Daytime highs, nighttime lows and the warmest cities in Londonderry County, the United Kingdom this September.
Londonderry County, the United Kingdom, a region in the United Kingdom, typically experiences mild weather in September, with maximum daytime temperatures around 17°C (63°F) and nighttime temperatures around 10°C (50°F) in Londonderry.
To get a sense of September's typical temperatures in the key spots of Londonderry County, explore the map below. Click on a point for an in-depth look.
Check the conditions for any month of the year.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Londonderry County.
Marker color shows the average daytime high temperature in September: blue is cold, red is hot.
Expect daytime temperatures around 17°C (63°F) in Londonderry. That makes September a moderate month for Londonderry County, the United Kingdom.
Londonderry sees nighttime lows close to 10°C (50°F) in September.
Londonderry enjoys a balanced 118 hours of sunlight. This makes it neither too overcast nor too sunny.
We have much more information about the climate in Londonderry County.
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