When to go · Harlingen
Harlingen in September
Avoid month. Listed as a month to avoid: Jun–Sep (hot, humid, higher rain risk).
Key facts
- Verdict
- Avoid
- Temperature
- 35°C (95°F)95°F (35°C) / 24°C (75°F)75°F (24°C)
- average high / low
- Rain days
- 6
- Crowds
- Medium
- United States overall
- Prices
- Medium
- United States overall
Verdict
Listed as a month to avoid: Jun–Sep (hot, humid, higher rain risk).
Is another month better than September?
September is rated avoid. These months rate higher:
- OctoberGreatInside Harlingen's best window: Oct–Apr (mild temps, fewer rain days).
- NovemberGreatInside Harlingen's best window: Oct–Apr (mild temps, fewer rain days).
- DecemberGreatInside Harlingen's best window: Oct–Apr (mild temps, fewer rain days).
- JanuaryGreatInside Harlingen's best window: Oct–Apr (mild temps, fewer rain days).
Weather in September
- HarlingenHighs around 35 °C (95 °F), lows around 24 °C (75 °F), rain on about 6 daysHighs around 95 °F (35 °C), lows around 75 °F (24 °C), rain on about 6 days
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Labor Day big impact
1st Monday of September · United States
End of summer; last big road-trip weekend.
Crowds and prices
- Crowds · United States overall
- Medium
- Prices · United States overall
- Medium
United States overall: After Labor Day the crowds drop and parks stay open; Florida and the Gulf are at hurricane peak.
Compare two months
Weather, crowds and prices for any two months in Harlingen, side by side.
Verdict
Sep: Avoid
Jan: Great (better)
Daytime high
Sep: 35 °C (95 °F)95 °F (35 °C)
Jan: 20 °C (68 °F)68 °F (20 °C)
Night low
Sep: 24 °C (75 °F)75 °F (24 °C)
Jan: 7 °C (45 °F)45 °F (7 °C)
Rain days
Sep: 6
Jan: 6
Crowds
Sep: Medium
Jan: Low
Prices
Sep: Medium
Jan: Low
Festivals listed
Sep: 1
Jan: 0
September: Listed as a month to avoid: Jun–Sep (hot, humid, higher rain risk).
January: Inside Harlingen's best window: Oct–Apr (mild temps, fewer rain days).
Harlingen: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen