly →

Best Places to Visit in Offaly in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Offaly.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Offaly

What is the weather like in September for some of the most popular destinations in Offaly, Ireland?

Temperature range in Offaly (September)

Precipitation variation in Offaly (September)

Birr

In September Birr generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are very good that month.

« August
September
October »
August
September
October
Max temperature
20°C (68°F)
18°C (64°F)
14°C (57°F)
Min temperature
12°C (54°F)
10°C (50°F)
7°C (45°F)
Monthly sun hours
142 hours
116 hours
87 hours
Monthly rainfall
88 mm (3.5 in)
77 mm (3 in)
86 mm (3.4 in)
Monthly rainy days
18 days
17 days
19 days
Weather conditions
excellent
very good
good
Climate in Birr →

Tullamore

In September Tullamore generally has pleasant temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are very good that month.

« August
September
October »
August
September
October
Max temperature
20°C (68°F)
18°C (64°F)
15°C (59°F)
Min temperature
12°C (54°F)
10°C (50°F)
7°C (45°F)
Monthly rainfall
89 mm (3.5 in)
76 mm (3 in)
83 mm (3.3 in)
Monthly rainy days
18 days
17 days
19 days
Weather conditions
excellent
very good
good
Climate in Tullamore →

Banagher

In September Banagher generally has pleasant temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are very good that month.

« August
September
October »
August
September
October
Max temperature
20°C (68°F)
18°C (64°F)
15°C (59°F)
Min temperature
12°C (54°F)
10°C (50°F)
8°C (46°F)
Monthly sun hours
142 hours
116 hours
87 hours
Monthly rainfall
87 mm (3.4 in)
75 mm (3 in)
84 mm (3.3 in)
Monthly rainy days
19 days
18 days
19 days
Weather conditions
excellent
very good
good
Climate in Banagher →

Kinnitty

In September Kinnitty generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are very good that month.

« August
September
October »
August
September
October
Max temperature
20°C (68°F)
18°C (64°F)
14°C (57°F)
Min temperature
12°C (54°F)
10°C (50°F)
7°C (45°F)
Monthly rainfall
90 mm (3.5 in)
78 mm (3.1 in)
86 mm (3.4 in)
Monthly rainy days
18 days
17 days
19 days
Weather conditions
excellent
very good
good
Climate in Kinnitty →

Clonmacnoise

In September Clonmacnoise generally has pleasant temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are very good that month.

« August
September
October »
August
September
October
Max temperature
20°C (68°F)
18°C (64°F)
15°C (59°F)
Min temperature
12°C (54°F)
10°C (50°F)
8°C (46°F)
Monthly rainfall
90 mm (3.5 in)
76 mm (3 in)
86 mm (3.4 in)
Monthly rainy days
19 days
18 days
20 days
Weather conditions
excellent
very good
good
Climate in Clonmacnoise →

Is your destination not in the list? Have a look at all destinations in Offaly, in Ireland.

Popular cities in September

Day & night temperatures, rainfall and average weather in Offaly in September.

City Weather Day temp Night temp Rainfall
Birr 18°C (64°F) 10°C (50°F) 77 mm (3 in)
Tullamore 18°C (64°F) 10°C (50°F) 76 mm (3 in)
Banagher 18°C (64°F) 10°C (50°F) 75 mm (3 in)
Kinnitty 18°C (64°F) 10°C (50°F) 78 mm (3.1 in)
Clonmacnoise 18°C (64°F) 10°C (50°F) 76 mm (3 in)

Offaly weather in September: frequently asked questions

What is the weather like in Offaly, Ireland in September?

Offaly, Ireland typically experiences very good weather in September, part of the season. Daytime highs in Birr average around 18°C (64°F), and temperatures drop to about 10°C (50°F) at night.

What is the average temperature in Offaly, Ireland in September?

Birr averages a daytime maximum of 18°C (64°F) in September, with overnight lows close to 10°C (50°F).

Does Offaly, Ireland get a lot of rain in September?

Not particularly. Birr averages just 77 mm (3 in) of rain in September, making it a mostly dry month for Offaly, Ireland.

Is September a Good Time to Visit Offaly, Ireland?

In our opinion, September is a good time to visit Offaly, Ireland with overall very good weather in Birr. It's worth noting that weather conditions might differ depending on the location you visit.

On average, the best time to visit Offaly, Ireland is in July and August with generally excellent weather in Birr. In contrast, January, February and December tend to have less favorable weather conditions.

Interested in more climate information?

We have much more information about the climate in Offaly.

Weather and climate has detailed information for every country in the world. Are you going to Ireland? Get detailed historical weather averages for many cities in Ireland.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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