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Hourly Forecast
Daylight Hours
07:21
Sunrise
19:28
Sunset
Moon
Waxing Crescent
12:30
Moonrise
22:17
Moonset
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Weather in Harlingen today, September 16, 2026
Harlingen starts September 16, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds. Cloud leads the morning, peaking close to 97% near 10:00. Sunshine has little room until later in the day.
Temperatures climb from an overnight low near 25°C toward a daytime high of about 35°C. Expect humidity between 45% and 95%, most humid near 07:00. Expect gentle winds, highest near 16:00 at 7.3 km/h.
Expect persistent cloud later on, with amounts around 76% by 12:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 15.7 km on average, though it can drop toward 13.6 km in thicker cloud or showers. Daylight runs from 07:21 to 19:28, lasting 12 hours 7 minutes of sunlight today.
Taken together, settled sunshine in Harlingen on September 16, 2026 makes outdoor timing easier, with highs near 35°C.
Frequently asked questions about weather in Harlingen
How warm does it get in Harlingen?
The warmest month in Harlingen is August, with average high temperatures of 36°C. The average temperature during this period is around 30°C.
How cold does it get in Harlingen?
The coldest month in Harlingen is January, with average low temperatures of 12°C. The average temperature during this period is around 16°C.
What is the wettest time of year in Harlingen?
The wettest month in Harlingen is September, with an average of 100mm of precipitation.
What is the driest time of year in Harlingen?
The driest month in Harlingen is February, with an average of 18mm of precipitation.
