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Nīca Weather in September

September in Nīca sees daytime temperatures around 18°C (64°F) and lows of 11°C (52°F) at night. With around 75 mm (3 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Nīca in September

Climate statistics over the past 30 years suggest around 16 days of rain, with 75 mm (3 in) average for the month. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.

Temperature in Nīca in September

Expect highs of 18°C (64°F) in Nīca in September, with nights dropping to around 11°C (52°F). Conditions are often most pleasant around the middle of the day. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Nīca in September

The month brings about 173 hours of sunlight, offering a comfortable mix of sun and overcast.

Wind Speed in Nīca in September

Wind speeds average 5 m/s (10 knots) during September. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.

If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for Nīca.

Nīca Temperature in September

Min Temperature
11°C (52°F)
Max Temperature
18°C (64°F)
Chance of Rain
53%
Precipitation
75 mm (3 in)
Rainy days
16 days
Humidity
76% *
Windspeed
5 m/s (10 knots) *
Sunshine
173 hours *
Percentage Sunshine
47% *
* Data from: Liepāja, Latvia (22 KM, 14 Miles).

Nīca Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Nīca - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Nīca typically drop from around 19°C (66°F) at the start of September to approximately 15°C (59°F) by the end. Nights are cool, with lows typically ranging from 7°C (45°F) to 12°C (54°F).

Average temperatures in September

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

Historical weather records for Nīca in September

Browse day-by-day weather records for Nīca spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Nīca historical weather extremes in September

Based on 50 years of weather observations in Nīca between 1976 and 2026, these are the recorded extremes.

  • The warmest day in September was on September 1, 2019, with a maximum of 29°C (84°F).
  • The coldest September day was on September 30, 1993, with a maximum of 7°C (45°F).
  • Nighttime temperatures dropped to -2°C (28°F) on September 30, 1976, marking the coldest September night on record.
  • The heaviest September precipitation occurred on September 9, 2001, when 48 mm (1.9 in) of precipitation fell.

Best Places in Latvia in September

Find out more about the weather in Latvia and which places have the best travel conditions in this month. See all of Latvia in September →

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).

What to Wear in Nīca in September

For Nīca in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Nīca in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    6/10
  • Cycling
    6/10
  • Walking
    6/10
  • Barbeque
    6/10
  • Camping
    8/10
  • Outdoor sports
    9/10

Nīca 3-Day Forecast

More climate data for Nīca

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.